{"title":"Resistor Lebanon","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003eResistors to limit or regulate the flow of electrical current in an electronic circuit\u003c\/p\u003e\n\u003cp\u003eLebanon\u003c\/p\u003e","products":[{"product_id":"resistor-0-5w-1","title":"Resistor 0.5W 1 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 1 ohm\u003c\/strong\u003e is a low-value through-hole fixed resistor with a resistance of 1 Ω and a power rating of 0.5 W, sold in a pack of 5. Its main use is current sensing: the voltage across a 1 Ω resistor equals the current through it, 1 mV for every 1 mA, so you can measure current with a multimeter or a microcontroller's analog input.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 1 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 1 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum current at 0.5 W:\u003c\/strong\u003e about 0.7 A (I = √(P \/ R))\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 1 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent sense (shunt) resistor for measuring load current\u003c\/li\u003e\n\u003cli\u003eMeasuring LED and motor current in test circuits\u003c\/li\u003e\n\u003cli\u003eCurrent limiting in low-voltage power circuits\u003c\/li\u003e\n\u003cli\u003eSense resistor for simple constant-current LED drivers\u003c\/li\u003e\n\u003cli\u003eOhm's law experiments in electronics labs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 1 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity. Watch the power: P = I² × R, so at 0.5 A a 1 Ω resistor already dissipates 0.25 W and at about 0.7 A it reaches its 0.5 W limit; keep the current lower for cool, accurate readings.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41548576555142,"sku":"10250013","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544.jpg?v=1745909565"},{"product_id":"resistor-0-5w-1-1","title":"Resistor 0.5W 1.1 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 1.1 ohm\u003c\/strong\u003e is a low-ohm through-hole fixed resistor with a resistance of 1.1 Ω and a power rating of 0.5 W, sold in a pack of 5. It is one of the lowest values in the range and is used mainly for current sensing and for limiting current in circuits that carry several hundred milliamps.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 1.1 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 1.1 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum current at 0.5 W:\u003c\/strong\u003e about 674 mA (P = I² × R)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e standard E24 value\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 1.1 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent sensing for power monitors, chargers and small motor drivers\u003c\/li\u003e\n\u003cli\u003eSeries resistors for power LEDs\u003c\/li\u003e\n\u003cli\u003eLow-drop current limiting in battery-powered circuits\u003c\/li\u003e\n\u003cli\u003eReplacement resistor in electronic repairs\u003c\/li\u003e\n\u003cli\u003ePrototyping and testing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 1.1 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity. With 1.1 Ω, 0.5 A gives a 0.55 V drop and 0.275 W of heat; the 0.5 W limit is reached at about 674 mA, so choose a larger resistor for higher currents.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509104025734,"sku":"10250020","price":0.1,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_04015a1a-4678-4828-ae37-4cad0ef8744c.jpg?v=1745908975"},{"product_id":"resistor-0-5w-1-2","title":"Resistor 0.5W 1.2 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 1.2 ohm\u003c\/strong\u003e is a very low-value through-hole resistor with a resistance of 1.2 Ω and a power rating of 0.5 W, sold in a pack of 5. Values this small are chosen when a resistor sits directly in the current path, for example as a current-sense shunt in chargers and LED drivers, where the small voltage drop across it tells the circuit how much current is flowing.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 1.2 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 1.2 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent at full power:\u003c\/strong\u003e about 0.65 A (I = √(P \/ R))\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 1.2 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent-sense shunts in battery chargers and LED driver circuits\u003c\/li\u003e\n\u003cli\u003eMeasuring current with an op-amp or microcontroller ADC\u003c\/li\u003e\n\u003cli\u003eSmall series resistors in low-voltage power lines\u003c\/li\u003e\n\u003cli\u003eReplacement parts for power supply and charger repairs\u003c\/li\u003e\n\u003cli\u003eElectronics labs and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 1.2 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e A 1.2 Ω resistor reaches 0.5 W at only about 0.8 V across it, or about 0.65 A through it. Check P = I² × R before use; as a current shunt, 0.5 A through it gives a 0.6 V drop and 0.3 W of heat, which is within its rating.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509125914758,"sku":"10250037","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_29f6dd04-6b95-4b2a-95d6-bd7dab0d6006.jpg?v=1745909565"},{"product_id":"resistor-0-5w-1-3","title":"Resistor 0.5W 1.3 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 1.3 ohm\u003c\/strong\u003e is a through-hole fixed resistor with a resistance of 1.3 Ω and a power rating of 0.5 W, sold in a pack of 5. This standard E24 low value keeps the voltage drop small even at a few hundred milliamps, so it suits current measurement and current limiting in low-voltage circuits.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 1.3 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 1.3 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum current at 0.5 W:\u003c\/strong\u003e about 620 mA (P = I² × R)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e standard E24 value\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 1.3 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent-sense resistor for measuring load current\u003c\/li\u003e\n\u003cli\u003eLED driver and LED current limiting circuits\u003c\/li\u003e\n\u003cli\u003eSeries resistors in battery and USB-powered projects\u003c\/li\u003e\n\u003cli\u003eReplacement resistor for electronic repairs\u003c\/li\u003e\n\u003cli\u003ePrototyping and test benches\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 1.3 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e To work out current, divide the voltage across the resistor by 1.3: 0.13 V means 100 mA. The 0.5 W limit is reached at about 620 mA (about 0.8 V across it), so keep well below that.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509104156806,"sku":"10250044","price":0.1,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_3da7b492-754c-410b-b7cc-35cb87e8a606.jpg?v=1745908974"},{"product_id":"resistor-0-5w-1-5","title":"Resistor 0.5W 1.5 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 1.5 ohm\u003c\/strong\u003e is a low-ohm through-hole fixed resistor with a resistance of 1.5 Ω and a power rating of 0.5 W, sold in a pack of 5. 1.5 Ω is a common E6 value for current-sense, protection and LED driver circuits that carry up to about half an amp.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 1.5 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 1.5 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum current at 0.5 W:\u003c\/strong\u003e about 577 mA (P = I² × R)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e standard E6 value\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 1.5 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent sensing in chargers and power circuits\u003c\/li\u003e\n\u003cli\u003eCurrent limiting for power LEDs\u003c\/li\u003e\n\u003cli\u003eEmitter resistors in transistor amplifier stages\u003c\/li\u003e\n\u003cli\u003eSeries protection in small power supplies\u003c\/li\u003e\n\u003cli\u003eElectronics repair and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 1.5 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity. With 1.5 Ω, a 200 mA current drops 0.3 V and makes 0.06 W of heat; the 0.5 W limit is reached at about 577 mA, so pick a larger resistor for heavier loads.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509104287878,"sku":"10250051","price":0.1,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_afc96c4f-6654-4af2-902a-0b1a609567f3.jpg?v=1745908973"},{"product_id":"resistor-0-5w-1-6","title":"Resistor 0.5W 1.6 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 1.6 ohm\u003c\/strong\u003e is a through-hole fixed resistor with a resistance of 1.6 Ω and a power rating of 0.5 W, sold in a pack of 5. As a standard E24 low value, it is useful for current sensing and current limiting where you need a small, predictable voltage drop at a few hundred milliamps.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 1.6 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 1.6 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum current at 0.5 W:\u003c\/strong\u003e about 559 mA (P = I² × R)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e standard E24 value\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 1.6 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent-sense resistor for Arduino and ESP32 power monitoring\u003c\/li\u003e\n\u003cli\u003eLED driver circuits and LED current limiting\u003c\/li\u003e\n\u003cli\u003eSeries resistors in low-voltage supply lines\u003c\/li\u003e\n\u003cli\u003eReplacement resistor in electronic repairs\u003c\/li\u003e\n\u003cli\u003ePrototyping and test circuits\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 1.6 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Use Ohm's law to measure current: 0.16 V across 1.6 Ω means 100 mA. Keep the current below about 559 mA so the resistor stays under its 0.5 W rating (P = I² × R).\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509104320646,"sku":"10250068","price":0.1,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_60c48487-8de4-43d7-be64-3e6e7033b058.jpg?v=1745908972"},{"product_id":"resistor-0-5w-1-8","title":"Resistor 0.5W 1.8 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 1.8 ohm\u003c\/strong\u003e is a low-ohm through-hole fixed resistor with a resistance of 1.8 Ω and a power rating of 0.5 W, sold in a pack of 5. It is used where current is high and the voltage drop must stay small, for example in current-sense circuits, LED drivers and battery-powered projects.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 1.8 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 1.8 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum current at 0.5 W:\u003c\/strong\u003e about 527 mA (P = I² × R)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e standard E12 value\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 1.8 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent sensing in battery chargers and power monitors\u003c\/li\u003e\n\u003cli\u003eSeries resistors for power LEDs\u003c\/li\u003e\n\u003cli\u003eCurrent limiting in low-voltage power lines\u003c\/li\u003e\n\u003cli\u003eRepair of power supplies and audio boards\u003c\/li\u003e\n\u003cli\u003eElectronics prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 1.8 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity. With 1.8 Ω, 100 mA gives a 0.18 V drop and 0.018 W of heat; the 0.5 W limit is reached at about 527 mA, so check P = I² × R before using it on larger loads.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509125947526,"sku":"10250075","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_f8671b42-af87-4289-9bdf-e834638e7504.jpg?v=1745909566"},{"product_id":"resistor-0-5w-2","title":"Resistor 0.5W 2 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 2 ohm\u003c\/strong\u003e is a low-value through-hole fixed resistor with a resistance of 2 Ω and a power rating of 0.5 W, sold in a pack of 5. Low resistances like this are used where the current is high and only a small voltage drop is wanted, such as current sensing, limiting current to power LEDs and small test loads.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 2 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 2 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum current:\u003c\/strong\u003e about 0.5 A at full rated power\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 2 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent sense resistors for measuring current with an ADC or meter\u003c\/li\u003e\n\u003cli\u003eCurrent limiting for high-brightness LEDs\u003c\/li\u003e\n\u003cli\u003eSmall dummy loads for testing\u003c\/li\u003e\n\u003cli\u003eSeries resistors in charging and power circuits\u003c\/li\u003e\n\u003cli\u003eElectronics education and repairs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 2 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity, so they can be fitted either way round. With low values, check the power with P = I² × R: at 0.5 A a 2 Ω resistor already dissipates its full 0.5 W, so keep the current lower to leave a safety margin.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509125980294,"sku":"10250082","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_40ce974d-dae2-4bdf-bcfc-d38832b2c31c.jpg?v=1745909567"},{"product_id":"resistor-0-5w-2-2","title":"Resistor 0.5W 2.2 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 2.2 ohm\u003c\/strong\u003e is a low-ohm through-hole fixed resistor with a resistance of 2.2 Ω and a power rating of 0.5 W, sold in a pack of 5. Its small value means only a small voltage is lost across it, so it is a good choice for current sensing, power LED current limiting and series resistors in low-voltage power lines.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 2.2 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 2.2 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum current at 0.5 W:\u003c\/strong\u003e about 477 mA (P = I² × R)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e standard E6 value\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 2.2 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent-sense resistor for measuring load current\u003c\/li\u003e\n\u003cli\u003eCurrent limiting for power LEDs on 3.3 V and 5 V supplies\u003c\/li\u003e\n\u003cli\u003eEmitter resistors in audio and small power transistor stages\u003c\/li\u003e\n\u003cli\u003eReplacement resistor in chargers and power adapters\u003c\/li\u003e\n\u003cli\u003ePrototyping and testing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 2.2 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e To read current, measure the voltage across the resistor: 0.22 V means 100 mA. The 0.5 W limit is reached at about 477 mA (P = I² × R), so use a higher-wattage resistor for bigger loads.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509104484486,"sku":"10250099","price":0.1,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_560eab9c-cde8-4f50-bf95-e8ed09656f2f.jpg?v=1745908971"},{"product_id":"resistor-0-5w-2-4","title":"Resistor 0.5W 2.4 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 2.4 ohm\u003c\/strong\u003e is a very low-value through-hole fixed resistor with a resistance of 2.4 Ω and a power rating of 0.5 W, sold in a pack of 5. At this value only a small voltage drops across the resistor, so it is used to measure current, limit current in low-voltage power circuits and build precise low resistances in combination with other parts.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 2.4 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 2.4 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum current:\u003c\/strong\u003e about 456 mA at the 0.5 W rating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 2.4 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent sensing: 100 mA through it gives 0.24 V (I = V \/ 2.4 Ω)\u003c\/li\u003e\n\u003cli\u003eCurrent limiting in low-voltage LED and motor test circuits\u003c\/li\u003e\n\u003cli\u003eSeries and parallel combinations for other low resistance values\u003c\/li\u003e\n\u003cli\u003eSmall loads for testing batteries and low-voltage supplies\u003c\/li\u003e\n\u003cli\u003eElectronics education and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 2.4 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity, so they can be fitted either way round. With 2.4 Ω the 0.5 W limit is reached at only about 1.1 V across the resistor (about 450 mA), so for higher currents use a resistor with a bigger power rating.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509126013062,"sku":"10250105","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_2c1c3977-2c08-4db2-b5d3-1de5d3736881.jpg?v=1745909567"},{"product_id":"resistor-0-5w-2-7","title":"Resistor 0.5W 2.7 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 2.7 ohm\u003c\/strong\u003e is a low-value through-hole fixed resistor with a resistance of 2.7 Ω and a power rating of 0.5 W, sold in a pack of 5. Low values like this are used where a small, controlled voltage drop is needed, such as measuring current, limiting current in low-voltage circuits or adding a little series resistance to a power line.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 2.7 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 2.7 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent at full power:\u003c\/strong\u003e about 0.43 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 2.7 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSimple current sensing: measure the voltage across the resistor and divide it by 2.7 Ω\u003c\/li\u003e\n\u003cli\u003eCurrent limiting for power LEDs and small loads in low-voltage circuits\u003c\/li\u003e\n\u003cli\u003eSeries resistance in power and battery lines\u003c\/li\u003e\n\u003cli\u003eRepairing power supply, charger and audio boards that use a 2.7 Ω part\u003c\/li\u003e\n\u003cli\u003eElectronics education and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 2.7 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity, so they can be fitted either way round. With such a low value the power limit comes quickly: 0.5 W is reached at about 0.43 A (about 1.16 V across the resistor), so check P = I² × R before using it in higher-current circuits.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509126045830,"sku":"10250112","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_60a3ebbd-54af-4371-86e5-e53ce5ae9c48.jpg?v=1745909568"},{"product_id":"resistor-0-5w-3","title":"Resistor 0.5W 3 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 3 ohm\u003c\/strong\u003e is a through-hole fixed resistor with a resistance of 3 Ω and a power rating of 0.5 W, sold in a pack of 5. Because its resistance is so low, it is mostly used in the current path of a circuit: as a shunt for measuring current, as a small series resistor that limits current in low-voltage designs, or as a replacement part when repairing power and charger boards.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 3 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 3 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent at full power:\u003c\/strong\u003e about 0.4 A (I = √(P \/ R))\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 3 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent measurement with an op-amp, INA-type sensor or ADC input\u003c\/li\u003e\n\u003cli\u003eCurrent limiting in low-voltage, higher-current circuits\u003c\/li\u003e\n\u003cli\u003eLight test loads for single cells and small power supplies\u003c\/li\u003e\n\u003cli\u003eSpare parts for power, charger and audio board repairs\u003c\/li\u003e\n\u003cli\u003eElectronics education and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 3 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e At 3 Ω the 0.5 W limit is reached at only about 1.2 V across the resistor, or about 0.4 A through it. Always check the power with P = I² × R, and step up to a 1 W or larger resistor if your current is higher.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509126078598,"sku":"10250129","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_3253cc0f-920d-4ecd-a0e4-cebfc6f37142.jpg?v=1745909569"},{"product_id":"resistor-0-5w-3-3","title":"Resistor 0.5W 3.3 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 3.3 ohm\u003c\/strong\u003e is a through-hole fixed resistor with a very low resistance of 3.3 Ω and a power rating of 0.5 W, sold in a pack of 5. Values this low are mainly used to measure current as a sense (shunt) resistor, to limit current in small motor and LED driver circuits, and to add a little series resistance in power and speaker test circuits.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 3.3 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 3.3 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum current at full rating:\u003c\/strong\u003e about 390 mA (I = √(P ÷ R))\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 3.3 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent-sense resistor read by an Arduino ADC or an op-amp\u003c\/li\u003e\n\u003cli\u003eLimiting current in small motor and LED driver circuits\u003c\/li\u003e\n\u003cli\u003eSeries resistor in low-power audio and speaker tests\u003c\/li\u003e\n\u003cli\u003eLoad and power dissipation experiments\u003c\/li\u003e\n\u003cli\u003eRepairs of chargers and power supply boards\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 3.3 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity, and the colour bands for 3.3 Ω are orange, orange, gold. The 0.5 W limit is reached at only about 1.3 V across it, so never connect it directly across a supply. As a current-sense resistor it drops 3.3 V per amp, for example 0.33 V at 100 mA.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509126111366,"sku":"10250136","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_dbdb354d-db9a-4355-8fd4-5ffb16434c17.jpg?v=1745909570"},{"product_id":"resistor-0-5w-3-6","title":"Resistor 0.5W 3.6 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 3.6 ohm\u003c\/strong\u003e is a through-hole fixed resistor with a resistance of 3.6 Ω and a power rating of 0.5 W, sold in a pack of 5. This standard E24 low value is used in circuits that carry a few hundred milliamps, such as LED drivers, current-sense and protection circuits, and small power supplies.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 3.6 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 3.6 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum current at 0.5 W:\u003c\/strong\u003e about 373 mA (P = I² × R)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e standard E24 value\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 3.6 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent limiting for power LEDs and LED modules\u003c\/li\u003e\n\u003cli\u003eLow-side current sensing for small motors and battery loads\u003c\/li\u003e\n\u003cli\u003eSeries protection resistors in low-voltage power inputs\u003c\/li\u003e\n\u003cli\u003eReplacement resistor when repairing electronic boards\u003c\/li\u003e\n\u003cli\u003eElectronics education and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 3.6 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity. With 3.6 Ω, 0.5 W is reached at about 373 mA (about 1.34 V across the resistor), so for continuous use aim for roughly half of that to keep it cool.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509126144134,"sku":"10250143","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_7f549c14-b2a4-4585-808b-a5dcda9a1e4e.jpg?v=1745909570"},{"product_id":"resistor-0-5w-3-9","title":"Resistor 0.5W 3.9 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 3.9 ohm\u003c\/strong\u003e is a low-ohm through-hole fixed resistor with a resistance of 3.9 Ω and a power rating of 0.5 W, sold in a pack of 5. It is mainly used where currents are a few hundred milliamps, for example as a current-sense resistor, a series resistor for power LEDs or a small load in test circuits.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 3.9 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 3.9 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum current at 0.5 W:\u003c\/strong\u003e about 358 mA (P = I² × R)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e standard E12 value\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 3.9 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent sensing with a multimeter, an Arduino analog input or an op-amp\u003c\/li\u003e\n\u003cli\u003eSeries resistor for 1 W LEDs\u003c\/li\u003e\n\u003cli\u003eEmitter resistors in small transistor amplifier stages\u003c\/li\u003e\n\u003cli\u003eReplacement part in chargers, adapters and audio boards\u003c\/li\u003e\n\u003cli\u003eElectronics prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 3.9 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Ohm's law makes current sensing easy: 0.39 V across this resistor means 100 mA. Keep the current under about 358 mA (P = I² × R = 0.5 W); for higher currents choose a 1 W or larger resistor.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41548577669254,"sku":"10250150","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_8626656b-b31a-4df6-a029-5742c1785448.jpg?v=1745909571"},{"product_id":"resistor-0-5w-4-3","title":"Resistor 0.5W 4.3 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 4.3 ohm\u003c\/strong\u003e is a low-value through-hole resistor with a resistance of 4.3 Ω and a power rating of 0.5 W, supplied in a pack of 5. A few ohms is the range used for measuring and limiting current rather than for setting signal levels, so this value is useful for current-sense shunts, series resistors in low-voltage power lines and replacing worn parts on repair jobs.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 4.3 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 4.3 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent at full power:\u003c\/strong\u003e about 0.34 A (I = √(P \/ R))\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 4.3 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent-sense shunt read by an op-amp or a microcontroller ADC\u003c\/li\u003e\n\u003cli\u003eSeries resistors that limit current in low-voltage circuits\u003c\/li\u003e\n\u003cli\u003eSmall dummy loads for testing cells and low-voltage supplies\u003c\/li\u003e\n\u003cli\u003eRepairing power boards, chargers and audio equipment\u003c\/li\u003e\n\u003cli\u003eElectronics labs and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 4.3 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e A 4.3 Ω resistor reaches its 0.5 W limit at only about 1.5 V across it, or about 0.34 A through it. Work out P = I² × R for your circuit first, and if it comes close to 0.5 W, use a higher-wattage resistor so it does not overheat.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509126209670,"sku":"10250167","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_f1f1ba8b-cc19-4a1c-95ed-874e957f6de8.jpg?v=1745909572"},{"product_id":"resistor-0-5w-4-7","title":"Resistor 0.5W 4.7 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 4.7 ohm\u003c\/strong\u003e is a through-hole fixed resistor with a very low resistance of 4.7 Ω and a power rating of 0.5 W, sold in a pack of 5. Low-value resistors like this are used where current is high and only a small voltage drop is wanted: sensing current, damping MOSFET gate signals, limiting inrush current and stabilising audio amplifier outputs.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 4.7 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 4.7 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 4.7 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent-sense resistors for measuring load current\u003c\/li\u003e\n\u003cli\u003eGate resistors for power MOSFETs and gate drivers\u003c\/li\u003e\n\u003cli\u003eInrush and surge limiting in small power circuits\u003c\/li\u003e\n\u003cli\u003eZobel networks and output stabilisation in audio amplifiers\u003c\/li\u003e\n\u003cli\u003eElectronics education and repair work\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 4.7 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity, so they can be fitted either way round. With 4.7 Ω the 0.5 W limit is reached at only about 330 mA (about 1.5 V across it), so for current sensing calculate P = I² × R and choose a higher-wattage resistor for larger currents.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41516504744070,"sku":"10250174","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_37d04b9a-c11b-4d25-93fb-b170f6e2b6cd.jpg?v=1745909572"},{"product_id":"resistor-0-5w-5-1","title":"Resistor 0.5W 5.1 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 5.1 ohm\u003c\/strong\u003e is a low-value through-hole fixed resistor with a resistance of 5.1 Ω and a power rating of 0.5 W, sold in a pack of 5. Low resistances like this are used where a circuit needs to measure or limit a larger current with only a small voltage drop, for example in current sensing, constant-current LED drivers and power stages.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 5.1 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 5.1 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum continuous current:\u003c\/strong\u003e about 0.31 A at the 0.5 W rating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 5.1 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent-sense (shunt) resistors, measuring current from the voltage drop (V = I × R)\u003c\/li\u003e\n\u003cli\u003eSetting the current of an LM317 constant-current source (about 245 mA with 5.1 Ω)\u003c\/li\u003e\n\u003cli\u003eCurrent limiting for power LEDs and small loads\u003c\/li\u003e\n\u003cli\u003eLow-value series resistors in power supply and charger circuits\u003c\/li\u003e\n\u003cli\u003eElectronics repair and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 5.1 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Check the power with P = I² × R before placing this resistor in a high-current path: 0.31 A already reaches the 0.5 W limit. In an LM317 current source it dissipates about 0.3 W, which is within the rating, but it will get warm, so leave some space around it.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509126275206,"sku":"10250181","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_7087088d-4770-410b-9e93-d1a25813477e.jpg?v=1745909573"},{"product_id":"resistor-0-5w-5-6","title":"Resistor 0.5W 5.6 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 5.6 ohm\u003c\/strong\u003e is a through-hole fixed resistor with a low resistance of 5.6 Ω and a power rating of 0.5 W, sold in a pack of 5. Low-value resistors like this are used where a small, known resistance has to carry a relatively large current, for example as a current-sense shunt, a series resistor in a supply line or a current limiter in low-voltage circuits.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 5.6 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 5.6 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent at full power:\u003c\/strong\u003e about 0.3 A (I = √(P \/ R))\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 5.6 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent-sense resistor for measuring current with an op-amp or an ADC input\u003c\/li\u003e\n\u003cli\u003eSeries current limiting in low-voltage, higher-current circuits\u003c\/li\u003e\n\u003cli\u003eSmall test loads for batteries and low-voltage supplies\u003c\/li\u003e\n\u003cli\u003eReplacing burnt low-value resistors in repairs\u003c\/li\u003e\n\u003cli\u003eElectronics education and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 5.6 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e With such a low value, the power limit comes quickly: 0.5 W is reached at only about 1.7 V across the resistor, or about 0.3 A through it. Check P = I² × R before use, and choose a higher-wattage resistor if your circuit needs more current.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509126307974,"sku":"10250198","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_940a259e-ff5a-4dab-88e1-d7a13b87c03a.jpg?v=1745909574"},{"product_id":"resistor-0-5w-6-2","title":"Resistor 0.5W 6.2 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 6.2 ohm\u003c\/strong\u003e is a through-hole fixed resistor with a resistance of 6.2 Ω and a power rating of 0.5 W, sold in a pack of 5. Very low values like 6.2 Ω sit in the current path of power circuits, where they are used to sense or limit current, as MOSFET gate resistors or as small loads for testing.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 6.2 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 6.2 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 6.2 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent sensing by measuring the voltage drop across the resistor\u003c\/li\u003e\n\u003cli\u003eCurrent limiting for power LEDs at low supply voltages\u003c\/li\u003e\n\u003cli\u003eGate resistors for power MOSFETs\u003c\/li\u003e\n\u003cli\u003eSmall test loads and snubber circuits\u003c\/li\u003e\n\u003cli\u003eElectronics education and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 6.2 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity, so they can be fitted either way round. A current of 100 mA through 6.2 Ω drops 0.62 V (V = I × R). The 0.5 W limit is reached at about 284 mA, or only 1.76 V across the resistor, so check the power (P = I² × R) in every power circuit.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509126340742,"sku":"10250204","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_03394f5f-cf77-45c9-a9a2-bad2ae36e93e.jpg?v=1745909574"},{"product_id":"resistor-0-5w-6-8","title":"Resistor 0.5W 6.8 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 6.8 ohm\u003c\/strong\u003e is a low-value through-hole fixed resistor with a resistance of 6.8 Ω and a power rating of 0.5 W, sold in a pack of 5. Low resistances like 6.8 Ω are used for current sensing, for limiting the current to power LEDs and small loads, and as a replacement part in power supplies and chargers.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 6.8 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 6.8 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum current at 0.5 W:\u003c\/strong\u003e about 271 mA (P = I² × R)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e standard E6 value\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 6.8 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent sensing: measure the voltage across it to work out the current\u003c\/li\u003e\n\u003cli\u003eCurrent limiting for power LEDs\u003c\/li\u003e\n\u003cli\u003eSnubber and damping networks together with a capacitor\u003c\/li\u003e\n\u003cli\u003eReplacement resistor in chargers and small power supplies\u003c\/li\u003e\n\u003cli\u003eElectronics prototyping and testing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 6.8 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e To measure current, read the voltage across the resistor and divide by 6.8: 0.68 V means 100 mA. Keep the current below about 271 mA so the heat stays under 0.5 W (P = I² × R).\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41548578128006,"sku":"10250211","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_c58dac7c-f993-4281-b69b-8277274bf8a8.jpg?v=1745909575"},{"product_id":"resistor-0-5w-7-5","title":"Resistor 0.5W 7.5 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 7.5 ohm\u003c\/strong\u003e is a through-hole fixed resistor with a very low resistance of 7.5 Ω and a power rating of 0.5 W, sold in a pack of 5. 7.5 Ω is an E24 series value used to measure or set current with only a small voltage drop, for example in current-sense circuits, constant-current LED drivers and series protection.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 7.5 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 7.5 Ω (also written 7R5)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum current:\u003c\/strong\u003e about 260 mA at the full 0.5 W rating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour code:\u003c\/strong\u003e violet, green, gold (4-band) or violet, green, black, silver (5-band), plus a tolerance band\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 7.5 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLM317 constant-current source for LEDs: 1.25 V \/ 7.5 Ω ≈ 167 mA\u003c\/li\u003e\n\u003cli\u003eCurrent-sense resistors: 100 mA gives a 0.75 V drop\u003c\/li\u003e\n\u003cli\u003eSeries resistors that limit inrush and fault current\u003c\/li\u003e\n\u003cli\u003eEmitter degeneration resistors in transistor stages\u003c\/li\u003e\n\u003cli\u003eElectronics education and repair work\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 7.5 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Watch the power: at 167 mA in the LM317 example the resistor dissipates about 0.21 W, which is fine, but 2 V across 7.5 Ω already gives 0.53 W, just over the 0.5 W rating.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509126406278,"sku":"10250228","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_46f8fa00-148f-4f54-9a46-cc68169ee9b5.jpg?v=1745909576"},{"product_id":"resistor-0-5w-8-2","title":"Resistor 0.5W 8.2 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 8.2 ohm\u003c\/strong\u003e is a through-hole fixed resistor with a low resistance of 8.2 Ω and a power rating of 0.5 W, sold in a pack of 5. Values this low are used for current sensing, limiting current in LED and charging circuits, and as a small dummy load close to the 8 Ω impedance of many speakers when testing low-power amplifiers.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 8.2 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 8.2 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 8.2 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent sensing with an Arduino analog input (V = I × R)\u003c\/li\u003e\n\u003cli\u003eDummy load for testing small audio amplifiers at low power\u003c\/li\u003e\n\u003cli\u003eCurrent limiting for infrared and high-current LEDs\u003c\/li\u003e\n\u003cli\u003eGate resistors for power MOSFETs\u003c\/li\u003e\n\u003cli\u003eSeries resistors in battery charge and discharge test circuits\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 8.2 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity, so they can be fitted either way round. With 8.2 Ω, the 0.5 W limit is reached at only about 2 V across the resistor (about 250 mA); across 5 V it would dissipate about 3 W and burn, so always calculate P = V² \/ R first.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509126439046,"sku":"10250235","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_99008c4d-f835-4b0a-b2b7-3a06c3a60341.jpg?v=1745909577"},{"product_id":"resistor-0-5w-9-1","title":"Resistor 0.5W 9.1 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 9.1 ohm\u003c\/strong\u003e is a low-value through-hole fixed resistor with a resistance of 9.1 Ω and a power rating of 0.5 W, sold in a pack of 5. Resistors under 10 Ω are used to sense and set current in power circuits, so this one suits LED drivers, current measurement and series resistors in low-voltage projects.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 9.1 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 9.1 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum current:\u003c\/strong\u003e about 234 mA at the 0.5 W rating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 9.1 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSetting an LM317 constant-current source to about 137 mA (1.25 V \/ 9.1 Ω)\u003c\/li\u003e\n\u003cli\u003eCurrent sensing: 100 mA through it gives 0.91 V, easy to read with an analog input\u003c\/li\u003e\n\u003cli\u003eCurrent limiting for high-current LEDs and small loads\u003c\/li\u003e\n\u003cli\u003eSmall test loads for low-voltage supplies\u003c\/li\u003e\n\u003cli\u003eElectronics education and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 9.1 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity, so they can be fitted either way round. With 9.1 Ω the 0.5 W limit is reached at about 2.1 V across the resistor, so check the power (P = I² × R) and allow the resistor to run warm only within its rating.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41548578226310,"sku":"10250242","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_49ce1850-a64c-4afa-a96d-cd7c39d719ee.jpg?v=1745909577"},{"product_id":"resistor-0-5w-10","title":"Resistor 0.5W 10 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 10 ohm\u003c\/strong\u003e is a through-hole fixed resistor with a resistance of 10 Ω and a power rating of 0.5 W, sold in a pack of 5. Low-value resistors like this are used as MOSFET gate resistors, for simple current sensing, in audio output networks and as small loads in test circuits.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 10 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 10 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 10 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGate resistors for MOSFETs driven by a microcontroller or gate driver\u003c\/li\u003e\n\u003cli\u003eCurrent sensing: 1 V across the resistor means 100 mA is flowing\u003c\/li\u003e\n\u003cli\u003eOutput networks such as the 10 Ω and 0.05 µF network on LM386 audio amplifiers\u003c\/li\u003e\n\u003cli\u003eSmall series resistors to limit inrush current in low-power circuits\u003c\/li\u003e\n\u003cli\u003eElectronics education and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 10 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity, so they can be fitted either way round. With only 10 Ω, the 0.5 W limit is reached at about 2.2 V across the resistor (about 220 mA), so check the power (P = I² × R) whenever a real current flows through it.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41516504776838,"sku":"10250259","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_ef8187e5-728e-4396-8b47-fa4288a25020.jpg?v=1745909578"},{"product_id":"resistor-0-5w-11","title":"Resistor 0.5W 11 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 11 ohm\u003c\/strong\u003e is a through-hole fixed resistor with a resistance of 11 Ω and a power rating of 0.5 W, sold in a pack of 5. This standard E24 low value suits circuits where the current is in the 50–200 mA range, such as power LED current limiting, MOSFET gate resistors and simple current sensing.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 11 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 11 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum current at 0.5 W:\u003c\/strong\u003e about 213 mA (P = I² × R)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e standard E24 value\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 11 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent limiting for high-brightness and power LEDs\u003c\/li\u003e\n\u003cli\u003eMOSFET gate resistors to reduce ringing\u003c\/li\u003e\n\u003cli\u003eCurrent sensing in small power circuits\u003c\/li\u003e\n\u003cli\u003eSeries resistors in charging and test circuits\u003c\/li\u003e\n\u003cli\u003eElectronics repair and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 11 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity. The power in the resistor is P = I² × R, so with 11 Ω the 0.5 W limit is reached at about 213 mA (about 2.3 V across it). Choose a higher-wattage resistor if your current is above that.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509103992966,"sku":"10250266","price":0.1,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_8223ec6b-944d-4853-b287-e3e1aabe64d2.jpg?v=1745908970"},{"product_id":"resistor-0-5w-12","title":"Resistor 0.5W 12 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 12 ohm\u003c\/strong\u003e is a through-hole fixed resistor with a low resistance of 12 Ω and a power rating of 0.5 W, sold in a pack of 5. 12 Ω is a standard E12 value used for setting current, limiting current and adding a small series resistance in low-voltage power, LED and audio circuits.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 12 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 12 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum current:\u003c\/strong\u003e about 200 mA at the full 0.5 W rating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour code:\u003c\/strong\u003e brown, red, black (4-band) or brown, red, black, gold (5-band), plus a tolerance band\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 12 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLM317 constant-current source for LEDs: 1.25 V \/ 12 Ω ≈ 104 mA\u003c\/li\u003e\n\u003cli\u003eCurrent limiting for small lamps and low-voltage loads\u003c\/li\u003e\n\u003cli\u003eSeries protection resistors for small speakers and buzzers\u003c\/li\u003e\n\u003cli\u003eGate and damping resistors in switching circuits\u003c\/li\u003e\n\u003cli\u003eElectronics education and repair work\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 12 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity. In the LM317 example the resistor dissipates about 0.13 W (1.25 V × 104 mA), comfortably within its 0.5 W rating; never place it straight across a supply above about 2.4 V.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41548576620678,"sku":"10250273","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_ebf70a9c-7163-42d9-b2ba-eb17699c5577.jpg?v=1745909579"},{"product_id":"resistor-0-5w-13","title":"Resistor 0.5W 13 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 13 ohm\u003c\/strong\u003e is a low-value through-hole fixed resistor with a resistance of 13 Ω and a power rating of 0.5 W, sold in a pack of 5. It is used where currents of up to around 200 mA must be set or measured, such as LED current sources, simple current sensing and series resistors in low-voltage power circuits.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 13 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 13 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum current:\u003c\/strong\u003e about 196 mA at the 0.5 W rating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 13 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSetting an LM317 constant-current source to about 96 mA (1.25 V \/ 13 Ω) for LEDs\u003c\/li\u003e\n\u003cli\u003eSimple current sensing: 100 mA through it gives 1.3 V\u003c\/li\u003e\n\u003cli\u003eCurrent limiting for high-current LEDs and small loads\u003c\/li\u003e\n\u003cli\u003eSmall test loads for low-voltage supplies\u003c\/li\u003e\n\u003cli\u003eElectronics education and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 13 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity, so they can be fitted either way round. With 13 Ω the 0.5 W limit is reached at only about 2.5 V across the resistor; check the power with P = I² × R and choose a higher-wattage resistor if it is exceeded.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509126537350,"sku":"10250280","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_24e3ce21-955b-4d92-98fe-ffd9dace344c.jpg?v=1745909579"},{"product_id":"resistor-0-5w-15","title":"Resistor 0.5W 15 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 15 ohm\u003c\/strong\u003e is a through-hole fixed resistor with a low resistance of 15 Ω and a power rating of 0.5 W, sold in a pack of 5. Low values like 15 Ω are used to set or measure current with a small voltage drop, for example in constant-current LED drivers, current-sense circuits and series protection in low-voltage power circuits.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 15 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 15 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum current:\u003c\/strong\u003e about 180 mA at the full 0.5 W rating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour code:\u003c\/strong\u003e brown, green, black (4-band) or brown, green, black, gold (5-band), plus a tolerance band\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 15 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLM317 constant-current source for LEDs: 1.25 V \/ 15 Ω ≈ 83 mA\u003c\/li\u003e\n\u003cli\u003eCurrent-sense resistors in chargers and test circuits\u003c\/li\u003e\n\u003cli\u003eSeries resistors for small speakers and buzzers\u003c\/li\u003e\n\u003cli\u003eGate and damping resistors in switching circuits\u003c\/li\u003e\n\u003cli\u003eElectronics education and repair work\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 15 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Check the power with P = V² \/ R: even 3.3 V across 15 Ω gives about 0.73 W, more than this resistor can handle. Keep the voltage across it below about 2.7 V.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509126570118,"sku":"10250297","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_1286132e-e06c-420e-afb3-2b237de3fe3b.jpg?v=1745909580"},{"product_id":"resistor-0-5w-16","title":"Resistor 0.5W 16 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 16 ohm\u003c\/strong\u003e is a through-hole fixed resistor with a resistance of 16 Ω and a power rating of 0.5 W, sold in a pack of 5. It is a standard E24 value that is often used as a low-power stand-in load for 16 Ω headphones and small speakers, and for current limiting in circuits that carry more than a few tens of milliamps.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 16 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 16 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum current at 0.5 W:\u003c\/strong\u003e about 177 mA (P = I² × R)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e standard E24 value\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 16 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDummy load for testing small audio amplifiers at low power\u003c\/li\u003e\n\u003cli\u003eCurrent limiting for LEDs and small loads at higher currents\u003c\/li\u003e\n\u003cli\u003eGate and damping resistors in switching circuits\u003c\/li\u003e\n\u003cli\u003eReplacement part when repairing electronic boards\u003c\/li\u003e\n\u003cli\u003eElectronics education and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 16 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity. Remember P = I² × R: the 0.5 W rating is reached at about 177 mA, or about 2.8 V across the resistor, so keep well below that for a cool, long-lasting part.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509126602886,"sku":"10250303","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_ab3743dd-afe7-468d-a023-a5915d93b855.jpg?v=1745909581"},{"product_id":"resistor-0-5w-18","title":"Resistor 0.5W 18 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 18 ohm\u003c\/strong\u003e is a low-value through-hole fixed resistor with a resistance of 18 Ω and a power rating of 0.5 W, sold in a pack of 5. Low values like this are used where current is high, such as limiting the current of power LEDs, damping MOSFET gates or acting as a small test load on the bench.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 18 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 18 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum current at 0.5 W:\u003c\/strong\u003e about 166 mA (P = I² × R)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e standard E12 value\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 18 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSeries resistor for 1 W LEDs on 5 V supplies\u003c\/li\u003e\n\u003cli\u003eGate resistors for MOSFETs driven by a microcontroller or gate driver\u003c\/li\u003e\n\u003cli\u003eCurrent limiting for small loads\u003c\/li\u003e\n\u003cli\u003eSmall dummy loads for testing low-power supplies\u003c\/li\u003e\n\u003cli\u003eElectronics repair and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 18 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Always check the power with P = I² × R. For example, 100 mA through 18 Ω makes 0.18 W of heat, which is fine, but the 0.5 W limit is reached at about 166 mA (3 V across the resistor).\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509126635654,"sku":"10250310","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_869a05d0-1310-4419-9af0-d633a002a2be.jpg?v=1745909581"},{"product_id":"resistor-0-5w-20","title":"Resistor 0.5W 20 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 20 ohm\u003c\/strong\u003e is a through-hole fixed resistor with a low resistance of 20 Ω and a power rating of 0.5 W, sold in a pack of 5. Low values like 20 Ω are used where real current flows: limiting current for bright LEDs, gate resistors for power MOSFETs, current sensing and small series resistors in power and audio circuits.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 20 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 20 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 20 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSeries gate resistors for power MOSFETs\u003c\/li\u003e\n\u003cli\u003eCurrent limiting for high-brightness and infrared LEDs\u003c\/li\u003e\n\u003cli\u003eSimple current sensing by measuring the voltage across the resistor\u003c\/li\u003e\n\u003cli\u003eSeries resistors for small speakers and buzzers\u003c\/li\u003e\n\u003cli\u003eDamping and snubber networks in power circuits\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 20 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity, so they can be fitted either way round. With only 20 Ω, the 0.5 W limit is reached at about 3.2 V across the resistor (about 158 mA); connected straight across 5 V it would dissipate 1.25 W and overheat, so always check P = V² \/ R.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41556242235526,"sku":"10250327","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_f2d789b5-c0c7-471c-aa09-fb3d19be0c89.jpg?v=1745909582"},{"product_id":"resistor-0-5w-22","title":"Resistor 0.5W 22 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 22 ohm\u003c\/strong\u003e is a through-hole fixed resistor with a low resistance of 22 Ω and a power rating of 0.5 W, sold in a pack of 5. Low values like this are used where only a small series resistance is needed, for example as MOSFET gate resistors, damping resistors on fast signal lines and simple current limiting or sensing in low-voltage circuits.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 22 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 22 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum voltage at 0.5 W:\u003c\/strong\u003e about 3.3 V across the resistor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 22 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGate resistors for MOSFETs driven from an Arduino or a driver IC\u003c\/li\u003e\n\u003cli\u003eSeries damping resistors on clock and data lines\u003c\/li\u003e\n\u003cli\u003eCurrent limiting for small low-voltage loads\u003c\/li\u003e\n\u003cli\u003eSimple current sensing: measure the voltage across it and use I = V \/ R\u003c\/li\u003e\n\u003cli\u003eRC filter and snubber networks with a capacitor\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 22 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Because the resistance is low, the power rises quickly: 5 V directly across 22 Ω gives about 1.1 W, more than twice the rating. Keep the voltage across the resistor below about 3.3 V, or choose a higher-wattage resistor.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41548576784518,"sku":"10250334","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_713c6154-7c73-4890-bccd-b9b26e34fca1.jpg?v=1745909583"},{"product_id":"resistor-0-5w-24","title":"Resistor 0.5W 24 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 24 ohm\u003c\/strong\u003e is a low-value through-hole fixed resistor with a resistance of 24 Ω and a power rating of 0.5 W, sold in a pack of 5. Low values like this let higher currents flow, so they are used to drive infrared and high-current LEDs, set constant-current sources and act as small test loads in low-voltage circuits.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 24 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 24 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum current:\u003c\/strong\u003e about 144 mA at the 0.5 W rating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 24 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent limiting for infrared LEDs in remote-control transmitters\u003c\/li\u003e\n\u003cli\u003eSetting an LM317 constant-current source to about 52 mA (1.25 V \/ 24 Ω)\u003c\/li\u003e\n\u003cli\u003eGate resistors for power MOSFETs\u003c\/li\u003e\n\u003cli\u003eSmall test loads for low-voltage supplies\u003c\/li\u003e\n\u003cli\u003eElectronics education and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 24 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity, so they can be fitted either way round. With 24 Ω the 0.5 W limit is reached at only about 3.5 V across the resistor, so do not connect it directly across a 5 V supply (that would be about 1 W).\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509126733958,"sku":"10250341","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_3feb2e40-4988-492f-a208-df02d2f783f2.jpg?v=1745909583"},{"product_id":"resistor-0-5w-27","title":"Resistor 0.5W 27 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 27 ohm\u003c\/strong\u003e is a through-hole fixed resistor with a resistance of 27 Ω and a power rating of 0.5 W, sold in a pack of 5. Low values like 27 Ω are used where more current flows, for example as series resistors on USB data lines, gate resistors for MOSFETs and current-limiting resistors in low-voltage power circuits.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 27 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 27 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 27 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSeries resistors on USB D+ and D− lines in USB-to-serial circuits\u003c\/li\u003e\n\u003cli\u003eGate resistors for power MOSFETs\u003c\/li\u003e\n\u003cli\u003eCurrent limiting for higher-current LEDs\u003c\/li\u003e\n\u003cli\u003eSmall loads and damping resistors in audio and power circuits\u003c\/li\u003e\n\u003cli\u003eElectronics education and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 27 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity, so they can be fitted either way round. With 27 Ω, the 0.5 W limit is reached at only about 3.7 V across the resistor (about 136 mA), so check the power (P = I² × R) before using it in power circuits.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509126766726,"sku":"10250358","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_4229ca8d-7941-4e75-b4f6-d816482c917d.jpg?v=1745909584"},{"product_id":"resistor-0-5w-30","title":"Resistor 0.5W 30 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 30 ohm\u003c\/strong\u003e is a low-value through-hole fixed resistor with a resistance of 30 Ω and a power rating of 0.5 W, sold in a pack of 5. It is used in circuits where more current flows, such as series current limiting at low voltages, small test loads and gate or snubber resistors, and the 0.5 W rating gives more headroom than common 0.25 W parts.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 30 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 30 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 30 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDummy load for testing 3.3 V supplies (about 110 mA)\u003c\/li\u003e\n\u003cli\u003eCurrent limiting in low-voltage circuits\u003c\/li\u003e\n\u003cli\u003eGate resistors for MOSFETs\u003c\/li\u003e\n\u003cli\u003eSeries resistors in snubber and filter networks\u003c\/li\u003e\n\u003cli\u003eMaking up exact low values in series or parallel combinations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 30 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity, so they can be fitted either way round. At 3.3 V across it, 30 Ω draws about 110 mA and dissipates 0.36 W; at 5 V it would dissipate about 0.83 W, well over its 0.5 W rating, so do not connect it straight across a 5 V supply.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509126799494,"sku":"10250365","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_14acd8bd-0a3a-4d10-9944-df90cc58fe99.jpg?v=1745909585"},{"product_id":"resistor-0-5w-33","title":"Resistor 0.5W 33 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 33 ohm\u003c\/strong\u003e is a through-hole fixed resistor with a low resistance of 33 Ω and a power rating of 0.5 W, sold in a pack of 5. Low values like this are used where a little resistance is needed in series with a load or signal, such as limiting current to power LEDs, damping fast signal lines or adding a gate resistor to a MOSFET.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 33 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 33 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum current at full rating:\u003c\/strong\u003e about 123 mA (I = √(P ÷ R))\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 33 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent limiting for power LEDs and LED strings\u003c\/li\u003e\n\u003cli\u003eGate resistors for MOSFETs driven from Arduino or ESP32 pins\u003c\/li\u003e\n\u003cli\u003eSeries damping resistors on fast digital and clock lines\u003c\/li\u003e\n\u003cli\u003eSmall loads and current-sense experiments\u003c\/li\u003e\n\u003cli\u003eElectronics education and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 33 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity, so they can be fitted either way round. With only 33 Ω, the 0.5 W limit is reached at about 4 V across the resistor, so never connect it directly across a 5 V supply: it would dissipate about 0.76 W and overheat.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41548576948358,"sku":"10250372","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_4a05a866-9fc5-4a07-8be2-7a3d920a1f26.jpg?v=1745909585"},{"product_id":"resistor-0-5w-36","title":"Resistor 0.5W 36 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 36 ohm\u003c\/strong\u003e is a through-hole fixed resistor with a resistance of 36 Ω and a power rating of 0.5 W, sold in a pack of 5. Low values like 36 Ω pass relatively large currents, so they are used to limit current for high-current LEDs and small loads, as series resistors in power circuits and as light dummy loads when testing low-voltage supplies.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 36 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 36 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 36 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent limiting for high-brightness LEDs\u003c\/li\u003e\n\u003cli\u003eSeries resistors for small lamps, buzzers and loads\u003c\/li\u003e\n\u003cli\u003eLight dummy loads for testing 3.3 V supplies\u003c\/li\u003e\n\u003cli\u003eSnubber and damping networks\u003c\/li\u003e\n\u003cli\u003eElectronics education and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 36 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity, so they can be fitted either way round. With 36 Ω, the 0.5 W limit is reached at about 4.2 V across the resistor (about 118 mA). Connected straight across 5 V it would dissipate about 0.7 W, which is too much, so always check P = V² \/ R first.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509126865030,"sku":"10250389","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_dee2c542-43e4-4f3d-ade0-eb26cc253ce4.jpg?v=1745909586"},{"product_id":"resistor-0-5w-39","title":"Resistor 0.5W 39 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 39 ohm\u003c\/strong\u003e is a through-hole fixed resistor with a low resistance of 39 Ω and a power rating of 0.5 W, sold in a pack of 5. Low values like this are used where only a little series resistance is needed, for example to limit the current through high-current LEDs, to add a gate resistor to a MOSFET or to damp ringing on fast signal lines.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 39 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 39 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum current at full rating:\u003c\/strong\u003e about 113 mA (I = √(P ÷ R))\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 39 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent limiting for high-current LEDs and LED strings\u003c\/li\u003e\n\u003cli\u003eGate resistors for MOSFETs driven from Arduino or ESP32 pins\u003c\/li\u003e\n\u003cli\u003eSeries damping resistors on fast digital lines\u003c\/li\u003e\n\u003cli\u003eSmall loads and current-sense experiments\u003c\/li\u003e\n\u003cli\u003eElectronics education and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 39 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity, and the colour bands for 39 Ω are orange, white, black. The 0.5 W limit is reached at about 4.4 V across the resistor, so do not connect it directly across a 5 V supply: it would dissipate about 0.64 W and overheat.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41548577636486,"sku":"10250396","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_b0b7e9bc-29d2-423a-9e85-c2d7daa3b28f.jpg?v=1745909587"},{"product_id":"resistor-0-5w-43","title":"Resistor 0.5W 43 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 43 ohm\u003c\/strong\u003e is a through-hole fixed resistor with a low resistance of 43 Ω and a power rating of 0.5 W, sold in a pack of 5. 43 Ω is an E24 series value used where a small series resistance is needed, such as MOSFET gate resistors, current limiting in low-voltage circuits and damping on signal lines.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 43 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 43 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum current:\u003c\/strong\u003e about 108 mA at the full 0.5 W rating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour code:\u003c\/strong\u003e yellow, orange, black (4-band) or yellow, orange, black, gold (5-band), plus a tolerance band\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 43 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGate resistors between a microcontroller pin and a power MOSFET\u003c\/li\u003e\n\u003cli\u003eCurrent limiting for LEDs and small loads at low voltage\u003c\/li\u003e\n\u003cli\u003eSeries damping resistors on signal lines\u003c\/li\u003e\n\u003cli\u003eEmitter and collector resistors in small transistor stages\u003c\/li\u003e\n\u003cli\u003eElectronics education and repair work\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 43 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Do not connect it directly across a 5 V supply: it would dissipate about 0.58 W, above its 0.5 W rating. Keep the voltage across it below about 4.6 V, or use it in series with another load.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41548577767558,"sku":"10250402","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_144be2c1-0c04-46ab-8105-6d525e2bc90a.jpg?v=1745909587"},{"product_id":"resistor-0-5w-47","title":"Resistor 0.5W 47 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 47 ohm\u003c\/strong\u003e is a through-hole fixed resistor with a low resistance of 47 Ω and a power rating of 0.5 W, sold in a pack of 5. Low values like this are used where more current must flow, such as gate resistors for MOSFETs, current limiting for infrared and high-current LEDs, and small series resistors that damp ringing on signal lines.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 47 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 47 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 47 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGate resistors for MOSFETs driven from Arduino or ESP32 pins\u003c\/li\u003e\n\u003cli\u003eCurrent limiting for infrared LEDs and high-current LEDs\u003c\/li\u003e\n\u003cli\u003eSeries resistors on signal lines to reduce ringing and noise\u003c\/li\u003e\n\u003cli\u003eBacklight resistors for small displays\u003c\/li\u003e\n\u003cli\u003eElectronics education and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 47 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e With only 47 Ω, the 0.5 W limit is reached at about 4.8 V across the resistor (around 100 mA), so never connect it directly across a 5 V supply. Always use it in series with a load and check the power with P = V² \/ R.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41556242694278,"sku":"10250419","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_2ee1a44f-338e-4224-98c5-d2f123d518f8.jpg?v=1745909588"},{"product_id":"resistor-0-5w-51","title":"Resistor 0.5W 51 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 51 ohm\u003c\/strong\u003e is a low-value through-hole fixed resistor with a resistance of 51 Ω and a power rating of 0.5 W, sold in a pack of 5. Low values like 51 Ω are used where more current must flow, for example with LEDs on low supply voltages, as gate resistors for MOSFETs, and as a close match to 50 Ω for signal termination.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 51 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 51 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 51 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSeries resistors for LEDs on low supply voltages\u003c\/li\u003e\n\u003cli\u003eGate resistors for MOSFETs driven from a microcontroller or driver\u003c\/li\u003e\n\u003cli\u003eApproximate 50 Ω termination for signal and RF test work\u003c\/li\u003e\n\u003cli\u003eSmall test loads and current-sense experiments\u003c\/li\u003e\n\u003cli\u003eElectronics education and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 51 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity, so they can be fitted either way round. Watch the power with low values: with 51 Ω the 0.5 W limit is reached at only about 5 V across the resistor (about 100 mA), so check P = V² \/ R before connecting it across a supply.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509174345862,"sku":"10250426","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_3456f10c-f954-4977-ba3b-933703d3240b.jpg?v=1745909589"},{"product_id":"resistor-0-5w-56","title":"Resistor 0.5W 56 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 56 ohm\u003c\/strong\u003e is a low-value through-hole fixed resistor with a resistance of 56 Ω and a power rating of 0.5 W, sold in a pack of 5. Low values like this are used where more current must flow, for example as gate resistors for MOSFETs, current limiting for infrared LEDs and series damping on fast signal lines.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 56 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 56 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum current at full rating:\u003c\/strong\u003e about 94 mA (I = √(P ÷ R))\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 56 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGate resistors for MOSFETs driven by Arduino pins or driver ICs\u003c\/li\u003e\n\u003cli\u003eCurrent limiting for infrared LEDs rated for higher currents\u003c\/li\u003e\n\u003cli\u003eSeries damping resistors on fast signal and clock lines\u003c\/li\u003e\n\u003cli\u003eLow-value loads and biasing in audio and transistor circuits\u003c\/li\u003e\n\u003cli\u003eElectronics education and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 56 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Watch the power with low values: 5 V placed directly across 56 Ω drives about 89 mA and 0.45 W, close to the 0.5 W limit, so always check P = V² \/ R. For a standard 20 mA LED on 5 V, use a larger value such as 150 Ω to 330 Ω instead.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509126996102,"sku":"10250433","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_370a24ec-8014-4327-985b-a68bb414bef2.jpg?v=1745909589"},{"product_id":"resistor-0-5w-62","title":"Resistor 0.5W 62 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 62 ohm\u003c\/strong\u003e is a through-hole fixed resistor with a resistance of 62 Ω and a power rating of 0.5 W, sold in a pack of 5. The 0.5 W rating handles more heat than common 0.25 W parts, so it suits low-value jobs with more current, such as limiting LED current on 3.3 V boards, small loads and series resistors in power circuits.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 62 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 62 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 62 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent limiting for red, yellow or green LEDs on 3.3 V boards (about 20 mA)\u003c\/li\u003e\n\u003cli\u003eGate resistors for MOSFETs\u003c\/li\u003e\n\u003cli\u003eSmall dummy loads for testing circuits\u003c\/li\u003e\n\u003cli\u003eSeries resistors in snubber and filter networks\u003c\/li\u003e\n\u003cli\u003eElectronics education and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 62 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity, so they can be fitted either way round. With 5 V across it, a 62 Ω resistor dissipates about 0.4 W, which is within its 0.5 W rating; above about 5.6 V across the resistor the rating would be exceeded.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509127028870,"sku":"10250440","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_ac087bca-c0f9-4b6e-9176-9ca35a0daa00.jpg?v=1745909590"},{"product_id":"resistor-0-5w-68","title":"Resistor 0.5W 68 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 68 ohm\u003c\/strong\u003e is a through-hole fixed resistor with a resistance of 68 Ω and a power rating of 0.5 W, sold in a pack of 5. It is a useful low value for driving LEDs from 3.3 V boards such as the ESP32, for MOSFET gate resistors and for limiting current to small loads in low-voltage electronics.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 68 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 68 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 68 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent limiting for red, yellow and green LEDs on 3.3 V (about 19 mA)\u003c\/li\u003e\n\u003cli\u003eTwo red LEDs in series on 5 V (about 15 mA)\u003c\/li\u003e\n\u003cli\u003eGate resistors for MOSFETs driven from Arduino or ESP32 pins\u003c\/li\u003e\n\u003cli\u003eSeries resistors for signal lines and small loads\u003c\/li\u003e\n\u003cli\u003eElectronics education and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 68 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity, so they can be fitted either way round. With 68 Ω, the 0.5 W limit is reached at about 5.8 V across the resistor (P = V² \/ R), so check the power before using it with anything above 5 V.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509127061638,"sku":"10250457","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_e990c681-1752-4d4d-a49c-14b669c24449.jpg?v=1745909591"},{"product_id":"resistor-0-5w-75","title":"Resistor 0.5W 75 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 75 ohm\u003c\/strong\u003e is a through-hole fixed resistor with a resistance of 75 Ω and a power rating of 0.5 W, sold in a pack of 5. 75 Ω matches the characteristic impedance of standard video and TV coaxial cable, so it is the usual value for terminating composite video lines. It is also useful for current limiting in 3.3 V and 5 V LED and transistor circuits.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 75 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 75 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum current:\u003c\/strong\u003e about 80 mA at the full 0.5 W rating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour code:\u003c\/strong\u003e violet, green, black (4-band) or violet, green, black, gold (5-band), plus a tolerance band\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 75 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTerminating 75 Ω composite video and coaxial lines\u003c\/li\u003e\n\u003cli\u003eCurrent limiting for LEDs on 3.3 V supplies\u003c\/li\u003e\n\u003cli\u003eSeries resistors in transistor and MOSFET drive circuits\u003c\/li\u003e\n\u003cli\u003eSmall loads and dividers in low-voltage circuits\u003c\/li\u003e\n\u003cli\u003eElectronics education and repair work\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 75 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e From a 3.3 V supply, a 75 Ω resistor with a red LED (about 2 V) gives roughly 17 mA. Do not use it with blue or white LEDs on 5 V without checking: the current would be close to 27 mA, above the usual 20 mA limit.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509127094406,"sku":"10250464","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_90a23328-d918-4fb2-af6b-ec6999c64393.jpg?v=1745909591"},{"product_id":"resistor-0-5w-82","title":"Resistor 0.5W 82 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 82 ohm\u003c\/strong\u003e is a through-hole fixed resistor with a resistance of 82 Ω and a power rating of 0.5 W, sold in a pack of 5. Low values like 82 Ω are used to set LED current from 3.3 V microcontroller pins, as gate resistors for MOSFETs and wherever a small series resistance is needed to limit current in low-voltage circuits.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 82 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 82 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 82 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent limiting for red, yellow and green LEDs on 3.3 V (about 16 mA)\u003c\/li\u003e\n\u003cli\u003eTwo red LEDs in series on 5 V (about 12 mA)\u003c\/li\u003e\n\u003cli\u003eGate resistors for MOSFETs driven from microcontroller pins\u003c\/li\u003e\n\u003cli\u003eSeries resistors for signal lines and small loads\u003c\/li\u003e\n\u003cli\u003eElectronics education and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 82 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity, so they can be fitted either way round. With 82 Ω, the 0.5 W limit is reached at about 6.4 V across the resistor (P = V² \/ R), so it is best kept to 3.3 V and 5 V circuits unless you check the power first.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509127127174,"sku":"10250471","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_ca6649f4-1ce6-4327-9fb1-4b562623930b.jpg?v=1745909592"},{"product_id":"resistor-0-5w-91","title":"Resistor 0.5W 91 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 91 ohm\u003c\/strong\u003e is a through-hole fixed resistor with a resistance of 91 Ω and a power rating of 0.5 W, sold in a pack of 5. This low value is used for limiting LED current from 3.3 V supplies, as a gate resistor for MOSFETs and in current sources, where you need a few tens of milliamps to flow.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 91 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 91 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum current:\u003c\/strong\u003e about 74 mA at the 0.5 W rating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 91 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent limiting for a red LED on 3.3 V: (3.3 V − 2.0 V) \/ 91 Ω ≈ 14 mA\u003c\/li\u003e\n\u003cli\u003eGate resistors for power MOSFETs driven from Arduino or ESP32 pins\u003c\/li\u003e\n\u003cli\u003eSetting an LM317 constant-current source to about 14 mA (1.25 V \/ 91 Ω)\u003c\/li\u003e\n\u003cli\u003eSeries resistors on signal and data lines\u003c\/li\u003e\n\u003cli\u003eElectronics education and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 91 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity, so they can be fitted either way round. With 91 Ω the 0.5 W limit is reached at about 6.7 V across the resistor: 5 V across it is fine (about 0.27 W), but 12 V across it would need a higher-wattage part.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509127159942,"sku":"10250488","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_110f9564-dfc4-4287-9d66-a81df35ed35b.jpg?v=1745909593"},{"product_id":"resistor-0-5w-100","title":"Resistor 0.5W 100 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 100 ohm\u003c\/strong\u003e is a through-hole fixed resistor with a resistance of 100 Ω and a power rating of 0.5 W, sold in a pack of 5. Low values like 100 Ω are used where only a little current limiting is needed, such as LEDs on low-voltage supplies, MOSFET gate resistors and series protection on signal lines.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 100 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 100 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 100 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent limiting for red and green LEDs on 3.3 V supplies\u003c\/li\u003e\n\u003cli\u003eGate resistors for MOSFETs driven from Arduino or ESP32 pins\u003c\/li\u003e\n\u003cli\u003eSeries resistors to protect signal and data lines\u003c\/li\u003e\n\u003cli\u003eLoad and shunt resistors for simple current tests\u003c\/li\u003e\n\u003cli\u003eElectronics education and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 100 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity, so they can be fitted either way round. With 100 Ω the 0.5 W limit is reached at only about 7 V across the resistor (70 mA), so check the power with P = V² \/ R before using it on 9 V or 12 V supplies.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509173297286,"sku":"10250495","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_23d3c92f-7843-4db5-9412-5fa875d7ce3e.jpg?v=1745909594"},{"product_id":"resistor-0-5w-110","title":"Resistor 0.5W 110 ohm (5 pcs)","description":"\u003cp\u003eThe \u003cstrong\u003eResistor 0.5W 110 ohm\u003c\/strong\u003e is a through-hole fixed resistor with a resistance of 110 Ω and a power rating of 0.5 W, sold in a pack of 5. It is a handy low value for setting LED current on 5 V and 3.3 V supplies, protecting microcontroller pins and terminating 110 Ω balanced lines such as AES\/EBU digital audio.\u003c\/p\u003e\u003ch2\u003eResistor 0.5W 110 ohm Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 110 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower rating:\u003c\/strong\u003e 0.5 W (1\/2 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e fixed resistor, axial leads, through-hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e breadboards, perfboards and PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack size:\u003c\/strong\u003e 5 pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eResistor 0.5W 110 ohm Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurrent limiting for blue and white LEDs on 5 V (about 18 mA)\u003c\/li\u003e\n\u003cli\u003eCurrent limiting for red, yellow and green LEDs on 3.3 V (about 12 mA)\u003c\/li\u003e\n\u003cli\u003eTermination for 110 Ω balanced digital audio (AES\/EBU) lines\u003c\/li\u003e\n\u003cli\u003eSeries resistors that protect microcontroller pins\u003c\/li\u003e\n\u003cli\u003eElectronics education and prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e5 × 110 Ω 0.5 W resistors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Resistors have no polarity, so they can be fitted either way round. With 110 Ω, the 0.5 W limit is reached at about 7.4 V across the resistor (P = V² \/ R), so calculate the power before using it with 9 V or 12 V supplies.\u003c\/p\u003e","brand":"Beirut ElectroCity","offers":[{"title":"Default Title","offer_id":41509127192710,"sku":"10250501","price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/products\/f00f9dfeb2aa9bb7ae270a7a406ef544_011ba08c-08b6-47d5-ac0a-aa4f07430e99.jpg?v=1745909595"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1909\/3589\/collections\/1280px-Electronic-Axial-Lead-Resistors-Array_jpg.jpg?v=1790339098","url":"https:\/\/bec-lb.com\/collections\/resistor.oembed?page=11","provider":"Beirut ElectroCity","version":"1.0","type":"link"}