Resistor 0.5W 270 ohm (5 pcs)

The Resistor 0.5W 270 ohm is a through-hole fixed resistor with a resistance of 270 Ω and a power rating of 0.5 W, sold in a pack of 5. It is a popular choice for limiting the current through indicator LEDs and 7-segment displays on 5 V Arduino and logic circuits, where it gives a safe current of around 11 mA for a red LED.

Resistor 0.5W 270 ohm Specifications

• Resistance: 270 Ω
• Power rating: 0.5 W (1/2 W)
• Type: fixed resistor, axial leads, through-hole
• Fits: breadboards, perfboards and PCBs
• Pack size: 5 pieces

Resistor 0.5W 270 ohm Applications

• Current limiting for LEDs and 7-segment display segments
• Series resistors protecting microcontroller pins
• Base resistors for transistors switching small loads
• Setting current in simple transistor circuits
• Electronics education and prototyping

What's in the Box

• 5 × 270 Ω 0.5 W resistors

Tip: To choose an LED resistor, use R = (supply voltage − LED voltage) / current: with 5 V and a red LED (about 2 V), 270 Ω gives about 11 mA. The 0.5 W limit is reached at about 11.6 V across the resistor, so check the power (P = V² / R) at higher voltages.

Orders placed before 14:00 are ready for pickup the same day. Delivery across Lebanon usually takes 1–3 working days.