Resistor 0.25W 510 ohm (10 pcs)

The Resistor 0.25W 510 ohm is a through-hole fixed resistor with a resistance of 510 Ω and a power rating of 0.25 W, sold in a pack of 10. This E24 value sits just above 470 Ω, so it is useful for LED indicators on 5 V and 9 V circuits, transistor base resistors and voltage dividers that need a value close to 500 Ω.

Resistor 0.25W 510 ohm Specifications

• Resistance: 510 Ω
• Power rating: 0.25 W (1/4 W)
• Type: fixed resistor, axial leads, through-hole
• Colour code: green, brown, brown (4-band) or green, brown, black, black (5-band), followed by a tolerance band
• Fits: breadboards, perfboards and PCBs
• Pack size: 10 pieces

Resistor 0.25W 510 ohm Applications

• LED current limiting on 5 V and 9 V supplies
• Base resistors for transistors driven by microcontrollers
• Voltage dividers and level shifting
• Series resistors that protect inputs during testing
• Electronics education and prototyping

What's in the Box

• 10 × 510 Ω 0.25 W resistors

Tip: Resistors have no polarity, so they can be fitted either way round. With 510 Ω, the 0.25 W limit is reached at about 11.3 V across the resistor (about 22 mA). A red LED on 9 V through 510 Ω draws about 14 mA; on 12 V it would draw about 20 mA and the resistor would run close to its limit, so use a higher value there.

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