Resistor 8 ohm 0.25 W
🔧 Carbon Film Resistor – 0.25 W Through‑Hole (Axial)
Overview
A standard 0.25 W (¼ W) through-hole carbon film resistor, widely used in electronics for basic current limiting, voltage division, signal conditioning, and pull-up/down applications. Available in a wide range of resistance values and favored for its low cost, compact size, and reliable performance.
Key Features
Power Rating: 0.25 W (¼ W)
Tolerance: ±5% (standard grade)
Carbon film composition on ceramic core
Axial through-hole design with solderable leads
Broad resistance range from 1 Ω to 10 MΩÂ
Compact size: approx. 5 mm × 2 mm body, 25 mm leads
Rugged epoxy coating, marked by colored bands for value
Technical Specifications
| Parameter | Value |
|---|---|
| Power Rating | 0.25 W |
| Tolerance | ±5% (also available in ±2%) |
| Voltage Rating | Max 250 V DC, Dielectric withstand 500 V |
| Operating Temp Range | –55 °C to +155 °C |
| Life & Stability | Stable long-term, low noise, conforms to IEC standards |
Wiring & Usage
Connect in series to limit current (e.g., LEDs, sensors).
Use in resistor dividers, timing circuits, filters.
No polarity; standard axial solder into PCBs or perfboards.
Example – LED application
For a 5 V supply and 10 mA current:
Applications
LED current limiting
Pull-up/pull-down resistors in digital logic
RC timing circuits and audio filters
Signal conditioning in analog circuits
Educational kits and prototype boards