SMD R2512 1W Power Resistor 22R ±1% (Marking 220)
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Prices updated: 14 Oct 2026
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About this product
A 1 W SMD power resistor in the R2512 package, rated for 22 Ω with ±1% tolerance, a 100 ppm/°C temperature coefficient and an operating range of -55 to 155 °C. Suited to low-value power circuits, current-sense style setups and damping networks where a higher power rating than 0805 or 1206 parts is needed.
Specifications
- Package
- R2512
- Power rating
- 1 W
- Resistance
- 22 Ω
- Tolerance
- ±1%
- Temperature coefficient
- 100 ppm/°C
- Operating temperature
- -55 to 155 °C
- SMD marking
- 220
Frequently asked questions
How do I read the SMD marking on this resistor?
The first two digits are significant figures and the third is the power of ten, in ohms. Marking 220 means 22 × 10⁰ = 22 Ω.
Can I use it to replace a smaller resistor?
Electrically yes, if the value matches and the dissipation stays within 1 W. The R2512 footprint is larger than 0805 or 1206, so check the PCB pads before fitting it.