SMD R2512 1W Power Resistor 51 Kohm 1%
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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 at 51 kOhm with ±1% tolerance and a 100 ppm/°C temperature coefficient. It suits voltage dividers, pull-up or bias networks and current-limiting circuits that need a larger SMD body than 0805 or 0603 parts can offer.
Specifications
- Package
- R2512
- Power rating
- 1 W
- Resistance
- 51 kOhm
- Tolerance
- ±1%
- Temperature coefficient
- 100 ppm/°C
- Operating temperature
- -55 to 155 °C
Frequently asked questions
What is the advantage of the R2512 package over smaller SMD resistors?
The R2512 body is about 6.4 x 3.2 mm, which allows it to dissipate 1 W. Smaller packages such as 0805 or 0603 have much lower power ratings, so R2512 is used where heat dissipation matters.
Can a 51 kOhm resistor be used as an I2C pull-up?
It is generally too weak for standard I2C buses, which usually use pull-ups in the 2.2 kOhm to 10 kOhm range. A 51 kOhm value is better suited to high-impedance biasing or voltage dividers.
