2512 SMD Alloy Power Shunt Resistor 1W 0.025 Ohm R025
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Prices updated: 13 Oct 2026
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About this product
A 2512 SMD alloy power shunt resistor rated at 1 W with a 0.025 Ohm value, marked R025. Its low resistance makes it suitable for sensing current in battery packs, DC motor drivers and power supply circuits where the voltage drop must stay small.
Specifications
- Resistance
- 0.025 Ohm
- Power rating
- 1 W
- Package
- 2512 (6.4 x 3.2 mm)
- Marking
- R025
- Type
- Alloy power shunt
Frequently asked questions
What current can this 0.025 Ohm shunt handle at 1 W?
At 0.025 Ohm, 1 W corresponds to about 6.32 A (square root of 1 W divided by 0.025 Ohm). Use a lower operating current and allow margin for temperature rise.
What voltage drop does it produce at 4 A?
At 4 A, the drop is 0.1 V (4 A multiplied by 0.025 Ohm). This small signal must be amplified before an ADC can read it accurately.
