CRA2010/CRA2512 is a high power current sense chip resistor with special alloy resistor, power rating at 70°C is 1.5W, 3W, RoHS compliant, and is used in power supplies and stepper motor drives.
The Bourns CRA2010 and CRA2512 are high‑power current sense chip resistors designed for power supplies and stepper‑motor drives. The datasheet provides electrical characteristics, mechanical dimensions, recommended soldering profiles, and packaging information.
Key specifications include power rating, temperature range, resistance tolerance, and insulation resistance. Ordering codes, dimension drawings, and derating curves are also included to aid designers in selecting the appropriate part.
| Power Rating @ 70 °C (CRA2010) | 1.5 W |
|---|---|
| Operating Temperature Range | -55 °C to +170 °C |
| Insulation Resistance | > 100 MΩ |
| Resistance Range | 0.01 Ω – 0.100 Ω |
| Resistance Tolerance | +1 % |
| Temperature Coefficient | +75 ppm/°C |
The CRA2010 is rated for 1.5 W at 70 °C.
They operate from –55 °C up to +170 °C.
The insulation resistance is greater than 100 MΩ.
The resistance range covers 0.01 Ω to 0.100 Ω.