RNWA automotive grade thin film resistors for precision high power applications
For precision applications requiring surface mount chip resistors with high power demands, self-heating often leads to elevated circuit temperatures.
Wide terminations offer an efficient and cost-effective solution for minimising power-related heat. By reversing the chip resistor's geometry and placing the terminations along its long sides, the hot spot temperature is reduced by 30% to 40%.
Stackpole’s RNWA series is available in the following size / power rating combinations:
- 0612 rated at 1W
- 1020 rated at 1.5W
- 1225 rated at 2W
In addition to operating at cooler temperatures, the RNWA series is anti-sulphur and provides precision tolerances as low as 0.1% and TCR down to 25ppm. Its lower thermal resistance ensures stable and reliable performance at full power. These characteristics make the RNWA ideal for precision, high-power applications such as EV power systems, electric power trains, medical devices, and precision industrial and motor control.
Pricing for the RNWA varies with size, tolerance, and TCR.
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