Thin film resistors are valued for their exceptional precision, stability, and performance, but they are traditionally limited to lower power ratings. This constraint has made it difficult to apply thin film technology in higher-power designs that still demand tight tolerances and long-term accuracy. By utilizing an aluminum nitride substrate with significantly higher thermal conductivity, substantially greater power handling can be achieved without sacrificing the precision for which thin film nichrome resistors are known.
Stackpole’s newly released RNAN series leverages this advanced substrate technology to deliver high-power, high-reliability thin film chip resistors. The RNAN series offers industry-leading power density with ratings up to:
*0.5 W in 0603
*1 W in 0805
*2 W in 1206
*6 W in 2512
These power levels are achieved while maintaining acceptable hot-spot and terminal temperatures — performance that is difficult to realize with conventional alumina-based high-power chip resistors.
Pricing for the RNAN varies with size, tolerance, and TCR. Contact Stackpole or one of our franchised distribution partners for specific or volume pricing.
More information about Stackpole’s RNAN thin film precision high power aluminum nitride substrate chip resistor series: https://www.seielect.com/catalog/SEI-RNAN.pdf