In summary, PATT is a high temperature precision chip resistor series. They operate up to 155ºC at 100% rated power. This series is Automotive AEC-Q200 qualified and has an intrinsic moisture protected tantalum nitride resistive film. Finally, the PATT series has a 0.2% stability at 1000 hours at 155ºC at 100% rated power and is sulfur resistant which make this product perfect for automotive applications.