Automotive Thick Film Power Resistors Vishay/Sfernice Automotive Thick Film Power Resistors offer high reliability and power/pulse capabilities in very compact packages. A high power-to-size ratio makes them a preferred solution in pulse handling applications. Offered in AEC-Q200-qualified DPak, D2Pak, and TO247 packages, these compact resistors can replace five to twenty chip resistors on a PCB.