Potential NASA Commercial Applications: The SiC RHBD power devices developed during this SBIR program is fundamental to a wide range of NASA PMAD and motor control applications. For DC-DC converters, the SiC power devices will connect power sources in a wide variety of NASA mission with various loads like electric propulsion, communications systems, instruments and actuators. The radiation-hardness, high-temperature capability, fast switching speeds, compact form factor and low mass offered by the proposed SiC MOSFET power converters will be invaluable for future NASA science missions. Switchmode power supplies improved by high frequency, high temperature power switches developed in this program are critical for NASA synthetic aperture RADAR's (SAR) antenna array T/R modules. T/R modules typically operate in a pulsed mode, drawing current pulses from a power supply on a periodic basis determined by the operation of the overall RADAR system.