The IRHYS67134CM R6 N-channel MOSFET is rad hard and has a voltage rating of 150V and a current rating of 19A. It comes in a TO-257AA low ohmic package and has been tested for electrical performance up to 100krad(Si) TID. Its low RDS(on) and faster switching times make it ideal for high-speed switching applications like DC-DC converters and motor controllers.