The IR HiRel R9 N-channel MOSFET IRHYB9A7234CM is rad hard and rated for 250V and 17A. It comes in a TO-257AA low ohmic package with electrical performance is up to 100krad(Si) TID. With improved immunity to SEE, the low RDS(on) and fast switching times make this COTS device suitable for high-speed switching applications.