R9 N-channel MOSFET JANSF2N7649U3 is a rad-hard, 250V, 17A device in a SMD-0.5 package with electrical performance up to 300krad(Si) TID. QPL-qualified, this superjunction device has improved immunity to SEE and optimized for high-speed switching apps, providing low RDS(on) and fast switching times. Ideal for space applications such as DC-DC converters and motor controllers, it remains voltage-controlled and temperature-stable.