frm9240.pdf datasheet:

FRM9240D, FRM9240R,FRM9240H7A, -200V, 0.720 Ohm, Rad Hard,June 1998 P-Channel Power MOSFETsFeatures Package 7A, -200V, RDS(on) = 0.720TO-204AA Second Generation Rad Hard MOSFET Results From New Design Concepts Gamma - Meets Pre-Rad Specifications to 100KRAD(Si)- Defined End Point Specs at 300KRAD(Si) and 1000KRAD(Si)- Performance Permits Limited Use to 3000KRAD(Si) Gamma Dot - Survives 3E9RAD(Si)/sec at 80% BVDSS Typically- Survives 2E12 Typically If Current Limited to IDM Photo Current - 5.0nA Per-RAD(Si)/sec Typically Neutron - Pre-RAD Specifications for 1E13 Neutrons/cm2- Usable to 1E14 Neutrons/cm2DescriptionSymbolIntersil has designed a series of SECOND GENERATION hardened power MOS-FETs of both N and P channel enhancement types with ratings from 100V to 500V,1A to 60A, and on resistance as low as 25m. Total dose har