fsf254r transistor of datasheet pdf FSF254RManufacturer : Intersil Corporation Description : 250V, 0.170 Hard, SEGR Resistant, N-Channel Power MOSFETs FSF254RManufacturer : IntersilDescription : 18A, 250V, 0.170 Ohm, Rad Hard, SEGR Resistant, N-Channel Power MOSFETs