View stb55nf06 datasheet:

STB55NF06 STB55NF06-1 STP55NF06 STP55NF06FP N-CHANNEL 60V - 0.015 ? - 50A TO-220/TO-220FP/I?PAK/D?PAK STripFET™ II POWER MOSFET TYPE VDSS RDS(on) ID TO-220FP STP55NF06 60 V <0.018 ? 50 A STB55NF06-1 60 V <0.018 ? 50 A STB55NF06 60 V <0.018 ? 50 A STP55NF06FP 60 V <0.018 ? 50 A(*) 3 3 TO-220 2 2 1 1 TYPICAL RDS(on) = 0.015 ? EXCEPTIONAL dv/dt CAPABILITY 100% AVALANCHE TESTED SURFACE-MOUNTING D2PAK (TO-263) 3 POWER PACKAGE IN TUBE (NO SUFFIX) OR 1 3 IN TAPE & REEL (SUFFIX “T4”) 2 1 D?PAK I?PAK THROUGH-HOLE I?PAK (TO-262) POWER TO-263 TO-262 PACKAGE IN TUBE (SUFFIX “-1") (Suffix “T4”) (Suffix “-1”) DESCRIPTION INTERNAL SCHEMATIC DIAGRAM This Power MOSFET is the latest development of ST- Microelectronis unique "Single Feature Size™" strip- based pr