The FGW40N65WD from Fuji Electric is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 1.8 to 2.2 V, DC Collector Current 40 to 56 A, DC Forward Current 20 to 31 A, Junction Temperature -40 to 175 Degree C. More details for FGW40N65WD can be seen below.