The FGW40N120HD from Fuji Electric is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 1.8 to 2.34 V, DC Collector Current 40 to 70 A, DC Forward Current 30 to 52 A, Junction Temperature -40 to 175 Degree C. More details for FGW40N120HD can be seen below.