The IGW40T120 from Infineon Technologies is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 1.7 to 2.3 V, DC Collector Current 40 to 75 A, Junction Temperature 150 Degree C, Gate Emitter Leakage Current 0.6 uA. More details for IGW40T120 can be seen below.