The IKW40T120 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 V, Peak Collector Current 40 to 75 A, DC Forward Current 40 to 80 A. More details for IKW40T120 can be seen below.