The IKW40N120H3 from Infineon Technologies is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 2.05 to 2.70 V, DC Collector Current 40 to 80 A, DC Forward Current 20 to 40 A, Junction Temperature 175 Degree C. More details for IKW40N120H3 can be seen below.