The IXYX40N450HV from Littelfuse is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 3.9 V, DC Collector Current 40 A, Junction Temperature -55 to 175 Degree C, Gate Emitter Leakage Current -0.2 to 0.2 uA. More details for IXYX40N450HV can be seen below.