The CM450DX-34T from Mitsubishi Electric is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 1.95 to 2.55 V, DC Collector Current 450 A, Junction Temperature 175 Degree C, Gate Emitter Leakage Current 0.5 uA. More details for CM450DX-34T can be seen below.