The CM300DX-34SA from Mitsubishi Electric is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 1.9 to 2.5 V, DC Collector Current 300 A, Junction Temperature 175 Degree C, Gate Emitter Leakage Current 0.5 uA. More details for CM300DX-34SA can be seen below.