The CM400ST-24S1 from Mitsubishi Electric is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 1.25 to 1.75 V, DC Collector Current 400 A, Junction Temperature 175 Degree C, Gate Emitter Leakage Current 0.5 uA. More details for CM400ST-24S1 can be seen below.