The CM300DY-24A from Mitsubishi Electric is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 2.1 to 3 V, DC Collector Current 300 A, Junction Temperature -40 to 150 Degree C, Gate Emitter Leakage Current 0.5 uA. More details for CM300DY-24A can be seen below.