The GD600SGU120C2S from StarPower is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 2.9 to 3.6 V, DC Collector Current 830 A, Junction Temperature 175 Degree C, Gate Emitter Leakage Current 0.4 uA. More details for GD600SGU120C2S can be seen below.