The GD600SGX170C2S from StarPower is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 1.85 to 2.35 V, DC Collector Current 958 A, Junction Temperature 175 Degree C, Gate Emitter Leakage Current 0.4 uA. More details for GD600SGX170C2S can be seen below.