The GD450HFX65C6S from StarPower is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 1.45 to 1.9 V, DC Collector Current 536 A, Junction Temperature 175 Degree C, Gate Emitter Leakage Current 0.4 uA. More details for GD450HFX65C6S can be seen below.