The GD300HTY120C7S from StarPower is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 1.7 to 2.15 V, DC Collector Current 483 A, Junction Temperature 175 Degree C, Gate Emitter Leakage Current 0.4 uA. More details for GD300HTY120C7S can be seen below.