The GD900HFY120P1S 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 1522 A, Junction Temperature 175 Degree C, Gate Emitter Leakage Current 0.4 uA. More details for GD900HFY120P1S can be seen below.