The GD1200HFY120C3S 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 2230 A, Junction Temperature 175 Degree C, Gate Emitter Leakage Current 0.4 uA. More details for GD1200HFY120C3S can be seen below.