The DG20X06T1 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 42 A, Junction Temperature -40 to 175 Degree C, Gate Emitter Leakage Current 0.4 uA. More details for DG20X06T1 can be seen below.