The SK25GB12T4 from Semikron Danfoss is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 1.85 to 2.45 V, DC Collector Current 37 A, Junction Temperature -40 to 175 Degree C, Gate Emitter Leakage Current 0.12 uA. More details for SK25GB12T4 can be seen below.