The SKM25GAH125D from Semikron Danfoss is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 3.2 to 4.2 V, DC Collector Current 39 A, Junction Temperature -55 to 155 Degree C, Collector Emitter Voltage 1200 V. More details for SKM25GAH125D can be seen below.