The SKM400GAR125D from Semikron Danfoss is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 3.3 to 4.55 V, DC Collector Current 400 A, Junction Temperature -40 to 150 Degree C, Collector Emitter Voltage 1200 V. More details for SKM400GAR125D can be seen below.