The SKM400GARL066T from Semikron Danfoss is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 1.45 to 2.1 V, DC Collector Current 504 A, Junction Temperature -40 to 175 Degree C, Collector Emitter Voltage 600 V. More details for SKM400GARL066T can be seen below.