The VS-GT55NA120UX from Vishay is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 2.39 V, DC Collector Current 47 A, DC Forward Current 59 to 87 A, Junction Temperature -40 to 150 Degree C. More details for VS-GT55NA120UX can be seen below.