The STGWA40H120DF2 from STMicroelectronics is a IGBT with Gate Emitter Voltage -30 to 30 V, Saturated Collector Emitter Voltage 2.1 V, DC Collector Current 40 to 80 A, DC Forward Current 40 to 80 A, Junction Temperature -55 to 175 Degree C. More details for STGWA40H120DF2 can be seen below.