The FGH40T120SQDNL4 from onsemi is a IGBT with Gate Emitter Voltage -30 to 30 V, Saturated Collector Emitter Voltage 1.78 V, DC Collector Current 40 A, Junction Temperature -55 to 175 Degree C, Collector Emitter Voltage 1200 V. More details for FGH40T120SQDNL4 can be seen below.