The STGB20NB41LZ from STMicroelectronics is a IGBT with Gate Emitter Voltage 12 to 16 V, Saturated Collector Emitter Voltage 1.1 to 2 V, DC Collector Current 20 to 40 A, Gate Emitter Leakage Current 300 to 1000 uA, Operating Temperature -55 to 175 Degree C. More details for STGB20NB41LZ can be seen below.