The IFS150B12N3E4_B31 from Infineon Technologies is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 1.75 to 2.15 V, DC Collector Current 150 A, Peak Collector Current 300 A, DC Forward Current 150 A. More details for IFS150B12N3E4_B31 can be seen below.