The FF900R12IE4V from Infineon Technologies is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 1.75 to 2.10 V, DC Collector Current 900 A, Peak Collector Current 1800 A, DC Forward Current 900 A. More details for FF900R12IE4V can be seen below.