The FZ900R12KP4 from Infineon Technologies is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 1.70 to 2.10 V, DC Collector Current 900 A, Peak Collector Current 1800 A, DC Forward Current 900 A. More details for FZ900R12KP4 can be seen below.