The FF450R12ME4E_B11 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 450 A, Peak Collector Current 900 A, DC Forward Current 450 A. More details for FF450R12ME4E_B11 can be seen below.