The F3L300R12ME4_B22 from Infineon Technologies is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 1.75 to 2.1 V, DC Collector Current 300 A, Peak Collector Current 600 A, DC Forward Current 300 A. More details for F3L300R12ME4_B22 can be seen below.