The FZ800R45KL3_B5 from Infineon Technologies is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 2.50 to 3.70 V, DC Collector Current 800 A, Peak Collector Current 1600 A, DC Forward Current 800 A. More details for FZ800R45KL3_B5 can be seen below.