The FZ1800R45HL4_S7 from Infineon Technologies is a IGBT with Gate Emitter Voltage -20 to 20 V, Saturated Collector Emitter Voltage 2.15 to 3.15 V, DC Collector Current 1800 A, Peak Collector Current 3600 A, DC Forward Current 1800 A. More details for FZ1800R45HL4_S7 can be seen below.