BUY IRFP23N50 https://www.utsource.net/itm/p/1868399.html
Power MOSFET(Vdss=500V, Rds(on)=0.190ohm, Id=23A)
Description: N-Channel Power MOSFET Features: Low On-Resistance Low Gate Charge Fast Switching 100% Avalanche Tested RoHS Compliant Applications: Switching Regulators Motor Controls Solenoid/Relay Drivers High Speed Power Switches Uninterruptible Power Supplies (UPS) High Frequency DC-DC Converters (For reference only)