BUY IRF840FI https://www.utsource.net/itm/p/1351669.html
N-CHANNEL ENHANCEMENT MODE POWER MOS TRANSISTORS
Description: This is a N-Channel MOSFET transistor with a maximum drain-source voltage of 500V and a maximum drain current of 8A. Features: Low gate charge Low on-state resistance Fast switching Avalanche rated High temperature operation Applications: DC-DC converters Motor control Power management Switching power supplies General purpose switching applications (For reference only)