BUY W15NA50 https://www.utsource.net/itm/p/253858.html
N - CHANNEL ENHANCEMENT MODE FAST POWER MOS TRANSISTOR
Description: N-Channel Power MOSFET Features: Low on-state resistance High speed switching Avalanche energy rated High temperature operation Low gate charge Applications: Switching power supplies Motor control DC-DC converters High frequency circuits Load switching (For reference only)