BUY 2N6762 https://www.utsource.net/itm/p/377290.html
500V Single N-Channel Hi-Rel MOSFET in a TO-204AA package; A 2N6762 with Standard Packaging
Description: The 2N6762 is a NPN silicon power transistor designed for use in general purpose amplifier and switching applications. Features: Low collector-emitter saturation voltage High current gain Low collector-emitter leakage current High frequency operation High power dissipation Hermetically sealed package Applications: Audio amplifiers Motor control Switching applications Power supplies High voltage power switching circuits (For reference only)