BUY SPB21N50C3 https://www.utsource.net/itm/p/682092.html
N-Channel MOSFETs >500V…900V; Package: PG-TO263-3; VDS max: 500.0 V; Package: D2PAK TO-263; RDSON @ TJ=25°C VGS=10: 190.0 mOhm; IDmax @ TC=25°C: 21.0 A; IDpuls max: 63.0 A;
Description: The SPB21N50C3 is an N-channel MOSFET transistor manufactured by Infineon. Features: Low on-resistance Low gate charge Low input capacitance Avalanche rated Fast switching Ease of paralleling Applications: Switching applications Motor control Power management Uninterruptible power supplies (UPS) DC-DC converters Automotive applications (For reference only)