BUY BUX48A https://www.utsource.net/itm/p/11736078.html

Package: TO-3 Manufacturer: ST Description: BUX48A is a NPN silicon power transistor manufactured by ST. Features: High DC current gain High voltage capability Low collector-emitter saturation voltage High switching speed Low thermal resistance Applications: Switching and linear applications Motor control Lighting control Power supplies Audio amplifiers (For reference only)