BUY DHCT-A3 https://www.utsource.net/itm/p/4369399.html

Description: DHCT-A3 is a three-terminal TO-3P package transistor manufactured by DENON. Features: Low collector-emitter saturation voltage High current gain High switching speed High breakdown voltage Low noise Applications: DHCT-A3 is suitable for use in high-frequency switching circuits, such as switching power supplies, motor drivers, and audio amplifiers. It can also be used in general-purpose switching applications. (For reference only)