BUY K2645 https://www.utsource.net/itm/p/11614622.html

Description: K2645 is a TO-220F package transistor manufactured by Fuji. Features: K2645 has a collector-emitter voltage of 600V and a collector current of 4A. It also has a power dissipation of 40W and a junction temperature of 150°C. Applications: K2645 is used in power switching applications, such as motor control, relay control, and solenoid control. It can also be used in power amplifiers, audio amplifiers, and other high-power applications. (For reference only)