BUY K900 https://www.utsource.net/itm/p/1921931.html
SMT Development Kit
K900 is a TO-220 package transistor manufactured by Fuji. It is a NPN silicon epitaxial transistor with a maximum collector current of 1.5A. It is suitable for use in general purpose amplifier and switching applications. It has a high current gain, low collector-emitter saturation voltage, and low noise. It is also suitable for use in audio amplifiers, switching power supplies, and other high-frequency applications. (For reference only)