BUY MPS6601 https://www.utsource.net/itm/p/878238.html
Amplifier Transistors
Description: The MPS6601 is a NPN transistor manufactured by Motorola. It is a general purpose transistor with a high current gain, low saturation voltage and low collector-emitter saturation voltage. Features: Low collector-emitter saturation voltage High current gain Low noise Low power dissipation High frequency operation Applications: The MPS6601 is commonly used in power amplifiers, switching circuits, and other high-current applications. It can also be used in audio amplifiers, oscillators, and other low-noise circuits. (For reference only)