BUY ZTX651 https://www.utsource.net/itm/p/282178.html
NPN SILICON PLANAR MEDIUM POWER TRANSISTORS
The ZTX651 is a NPN silicon epitaxial planar transistor manufactured by Zetex. It is designed for use in general purpose switching and amplifier applications. Description: The ZTX651 is a general purpose NPN transistor with a wide range of applications. It features a low noise figure, high gain, and low saturation voltage. Features: rn Low noise figure rn High gain rn Low saturation voltage rn High frequency operation rn Low power consumption rn High voltage capability Applications: The ZTX651 is suitable for use in a wide range of applications, including switching, amplifier, and signal processing circuits. It is also suitable for use in power supplies, motor control, and other high voltage applications. (For reference only)