BUY 2N5638 https://www.utsource.net/itm/p/1480569.html
JFET Chopper Transistors
Description: The 2N5638 is a PNP Silicon Transistor designed for general purpose amplifier and switching applications. Features: Low Collector-Emitter Saturation Voltage High DC Current Gain Low Noise High DC Current Gain High Power Dissipation Low Collector-Base Voltage Applications: General Purpose Amplifier Switching Applications Audio Amplifier High Voltage Switching Low Noise Amplifier (For reference only)