BUY A1930 , C5171 https://www.utsource.net/itm/p/8847897.html

A1930 is a NPN silicon epitaxial planar transistor manufactured by ROHM Semiconductor. It is designed for use in general purpose amplifier and switching applications. Features: High DC Current Gain Low Collector-Emitter Saturation Voltage High Breakdown Voltage Low Noise High Reliability Low Power Consumption TO-220F Package Applications: Audio Amplifiers General Purpose Amplifiers Switching Applications (For reference only)