BUY BFS20 https://www.utsource.net/itm/p/11247375.html

The BFS20 is a SOT-23 package NPN silicon epitaxial planar transistor manufactured by Changjing. It is designed for use in general purpose amplifier and switching applications. Features: * Low collector-emitter saturation voltage * High current gain * High breakdown voltage Applications: * General purpose amplifier * Switching applications * Audio amplifiers * Motor control circuits * Power management circuits (For reference only)