BUY KRC105S https://www.utsource.net/itm/p/11273671.html
KRC105S NPN Bipolar Digital Transistor (BRT) 100mA/0.1A 2.2k 47k SOT-23/SC-59 marking NE switch interface circuit driver circuit
Description: NPN Silicon Epitaxial Planar Transistor Features: - Low Collector-Emitter Saturation Voltage - High DC Current Gain - High Switching Speed - Low Collector Output Capacitance - Low Noise Applications: - General Purpose Amplifier - Switching - Interface Circuit - Driver Circuit (For reference only)