BUY 2SD999 https://www.utsource.net/itm/p/11283793.html
2SD999 NPN Transistors(BJT) 30V 1A 130MHz 200~400 210mV/0.21V SOT-89 marking CK
Description: NPN Silicon Transistor Features: Low Collector-Emitter Saturation Voltage High DC Current Gain High DC Current Gain High Collector-Emitter Voltage Low Collector-Base Voltage Application: Audio Amplifier High Frequency Amplifier Switching Applications (For reference only)