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)