BUY 2SD1614 https://www.utsource.net/itm/p/11285020.html
2SD1614 NPN Transistors(BJT) 40V 2A 200MHz 300~600 300mV/0.3V SOT-89 marking XK radio power amplifier switch
Description: 2SD1614 is a NPN silicon epitaxial transistor manufactured by NEC.
Features:
High breakdown voltage
Low collector-emitter saturation voltage
High transition frequency
High current gain
Low noise
Applications:
Audio amplifiers
High frequency amplifiers
Switching applications
(For reference only)