BUY SSTA06 https://www.utsource.net/itm/p/11275275.html
SSTA06 NPN Transistors(BJT) 80V 500mA/0.5A 100MHz 100 250mV/0.25V SOT-23/SC-59/SMT3 marking R1G
Manufacturer: ROHM Package: SOT-23/SC-59/SMT3 Description: NPN Transistor Features: Low collector-emitter saturation voltage Low collector-emitter leakage current High current gain Low noise High frequency operation High reliability High temperature operation Applications: Audio amplifiers Switching circuits Motor control circuits High frequency circuits Low frequency circuits Power supply circuits (For reference only)