BUY 2SB1571 https://www.utsource.net/itm/p/11289278.html
2SB1571 PNP transistors(BJT) -50V -5.5mA 150MHz 160~320 -550mV/-0.55V SOT-89/SC-62 marking FY
Description: 2SB1571 is a PNP silicon epitaxial transistor manufactured by NEC. Features: - High DC current gain - Low collector-emitter saturation voltage - High breakdown voltage - Low noise Applications: - Audio amplifiers - Switching regulators - Motor control circuits - High-speed switching circuits (For reference only)