BUY BCX70 https://www.utsource.net/itm/p/11276464.html
BCX70 NPN Transistors(BJT) 45V 100mA/0.1A 100-250MHz 30~630 100-550mV SOT-23/SC-59 marking AL43 generalswitch and amplifier
Package: SOT-23/SC-59 Manufacturer: NXP/Philips Description: The BCX70 is a PNP silicon epitaxial planar transistor designed for use in general purpose amplifier and switching applications. Features: Low collector-emitter saturation voltage High current gain High breakdown voltage Low noise Low collector-emitter leakage current High hFE High power dissipation Applications: Audio amplifiers High speed switching General purpose amplifiers Low noise amplifiers Voltage regulators Motor control circuits (For reference only)