BUY BCV49 https://www.utsource.net/itm/p/21958.html
NPN Darlington transistorsNPN
Package: SOT-89 Manufacturer: Philips Description: The BCV49 is a NPN silicon planar epitaxial transistor from Philips. Features: Low noise High gain Low collector-emitter saturation voltage High DC current gain Low collector-base capacitance High transition frequency Applications: Audio amplifiers High-frequency switching High-speed switching High-frequency amplifiers Low-noise amplifiers (For reference only)