Transistors, Bipolar (BJT) Transistors, 2N2222AUB, Microchip

 2N2222 Series 50 V 800 mA 500 mW Surface Mount NPN Switching Transisto

https://www.futureelectronics.com/p/semiconductors--discretes--transistors--bipolar-transistors/2n2222aub-microchip-4047117