Amazon.com: NPN PNP Switching Transistor Set, Power transistors Assorted Assortment Box Kit, Range 2N2222-S9015 & BC327-BC558, 24Value, Pack of 960 : Industrial & Scientific
IIVVERR 2SB857-4A -70V Fast Switching Speed Semiconductor PNP Power Transistor 2 Pcs (2SB857-4A -70V Transistor de potencia PNP de semiconductores de velocidad de conmutación rápida 2 piezas - Amazon.com