BC548 NPN Transistor: Datasheet, Equivalent, and Circuit
BC548B BC548 Fairchild NPN Siliconn Transistor 10 pieces DONT BE FOOLED BY FAKES | eBay
Juried Engineering BC548B BC548 Transistor NPN TO-92 30V 100ma General Purpose Transistors (Pack of 50): Amazon.com: Industrial & Scientific
Major Brands BC548B NPN Switch Transistor, TO-92, 500mW, 0.1A, 3 Pin, 4.58 mm H x 3.86 mm W x 4.58 mm L (Pack of 40) : Industrial & Scientific - Amazon.com