Juried Engineering BC548B BC548 Transistor NPN TO-92 30V 100ma General Purpose Transistors Breadboard-Friendly (Pack of 1): Amazon.com: Industrial & Scientific
Amazon.com: Phoncoo BC547+ BC557 Each 100pcs All 200pcs Bag BC547B BC557B NPN PNP Transistor TO-92 Power Triode Transistor Bag : Industrial & Scientific
Major Brands TIP102-VP Darlington NPN Transistor, 100 Volt, 8 Amp, 3-Pin, TO-220 Amp B Rail, 9.28 mm H x 4.82 mm W x 10.28 mm L (Pack of 10): Amazon.com: Industrial & Scientific
Hilitchi 250-Piece 10 Values NPN PNP Power General Purpose Transistors Assortment Kit - BC327-BC558: Amazon.com: Industrial & Scientific
Crystal Fire: The Invention of the Transistor and the Birth of the Information Age (Sloan Technology Series): Riordan, Michael, Hoddeson, Lillian: 9780393318517: Amazon.com: Books