Transistor Assortment, Npn Transistor Transistors Assortment Kit for Industry for Plug Transistor for PNP Transistor for 2n3904 Npn Transistor: Amazon.com: Industrial & Scientific
NTE Electronics 2N3417 Silicon NPN Transistor for General Purpose Amplifier, 500 mA, 50V (Pack of 5): Amazon.com: Industrial & Scientific
Amazon.com: Major Brands MPSA14 NPN Silicon Transistor, 30V, Through Hole Mount, 5.33 mm H x 4.19 mm W x 5.2 mm L (Pack of 20) : Industrial & Scientific
Transistor 2N3904 Bipolar (BJT) NPN General Purpose (Pack of 50): Transistor Pnp: Amazon.com: Industrial & Scientific