Basic In Circuit Transistor Tester NPN/PNP 2 x LED Unassembled kit: Amazon.com: Industrial & Scientific
Major Brands TIP107. ICS and Semiconductors, Darlington PNP Transistor, 100vceo, 1000hfe, 3 Amp, 9.4 mm H x 4.83 mm W x 10.67 mm L (Pack of 10): Amazon.com: Industrial & Scientific
Bridgold 20pcs TIP31C TIP31 NPN Silicon Power Transistor,3 A 100 V TO220,3-Pin: Amazon.com: Industrial & Scientific
EEEEE 30 Kinds 300pcs Assorted Type General Purpose TO92 Transistors PNP NPN Bipolar Power Transistor Assortment Kit with Individual Compartment: Amazon.com: Industrial & Scientific
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 NTE196 NPN Silicon Complementary Transistor, Audio Power Output and Medium Power Switching, 90V, 7 Amp: Electronic Components: Amazon.com: Industrial & Scientific