200Pcs PNP NPN Transistor Silica Gel Power Transistor Assortment Kit for Student Experiment, Maintenance and Production: Amazon.com: Industrial & Scientific
Bridgold 10pcs MJE3055T MJE3055 NPN Bipolar (BJT) Single Transistor,10 A/60V,is Designed for General Purpose of Amplifier andswitching Applications: 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
Amazon.com: NPN PNP Switching Transistor Set, Power transistors Assorted Assortment Box Kit, Range 2N2222-S9015 & BC327-BC558, 24Value, Pack of 960 : 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