Basic In Circuit Transistor Tester NPN/PNP 2 x LED [ Unassembled kit ] - - Amazon.com
Ardest 100 Pcs Standard 2N2222 NPN TO-92 Plastic-Encapsulate Power Transistors 75V 600mA for Arduino & Raspberry Pi Projects: Amazon.com: Industrial & Scientific
NTE Electronics NTE130 Silicon Power Transistor for Audio Power Amp, Medium Speed Switch, to-3 Case, 15A Continuous Collector Current, 100V Collector- Base Voltage: Communication Integrated Circuits: Amazon.com: Industrial & Scientific
Amazon.com: Aexit 6 Pcs Transistors 13003 TO-126 NPN General Purpose Power Transistor MOSFET Transistors 500V 0.3A : Industrial & Scientific
NTE Electronics NTE102 PNP Germanium Complementary Transistor for Power Output Driver, 0.15A Continuous Collector Current, 25V Collector-Base Voltage: Communication Integrated Circuits: Amazon.com: Industrial & Scientific