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Bridgold 20PCS BD139NPN BD140PNP (10PCS BD139 + 10PCS BD140) Single Transistor, General Purpose 80V 1.5A: Amazon.com: Industrial & Scientific
TIP31C Power TRANSISTORS(3A,100V,40W)NPN: Amazon.com: Industrial & Scientific
3 Pieces TIP120 Power Darlington Transistors: Amazon.com: Industrial & Scientific
Transistor 2N3904 Bipolar (BJT) NPN General Purpose (Pack of 50): Transistor Pnp: Amazon.com: Industrial & Scientific
Amazon.com: Aexit BT138-600F 600V Transistors 12A High Voltage Semiconductor 3 Terminal NPN MOSFET Transistors Power Transistor : Industrial & Scientific
New 100 X 2N5551 NPN General Purpose Transistor TO-92: 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
2N3904 NPN Small Signal Transistor: Electronics: Amazon.com: Industrial & Scientific