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Basic In Circuit Transistor Tester NPN/PNP 2 x LED [ Unassembled kit ] - - Amazon.com
Bridgold 10pcs(5pcs 2SA1943+5pcs 2SC5200) PNP NPN High Power Matched Audio Transistor Silicon Precision,3-Pin.: Amazon.com: Industrial & Scientific
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Amazon.com: Non Contact Liquid Level Sensor Contactless Water Tank Water Level Sensor for Tank Water Level Control PNP/NPN(XKC-Y26-NPN) : Industrial & Scientific
LARSEBEI 600-Piece 15 Values Transistors Assortment Kit Box Including 2N2222-S9018 NPN PNP Power General Purpose Transistors: Amazon.com: Industrial & Scientific
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