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10pcs (5PCS 2SA1837 + 5PCS 2SC4793) TO-220 NPN PNP Transistor Kit Bipolar Junction BJT Triode Tube Fets DIY Integrated Circuits - AliExpress
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10 PZ 2SC4793 2SA1837 230V 1A TO220F Transistor a 3 Pin (Size : 2SA1837) : Amazon.it: Commercio, Industria e Scienza
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