50PCS/Lot Transistor kit BC547 and BC557, 2N5551 and 2N5401 ,BD140 and BD139 NPN PNP Transistor TO-92/126 Triode Transistor set

50PCS/Lot Transistor kit BC547 and BC557, 2N5551 and 2N5401 ,BD140 and BD139 NPN PNP Transistor TO-92/126 Triode Transistor set

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