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Easy Transistor Tester

Easy Transistor Tester

+N25647N412131114N1123N38910+R110KLED1R2470ΩCBEBATT.9VS1ON/OFFSWITCHIC1 (N1-N4) = CD4093*TUT = TANSISTOR UNDER TESTC20.47μ16VC1100μ16V*TUTEasy Transistor Tester
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publish time: 2020-10-21
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Using this circuit, check whether a given transistor is good or bad before soldering. This circuit can easily identify npn and pnp types. The tester will indicate the position of the pin and the working condition of the transistor through the LED.

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