PNP Bipolar Junction Transistor BJTs are three terminal devices that behave like NPN BJTs (usually studied first) and primarily covered on my Bipolar Junction Transistors BJT BJTs page. PNP BJTs however, operate using opposite polarities of current flow than the NPN. The PNP collector needs to be more negative than the emitter, and the current flow between them is controlled by a negative current flow from base to emitter.

PNP 2N2907 Bipolar Junction Transistor BJT BJTs gain demonstration beginner learning electronics video below. Click here to watch directly on YouTube!

PNP Not Gate using 2N2907 bipolar junction transistor BJT BJTS for beginner learning electronics video below. Click to watch directly on YouTube!


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Multimeter voltage measurements 2N2907 PNP BJT BJTs NOT gate video below. Click here to watch directly on YouTube!

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