Practical Electronics/Bipolar Transistors/PNP Transistor

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PNP Transistor[edit]

A PNP transistor is made by joining one Negative Typed Semiconductor in between two Positive Typed Semiconductors.

PNP BJT.svg

The symbol for a PNP Transistor:

BJT symbol PNP.svg

Transistor's Rectifier[edit]

A PNP Transistor only allows half of a negative cycle of a voltage or signal wave to pass and grounds any positive cycle of a voltage or signal wave.