Transistor

Kitman · 2007-07-18 20:25

Is there a different between PNP and NPN transistors? I am wondering if it would make a difference if you switched a PNP for a NPN in the circuit. All advice and insight welcome.

Martin Hebel · 2007-07-18 20:39

Is there a difference? Very much so! NPN's require a more positive voltage on the base (The P in NPN).as compared to the emitter.

The PNP requires a more negative voltage on the base as compared to the emitter.

Here's some basic info:
http://www.kpsec.freeuk.com/components/tran.htm

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Transistor

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