Term · General Industry
PN junction
The boundary between p-type and n-type regions, where a depletion region forms and current flows readily in only one direction. It is the rectifying element behind diodes, solar cells, LEDs and the isolation inside every transistor.
- Also known as
- p-n junction, Diode junction
- Type
- Term
- Domain
- General Industry, Device physics
Notes
A forward-biased silicon junction drops roughly 0.7 V, a number that appears in almost every analogue design discussion.
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Part of the General Industry glossary, with every term in the topic and the lifecycles, tools and standards that use them.
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