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Transistor Symbols

The Transistor is a semiconductor device provided with three terminals called base, emitter and collector. It is used to work in electronic circuits as a rectifier, amplifier, switch...
These symbols can be represented inside a circle.

Symbology of Transistors

Symbol Description Symbol Description
NPN transistor symbol NPN Transistor
Generic symbol
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  PNP transistor symbol PNP Transistor
NPN transistor symbol NPN Transistor   PNP transistor symbol PNP Transistor
PNP transistor with collector attached to the cover symbol PNP transistor with collector attached to the cover   Tunnel Transistor symbol Tunnel Transistor
Tunnel field-effect Transistor
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Unijunction transistor UJT-P symbol Transistor UJT canal P
Unijunction Transistor
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  Unijunction transistor UJT-N symbol Transistor UJT canal N
Unijunction Transistor
Photo-Transistor symbol Photo-Transistor
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  Multiemisor NPN transistor symbol Multiemisor NPN transistor
Avalanche Transistor NPN symbol Avalanche Transistor NPN
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  NPN Schottky transistor symbol Schottky transistor NPN
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JFET transistor symbols, N channel JFET transistor, N channel
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  JFET transistor symbols, P channel JFET transistor, P channel
JFET transistor symbols, N channel JFET transistor, N channel   JFET transistor symbols, P channel JFET transistor, P channel
JFET transistor symbols, N channel JFET transistor, N channel   JFET transistor symbols, P channel JFET transistor, P channel
PUT, Programmable UJT symbol PUT, Programmable UJT
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  NPN Darlington transistor symbol NPN Darlington transistor
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NPN Darlington transistor symbol NPN Darlington transistor   Sziklai transistor symbol Sziklai transistor
Symbols of transistors MOSFET and IGFET
Picture gallery of transistor and transistor MOSFET - IGFET
Symbol download
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