Diode Symbols

The diode is a semiconductor device that allows the current flow in one direction only.
Valve electronic with two electrodes called anode or plate and cathode electrode that uses the rectifying properties of a material type P and N semiconductor.

Symbology of Diodes

Symbol Description Symbol Description
Diode symbol, generic symbol Diode (rectifier diode)
Generic symbol
  Diode symbol Diode (rectifier diode)
Generic symbol
Diode symbol Diode (rectifier diode)   Zener diode symbol Zener diode
Generic symbol
Zener diode symbol Zener diode   Zener diode symbol Zener diode
Zener diode symbol Zener diode   Zener diode symbol Zener diode
Pin diode symbol Pin diode   Pin diode symbol Pin diode
Tunnel diode symbol Tunnel diode   Tunnel diode symbol Tunnel diode
Tunnel diode rectifier symbol Tunnel diode rectifier   Snap diode symbol Snap diode
Step Recovery Diode
Varicap diode symbol Varicap diode / Varactor   Varicap diode symbol Varicap diode / Varactor
Varicap diode symbol Varicap diode / Varactor   Variable voltage diode symbol Variable voltage diode
Schottky diode symbol Schottky diode   Schottky diode symbol Schottky diode
Voltage suppressor diode symbol Voltage suppressor diode   Voltage suppressor diode symbol Voltage suppressor diode
Constant Current diode symbols Constant current diode   Temperature sensitive diode symbol Temperature sensitive diode
Laser diode symbol Laser diode   Magnetically sensitive diode symbol Magnetically sensitive diode
Photo-Diode symbol Photo-diode   Símbolo del foto-diodo bidireccional Bidirectional photo-diode
Photo-diode common cathode symbol Photo-diode common cathode   Photo-diode common cathode symbol Photo-diode common cathode
LED symbol Light-emitting diode - LED   LED bicolor symbol Light-emitting diode - LED
Bicolor, depends on the polarity
Display LED, 7 segments symbol Display LED, 7 segments   LED display, alphanumeric symbol LED display, alphanumeric
NPN breakdown diode symbol NPN breakdown diode   PNP breakdown diode symbol PNP breakdown diode
Triode PNPN symbol Triode PNPN      

Bridge Rectifier Symbols

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Graetz bridge symbol Graetz bridge
Double wave rectifier bridge with 4 Diodes
  Graetz bridge symbol Graetz bridge
Double wave rectifier bridge with 4 Diodes
Full-wave rectifier stage Full-wave rectifier stage   Adjustable single-phase rectifier Adjustable single-phase rectifier
Adjustable three-phase rectifier Adjustable three-phase rectifier      
Picture gallery of diodes
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