Diode Symbols

 

Diode Symbols

Diode schematic symbols of electronic circuit - Diode, LED, Zener diode, Schottky diode, photodiode, ...

Left - Anode, Right - Cathode.

Symbol Name Description
diode symbol Diode Diode allows current flow in one direction only (left to right).
zener diode Zener Diode Allows current flow in one direction, but also can flow in the reverse direction when above breakdown voltage
schottky diode symbol Schottky Diode Schottky diode is a diode with low voltage drop
varicap diode symbol Varactor / Varicap Diode Variable capacitance diode
tunnel diode symbol Tunnel Diode  
led symbol Light Emitting Diode (LED) LED emits light when current flows through
photodiode symbol Photodiode Photodiode allows current flow when exposed to light

 

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See also

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