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User:Rob Kam/sandbox0/Electronic symbol

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Electronic symbols are graphical representations used to depict electronic components, devices, and circuits in circuit diagrams and schematics. These symbols help engineers, technicians, and hobbyists communicate and understand the design and functionality of electronic circuits. Electronic symbols should be intuitive, allowing users to grasp their meaning at a glance.

Common electronic symbols

These symbols are standardized, and various organizations, such as the International Electrotechnical Commission (IEC) and the Institute of Electrical and Electronics Engineers (IEEE), provide guidelines for their use. It's essential to understand these symbols when reading or creating circuit diagrams to design and troubleshoot electronic circuits. The following is a selection of some of the most common symbols.

Component Unit Symbol
Resistor, IEEE and IEC style Ohm    
Potentiometer, IEEE and IEC style Ohm    
Trimmer resistor, IEC style Ohm
 
Capacitor Farad
 
Polarised capacitor Farad
 
Variable capacitor Farad
 
Trimmer capacitor Farad
 
Inductor Henry
 
Magnetic core inductor Henry
 
Transformer with two secondary windings  — 
 
Quartz crystal Herz
 
Diode  — 
 
 
Schottky diode  — 
 
 
Zener diode  — 
 
 
Varactor diode  — 
 
 
LED  — 
 
 
NPN bipolar junction transistor  — 
 
 
PNP bipolar junction transistor  — 
 
 
N-channel JFET  — 
 
P-channel JFET  — 
 
Operational Amplifier  — 
 
Microphone, IEEE and IEC style Ohm
 
 
Loudspeaker Ohm
 
Single cell and battery Volt
 
 
Incandescent light bulb Watt
 
Voltmeter and ammeter
 
 
Push-to-make switch, push-to break switch, IEEE style  — 
 
 
SPST and SPDT switch  — 
 
 
DPST and DPDT switch  — 
 
 
DPST and DPDT relay  — 
 
 
TS and TRS jack socket  — 
 
 
DC barrel connector, positive tip  — 
 
Voltage source and current source  — 
 
 
Fuse, IEEE and IEC style Amp
 
 
Antenna  — 
 
Earth  — 
 
Chassis ground  — 
 
Wires crossing and junction  — 
 
 

See also

References

Further reading

External links

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