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Common circuit diagram symbols (US symbols)

An electronic symbol is a pictogram used to represent various electrical and electronic devices (such as wires, batteries, resistors, and transistors) in a drawing of an electrical or electronic circuit. These symbols can (because of remaining traditions) vary from country to country, but are today to a large extent internationally standardized. Some symbols (such as those of vacuum tubes) became virtually extinct with the development of new technologies.


Standards for symbols

The IEC publishes standard 60617, which gives recommended symbols for electronic devices. The IEEE standard 315, which is also recognized as ANSI standard Y32.2, standardizes symbols usually used in North American practice. National variations to international standards also exist.

Gallery of common electronic symbols

See also

External links



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