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Symbology Basic Electrical and Electronic: Symbols Passive Components

This document provides an overview of common symbols used in basic electrical and electronic diagrams. It includes symbols for passive components like resistors and capacitors, active components like diodes and transistors, logic gates, electrical test and measurement equipment, and other basic symbols. The document is an index of typical symbols and their meanings used in schematics.

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132 views6 pages

Symbology Basic Electrical and Electronic: Symbols Passive Components

This document provides an overview of common symbols used in basic electrical and electronic diagrams. It includes symbols for passive components like resistors and capacitors, active components like diodes and transistors, logic gates, electrical test and measurement equipment, and other basic symbols. The document is an index of typical symbols and their meanings used in schematics.

Uploaded by

ken
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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Symbology Basic Electrical and Electronic

Symbol Description Symbol Description

Symbols passive components

Resistor Resistor
IEC system NEMA system
+ symbols + symbols

Inductor / Coil Capacitor


+ symbols + symbols

Switch Circuit switch


+ symbols + symbols

Plug
Pushbutton
IEC system
+ symbols
+ symbols
Female plug
Fuse
IEC system
+ symbols
+ symbols

Plug
Electric line
NEMA system
+ symbols
+ symbols

Female plug
Ground
NEMA system
+ symbols
+ symbols

Symbols active components

Diode Diac
+ symbols + symbols

Thyristor Triac
+ symbols + symbols
IC / Chip Amplifier
+ symbols + symbols

Electric generator Battery


+ symbols + symbols

Vacuum tube / Electron tube


Transistor
e.g. Diode
+ symbols
+ symbols

Symbols of Logic Gates (Digital electronic)

AND gate OR gate


ANSI system ANSI system
+ symbols + symbols

NAND gate NOR gate


ANSI system ANSI system
+ symbols + symbols
Logic inverter Display 7-segment LED
+ symbols + symbols

AND gate OR gate


British system British system
+ symbols + symbols

AND gate OR gate


NEMA system NEMA system
+ symbols + symbols

Electrical test & control equipment symbols

Ammeter Voltmeter
+ symbols + symbols

Ohmmeter Frequency meter


+ symbols + symbols
Wattmeter Electric clock
+ symbols + symbols

Electrical counter / Integrator Recording instrument


The asterisk is replaced by the The asterisk is replaced by
letter or symbol for the the letter or symbol of the
quantity count magnitude recorded
+ symbols + symbols

Other basic electrical and electronic symbols

Antenna / Aerial Speaker


+ symbols + symbols

Microphone Lamp / Light Bulb


+ symbols + symbols

Direct current, DC Alternating current, AC


+ symbols + symbols
Positive polarity Negative polarity
+ symbols + symbols

Piezoelectric crystal Relay (Coil and Switch)


+ symbols + symbols

Electric transformer Electric motor


+ symbols + symbols

Index of all Electrical and Electronic Symbols

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