⚡ Circuit-Wise

Symbol Library

Common electrical and electronic schematic symbols, organized by category.

Sources

Schematic symbol for an AC voltage source

AC Source

Schematic symbol for a battery (DC voltage source)

Battery

Schematic symbol for a DC voltage source

DC Source

Schematic symbol for an electrical generator

Generator

Measurement

Schematic symbol for an ammeter

Ammeter

Schematic symbol for an ohmmeter

Ohmmeter

Schematic symbol for a voltmeter

Voltmeter

Transformers

Schematic symbol for an autotransformer

Autotransformer

Schematic symbol for a transformer

Transformer

Output Devices

Schematic symbol for a buzzer

Buzzer

Schematic symbol for a lamp or light

Lamp

Schematic symbol for an electric motor

Motor

Schematic symbol for a speaker

Speaker

Passive Components

Schematic symbol for a capacitor

Capacitor

Schematic symbol for an inductor

Inductor

Schematic symbol for a potentiometer

Potentiometer

Schematic symbol for a fixed resistor

Resistor

Schematic symbol for a variable resistor (rheostat)

Variable Resistor

Protection

Schematic symbol for a circuit breaker

Circuit Breaker

Schematic symbol for a fuse

Fuse

Schematic symbol for an earth ground connection

Ground

Schematic symbol for a surge protector (MOV/TVS)

Surge Protector

Wiring

Schematic symbol for a conductor or wire

Conductor (Wire)

Schematic symbol for a wire junction or node

Junction (Node)

Schematic symbol indicating no electrical connection

No Connection

Schematic symbol for a terminal or connection point

Terminal

Semiconductors

Schematic symbol for a diode

Diode

Schematic symbol for a light-emitting diode (LED)

LED

Schematic symbol for a photodiode

Photodiode

Schematic symbol for an NPN bipolar junction transistor

NPN Transistor

Schematic symbol for a PNP bipolar junction transistor

PNP Transistor

Schematic symbol for a Zener diode

Zener Diode

Switches

Push Button

Schematic symbol for a relay coil

Relay Coil

Schematic symbol for a single-pole double-throw switch

SPDT Switch

Schematic symbol for a single-pole single-throw switch

SPST Switch