Catalog of Electrical Symbols

Quickly and interactively explore our library of standard elements and symbology for engineering projects.

AND

Electrical / Logic Gates

Buffer

Electrical / Logic Gates
DQQ

D Type Flip-Flop

Electrical / Sequential Logic
DQQ

D Type Flip-Flop With Clear

Electrical / Sequential Logic
DQQSR

D Type RS Flip-Flop

Electrical / Sequential Logic

Inverter

Electrical / Logic Gates

Inverting Contact

Electrical / Switches & Protection
JKQQ

JK Flip-Flop

Electrical / Sequential Logic
JKQQC

JK Flip-Flop With Clear

Electrical / Sequential Logic
JKQQSR

JK Flip-Flop With SR

Electrical / Sequential Logic

NAND

Electrical / Logic Gates

OR

Electrical / Logic Gates

NOR

Electrical / Logic Gates
SRQQ

RS Latch

Electrical / Sequential Logic
SRQQ

RS Latch (Synchronous)

Electrical / Sequential Logic

Schmitt Trigger

Electrical / Sequential Logic
TQQ

T Type Flip-Flop

Electrical / Sequential Logic

XOR

Electrical / Logic Gates

XNOR

Electrical / Logic Gates
AND

AND (IEC)

Electrical / Logic Gates
NAND

NAND (IEC)

Electrical / Logic Gates
1

OR (IEC)

Electrical / Logic Gates
1

NOR (IEC)

Electrical / Logic Gates
=1

NOT (IEC)

Electrical / Logic Gates
=1

XOR (IEC)

Electrical / Logic Gates
1202193184175166157148139121011
IC

Dual In-Line IC

Electrical / IC Packages
2516261527142813291230113110329124223322421520619718817
IC

Quad Flat Package IC

Electrical / IC Packages

Resistor (Modelo 1)

Electrical / Logic Gates

Resistor (Modelo 2)

Electrical / Logic Gates

Potentiometer (Modelo 1)

Electrical / Resistors

Potentiometer (Modelo 2)

Electrical / Resistors

Potentiometer (Trimmer) (Modelo 1)

Electrical / Resistors

Potentiometer (Trimmer) (Modelo 2)

Electrical / Resistors

Resistor (Trimmer) (Modelo 1)

Electrical / Logic Gates

Resistor (Trimmer) (Modelo 2)

Electrical / Logic Gates

Resistor (Variable) (Modelo 1)

Electrical / Logic Gates

Resistor (Variable) (Modelo 2)

Electrical / Logic Gates

Resistor (Instrument_Relay Shunt)

Electrical / Logic Gates

Attenuator

Electrical / Logic Gates

Resistor (Adjustable Contact)

Electrical / Logic Gates

Resistor (Shunt)

Electrical / Logic Gates

Varistor (Symmetrical)

Electrical / Logic Gates

Resistor (Tapped)

Electrical / Logic Gates

Resistor (Nonlinear)

Electrical / Logic Gates

Memristor (Modelo 1)

Electrical / Logic Gates

Memristor (Modelo 2)

Electrical / Logic Gates

Magnetoresistor

Electrical / Logic Gates

Photoconductive Transducer (Symmetrical)

Electrical / Optoelectronics

Capacitor (US) (Modelo 1)

Electrical / Logic Gates

Capacitor (US) (Modelo 2)

Electrical / Logic Gates

Electrolytic Capacitor (US) (Modelo 1)

Electrical / Logic Gates

Capacitor (UK)

Electrical / Logic Gates

Electrolytic Capacitor (US) (Modelo 2)

Electrical / Logic Gates

Capacitor

Electrical / Logic Gates

Differential Capacitor

Electrical / Logic Gates

Tuning Variable Capacitor (US) (Modelo 1)

Electrical / Logic Gates

Tuning Variable Capacitor (US) (Modelo 2)

Electrical / Logic Gates

Trimmer Variable Capacitor (US) (Modelo 1)

Electrical / Logic Gates

Trimmer Variable Capacitor (US) (Modelo 2)

Electrical / Logic Gates

Feed Through Capacitor

Electrical / Logic Gates

Ganged Capacitor

Electrical / Logic Gates

Multiple Capacitor

Electrical / Logic Gates

Multiple Electrolytic Capacitor (Common Negative)

Electrical / Logic Gates

Multiple Electrolytic Capacitor (Common Positive)

Electrical / Logic Gates

Inductor (Air Core) (Modelo 1)

Electrical / Logic Gates

Inductor (Air Core) (Modelo 2)

Electrical / Logic Gates

Inductor (Air Core) (Modelo 3)

Electrical / Logic Gates

Variable Inductor

Electrical / Logic Gates

Ferrite Core

Electrical / Logic Gates

Iron Core

Electrical / Logic Gates

Magnetic Core

Electrical / Logic Gates

Transformer (Iron Core) (Modelo 1)

Electrical / Logic Gates

Transformer (Iron Core) (Modelo 2)

Electrical / Logic Gates

Half Inductor

Electrical / Logic Gates

Transformer

Electrical / Logic Gates

Inductor

Electrical / Logic Gates

Choke

Electrical / Inductors & Transformers

Variometer

Electrical / Inductors & Transformers

Coaxial Choke

Electrical / Inductors & Transformers

Transductor

Electrical / Logic Gates

Saturating Transformer

Electrical / Logic Gates

Potential Transformer

Electrical / Logic Gates

Pot. Trans. 3 Windings

Electrical / Misc

Transformer (Current Source)

Electrical / Logic Gates

Adjustable Transformer

Electrical / Logic Gates

1-Phase Induction Voltage Regulator

Electrical / Logic Gates

Triplex Induction Voltage Regulator

Electrical / Logic Gates

Induction Voltage Regulator

Electrical / Logic Gates

Current Transformer (Modelo 1)

Electrical / Logic Gates

Current Transformer (Modelo 2)

Electrical / Logic Gates

Current Transformer (Modelo 3)

Electrical / Logic Gates

Potential Transformer (Inductors)

Electrical / Logic Gates

Outdoor Metering Device

Electrical / Logic Gates

Linear Coupler

Electrical / Optoelectronics

SPDT

Electrical / Misc

Pushbutton On

Electrical / Switches & Protection

Pushbutton Off

Electrical / Switches & Protection

Single Switch On

Electrical / Switches & Protection

Single Switch Off

Electrical / Switches & Protection

Switch Disconnector On

Electrical / Logic Gates

Switch Disconnector Off

Electrical / Logic Gates

Fuse Off

Electrical / Switches & Protection

Fuse On

Electrical / Switches & Protection

Liquid Level Actuated On (Estilo 1)

Electrical / Misc

Liquid Level Actuated Off (Estilo 1)

Electrical / Misc

Liquid Level Actuated On (Estilo 2)

Electrical / Misc

Liquid Level Actuated Off (Estilo 2)

Electrical / Misc

Gas Flow Actuated On

Electrical / Misc

Gas Flow Actuated Off

Electrical / Misc

Flow Actuated On

Electrical / Misc

Flow Actuated Off

Electrical / Misc

Pressure Actuated On

Electrical / Misc

Pressure Actuated Off

Electrical / Misc

Temperature Actuated On

Electrical / Misc

Temperature Actuated Off

Electrical / Misc

Safety Interlock On

Electrical / Misc

Safety Interlock Off

Electrical / Misc

Temperature Switch On

Electrical / Switches & Protection

Temperature Switch Off

Electrical / Switches & Protection

Thermostat On

Electrical / Misc

Thermostat Off

Electrical / Misc

Limit Switch On

Electrical / Switches & Protection

Limit Switch Off

Electrical / Switches & Protection

Circuit Breaker On

Electrical / Switches & Protection

Circuit Breaker Off

Electrical / Switches & Protection

Selector Switch (3 positions)

Electrical / Logic Gates

Selector Switch (4 positions)

Electrical / Logic Gates

Selector Switch (6 positions)

Electrical / Logic Gates

Shorting Selector

Electrical / Logic Gates

Proximity Limit Switch On

Electrical / Switches & Protection

Proximity Limit Switch Off

Electrical / Switches & Protection

Inertia Switch On

Electrical / Switches & Protection

Inertia Switch Off

Electrical / Switches & Protection

Pushbutton Break On

Electrical / Switches & Protection

Pushbutton Break Off

Electrical / Switches & Protection

Manual Switch On

Electrical / Switches & Protection

Manual Switch Off

Electrical / Switches & Protection

Make Contact

Electrical / Switches & Protection

Break Contact

Electrical / Switches & Protection

Two Way Contact (Neutral)

Electrical / Switches & Protection

Two Way Contact (Estado 1)

Electrical / Switches & Protection

Two Way Contact (Estado 2)

Electrical / Switches & Protection

Passing Make-Contact On

Electrical / Switches & Protection

Passing Make-Contact Off

Electrical / Switches & Protection

Stay Put

Electrical / Misc

DPST On

Electrical / Misc

DPST Off

Electrical / Misc

Spring Return On

Electrical / Misc

Spring Return Off

Electrical / Misc

Limit Switch NC

Electrical / Switches & Protection

Limit Switch NO

Electrical / Switches & Protection

DPDT (Estado 1)

Electrical / Misc

DPDT (Estado 2)

Electrical / Misc

2-Position Switch (Estado 1)

Electrical / Switches & Protection

2-Position Switch (Estado 2)

Electrical / Switches & Protection

3-Position Switch (Estado 1)

Electrical / Switches & Protection

3-Position Switch (Estado 2)

Electrical / Switches & Protection

3-Position Switch (Estado 3)

Electrical / Switches & Protection

4-Position Switch (Estado 1)

Electrical / Switches & Protection

4-Position Switch (Estado 2)

Electrical / Switches & Protection

4-Position Switch (Estado 3)

Electrical / Switches & Protection

4-Position Switch (Estado 4)

Electrical / Switches & Protection

Pushbutton Make (Estado 1)

Electrical / Switches & Protection

Pushbutton Make (Estado 2)

Electrical / Switches & Protection

Pushbutton 2-Circuit (Estado 1)

Electrical / Switches & Protection

Pushbutton 2-Circuit (Estado 2)

Electrical / Switches & Protection

Time Delay Break

Electrical / Misc

Time Delay Make

Electrical / Misc

Time Delay Make (Estilo 2)

Electrical / Misc

Time Delay Break (Estilo 2)

Electrical / Misc

Isolator Off

Electrical / Logic Gates

Isolator On

Electrical / Logic Gates

Changeover Contact (Estado 1)

Electrical / Switches & Protection

Changeover Contact (Estado 2)

Electrical / Switches & Protection

Reed Switch On

Electrical / Switches & Protection

Reed Switch Off

Electrical / Switches & Protection

Relay Coil

Electrical / Relays

Relay

Electrical / Relays

Relay Contacts

Electrical / Switches & Protection

Resonator

Electrical / Logic Gates

Pilot Light

Electrical / Lamps & Lighting

Relay Coil (Estilo 2)

Electrical / Relays

Mercury Switch (Estilo 1)

Electrical / Switches & Protection

Mercury Switch (Estilo 2)

Electrical / Switches & Protection

PN Diode

Electrical / Diodes

Gunn Diode

Electrical / Diodes

Schottky Diode

Electrical / Diodes

Breakdown Diode

Electrical / Diodes

Tunnel Diode 1

Electrical / Diodes

Tunnel Diode 2

Electrical / Diodes

Field Effect Diode

Electrical / Diodes

Varactor - Varicap

Electrical / Logic Gates

Zener Diode 1

Electrical / Diodes

Zener Diode 2

Electrical / Diodes

Four Layer Diode

Electrical / Diodes

Transorb 1

Electrical / Logic Gates

Transorb 2

Electrical / Logic Gates

Source (AC)

Electrical / Sources

Source (DC1)

Electrical / Sources

Source (DC3)

Electrical / Sources

Source (Dependent)

Electrical / Sources

Source (DC2 Dependent)

Electrical / Sources

Source (DC3 Dependent)

Electrical / Sources

Source (Noise)

Electrical / Sources

Source (Ideal)

Electrical / Sources

Source (ExpSquib)

Electrical / Sources

Current Source

Electrical / Sources

DC Source

Electrical / Sources

Accumulator _ Monocell Battery

Electrical / Logic Gates

Battery Stack

Electrical / Sources

Multicell Battery Tapped

Electrical / Sources

Source, Square

Electrical / Sources

Source, Triangular

Electrical / Sources

Source, Sawtooth

Electrical / Sources

Source, Pulse

Electrical / Sources

Source, Inverse Pulse

Electrical / Sources

Source, Chopped Square

Electrical / Sources

Source, Step On

Electrical / Sources

Source, Step Off

Electrical / Sources

Source, DC Vertical

Electrical / Sources

BJT (NPN) (Estilo 1)

Electrical / Transistors

BJT (NPN) (Estilo 2)

Electrical / Transistors

NIGBT

Electrical / Transistors

BJT (PNP) (Estilo 1)

Electrical / Transistors

BJT (PNP) (Estilo 2)

Electrical / Transistors

PIGBT

Electrical / Transistors

N Channel JFET

Electrical / Transistors

P Channel JFET

Electrical / Transistors

MOSFET (N)

Electrical / Transistors

MOSFET (P)

Electrical / Transistors

NMOS (IC)

Electrical / Transistors

PMOS (IC)

Electrical / Transistors

MOSFET No Bulk (N)

Electrical / Transistors

MOSFET No Bulk (P)

Electrical / Transistors

Dual Gate MOSFET (N)

Electrical / Logic Gates

Dual Gate MOSFET (P)

Electrical / Logic Gates

NMOS

Electrical / Transistors

NMOS with Bulk

Electrical / Transistors

PMOS

Electrical / Transistors

PMOS with Bulk

Electrical / Transistors
A

Ammeter

Electrical / Measuring Instruments

Galvanometer

Electrical / Measuring Instruments

Oscilloscope

Electrical / Measuring Instruments

Signal Generator

Electrical / Logic Gates
V

Voltmeter

Electrical / Measuring Instruments

Antenna (Modelo 1)

Electrical / Antennas

Antenna (Modelo 2)

Electrical / Antennas

Loop Antenna (Modelo 1)

Electrical / Antennas

Loop Antenna (Modelo 2)

Electrical / Antennas
M

Electrical Motor

Electrical / Logic Gates

Motor Armature

Electrical / Logic Gates

Co-Ax

Electrical / Misc

Crystal

Electrical / Crystals & Resonators

Fuse (IEC)

Electrical / Switches & Protection

Fuse (IEEE) (Modelo 1)

Electrical / Switches & Protection

Fuse (obsolete)

Electrical / Switches & Protection

Fuse (IEEE) (Modelo 2)

Electrical / Switches & Protection

Light Bulb

Electrical / Lamps & Lighting

Illuminating Bulb

Electrical / Lamps & Lighting

Pilot Light (Misc)

Electrical / Lamps & Lighting

Neon Lamp

Electrical / Lamps & Lighting

Flourescent Lamp

Electrical / Lamps & Lighting

Lamp

Electrical / Lamps & Lighting

Thermocouple

Electrical / Thermal

Amplifier

Electrical / Amplifiers

Controlled Amplifier

Electrical / Amplifiers

DAC

Electrical / Amplifiers
01S0
Mux

Mux

Electrical / Amplifiers
01S0
Demux

Demux

Electrical / Amplifiers

Operational Amp (Modelo 1)

Electrical / Amplifiers

Operational Amp (Modelo 2)

Electrical / Amplifiers

OTA (Modelo 1)

Electrical / Amplifiers

OTA (Modelo 2)

Electrical / Amplifiers

OTA (Modelo 3)

Electrical / Amplifiers

Quantizer

Electrical / Misc

Delta

Electrical / Misc
fn

Function

Electrical / Misc

Integrator

Electrical / Logic Gates

Multiplier

Electrical / Misc

Sum

Electrical / Misc

Summation Point

Electrical / Misc

Filter

Electrical / Filters

Bandpass Filter

Electrical / Logic Gates

Highpass Filter

Electrical / Filters

Lowpass Filter

Electrical / Filters
\temp\

Thermistor With Independent Integral Heater

Electrical / Logic Gates

Voltage Regulator

Electrical / Logic Gates
Vss

Vss

Electrical / Ground & Supply
Vdd

Vdd

Electrical / Ground & Supply
5 mA

Current Flow

Electrical / Misc
1.2 V

Voltage

Electrical / Misc

Equipotential (Modelo 1)

Electrical / Ground & Supply

Equipotential (Modelo 2)

Electrical / Ground & Supply

Ground

Electrical / Ground & Supply

Chassis

Electrical / Ground & Supply

Circuit Breaker (Misc)

Electrical / Switches & Protection

Generic Component

Electrical / IC Packages

Permanent Magnet

Electrical / Misc

Thermal Element

Electrical / Thermal

Igniter Plug

Electrical / Connectors

Pickup Head

Electrical / IC Packages

Squib Ignitor

Electrical / Logic Gates

Transducer (Modelo 1)

Electrical / Misc

Transducer (Modelo 2)

Electrical / Misc

Thermopile

Electrical / Thermal

Indicator

Electrical / Logic Gates

Surge Protector (Modelo 1)

Electrical / Logic Gates

Surge Protector (Modelo 2)

Electrical / Logic Gates

Material

Electrical / Misc

Sensing Link Squib

Electrical / Misc

Delay Element

Electrical / Misc

Buzzer (Misc)

Electrical / Audio

Adapter

Electrical / Misc

Circuit Terminal

Electrical / Connectors

M_F Contact

Electrical / Switches & Protection

M_F Contact 2

Electrical / Switches & Protection

Terminal Board

Electrical / Connectors

Cable Termination

Electrical / Misc

2-Conductor Jack

Electrical / Logic Gates

3-Conductor Jack

Electrical / Logic Gates

2-Conductor Plug

Electrical / Logic Gates

3 Conductor Plug

Electrical / Logic Gates

Normalled Jacks

Electrical / Logic Gates

Normalled Jack

Electrical / Logic Gates

Coaxial Outside Conductor

Electrical / Logic Gates

Coaxial Center Conductor

Electrical / Logic Gates

Large D Connector

Electrical / Logic Gates

Small D Connector

Electrical / Logic Gates

C Header Connector

Electrical / Logic Gates

AC Out

Electrical / Misc

Shielded Jack_Plug

Electrical / Connectors

Coaxial Jack_Plug

Electrical / Connectors

F_M 2 Conductor (Modelo 1)

Electrical / Logic Gates

F_M 2 Conductor (Modelo 2)

Electrical / Logic Gates

F_M 2 Conductor (Modelo 3)

Electrical / Logic Gates

F_M 3 Conductor (Modelo 1)

Electrical / Logic Gates

F_M 3 Conductor (Modelo 2)

Electrical / Logic Gates

F_M 3 Conductor (Modelo 3)

Electrical / Logic Gates

F_M 3 Conductor (Modelo 4)

Electrical / Logic Gates

F_M 3 Conductor (Modelo 5)

Electrical / Logic Gates

Plug-Socket Connection

Electrical / Connectors

Dipole

Electrical / Antennas

Electret Microphone

Electrical / Audio

Microphone (Modelo 1)

Electrical / Audio

Microphone (Modelo 2)

Electrical / Audio

Piezo Sounder

Electrical / Audio

Buzzer (Audio)

Electrical / Audio

Loudspeaker

Electrical / Audio

Headphones

Electrical / Audio

Bell

Electrical / Audio

Contact

Electrical / Switches & Protection

Contact (N)

Electrical / Switches & Protection

Output (N) (Modelo 1)

Electrical / Misc

Output (N) (Modelo 2)

Electrical / Misc

Output (Modelo 1)

Electrical / Misc

Output (Modelo 2)

Electrical / Misc

7 Segment Display

Electrical / Displays

7 Segment Display with DP

Electrical / Displays

9 Segment Display

Electrical / Displays

9 Segment Display with DP

Electrical / Displays

LED (Modelo 1)

Electrical / Displays

LED (Modelo 2)

Electrical / Displays

Light Activated SCR

Electrical / Lamps & Lighting

Opto-coupler

Electrical / Optoelectronics

Opto-transistor

Electrical / Logic Gates

Photodiode

Electrical / Diodes

Photo Resistor (Modelo 1)

Electrical / Logic Gates

Photo Resistor (Modelo 2)

Electrical / Logic Gates

Photo Resistor (Modelo 3)

Electrical / Logic Gates

Solar Cell

Electrical / Optoelectronics

Diode (Vacuum)

Electrical / Diodes

Double Diode

Electrical / Diodes

Triode

Electrical / Vacuum Tubes

Double Triode

Electrical / Vacuum Tubes

Tetrode

Electrical / Vacuum Tubes

Pentode

Electrical / Vacuum Tubes

Photocell

Electrical / Optoelectronics

Pulse (Modelo 1)

Electrical / Waveforms

Pulse (Modelo 2)

Electrical / Waveforms

Sawtooth

Electrical / Waveforms

Sine Wave

Electrical / Waveforms

Chopped Square Wave

Electrical / Waveforms

Square Wave

Electrical / Waveforms

Step (Modelo 1)

Electrical / Waveforms

Step (Modelo 2)

Electrical / Waveforms
M

Rotating Machine

Electrical / Motors & Machines

Armature

Electrical / Motors & Machines

Field

Electrical / Mechanical

Permanent Magnet (Rot)

Electrical / Misc

Winding Connection

Electrical / Misc

Synchro

Electrical / Mechanical

Brake

Electrical / Mechanical

Gearing

Electrical / Mechanical

Rotation

Electrical / Amplifiers

Clutch (Modelo 1)

Electrical / Mechanical

Clutch (Modelo 2)

Electrical / Mechanical

Delayed Action

Electrical / Misc

Manual Control

Electrical / Misc

Blocking Device

Electrical / IC Packages

Latching Device

Electrical / Sequential Logic

Mechanical Interlock

Electrical / IC Packages

Automatic Return

Electrical / IC Packages

Detent

Electrical / Misc

Bus Width

Electrical / Transmission Paths

Line Concentrator

Electrical / Transmission Paths

Cable Group

Electrical / Transmission Paths

Overground Enclosure

Electrical / Transmission Paths

Optical Fiber

Electrical / Transmission Paths

Terminal (forma de elipse pequeña)

Electrical / Transmission Paths

Terminal 3 Phase

Electrical / Transmission Paths
T

Terminal (con etiqueta 'T')

Electrical / Transmission Paths

Line/Cable

Electrical / Transmission Paths

Anticreepage Device

Electrical / Transmission Paths

Test Point

Electrical / Transmission Paths

Dashed Wire

Electrical / Transmission Paths

Transmission Path

Electrical / Transmission Paths

Direction of Flow

Electrical / Transmission Paths

Straight Bus

Electrical / Transmission Paths

Elbow Bus (orientación normal)

Electrical / Transmission Paths

Elbow Bus (con inversión horizontal)

Electrical / Transmission Paths

2-Line Bus

Electrical / Transmission Paths

3-Line Bus

Electrical / Transmission Paths

4-Line Bus

Electrical / Transmission Paths

8-Line Bus

Electrical / Transmission Paths

2-Line Bus Elbow

Electrical / Transmission Paths

3-Line Bus Elbow

Electrical / Transmission Paths

4-Line Bus Elbow

Electrical / Transmission Paths

8-Line Bus Elbow

Electrical / Transmission Paths