Component Library
Electrical Symbol Showcase
Browse reusable electrical and electronics symbols from one place. Use search and category filters to quickly find a component, inspect it, and reuse it in your diagrams.
Library Tools
Find components fast by typing a keyword or narrowing the category.
Electronics Symbols
Diodes, transistors, transformers, passive parts, and semiconductor families.
Diodes
Diode
Diode - Light Emitting (LED)
Diode - Photodiode
Diode - Zener
Thyristor Family
Diac
Triac
MOSFETs
N Channel MOSFET
P Channel MOSFET
JFETs
JFET N Channel
JFET P Channel
Transistors
Transistor NPN
Transistor PNP
Optocouplers
Optocoupler - Transistor Output
Optocoupler - Triac Output
Passive Components
Resistor
Potentiometer
Potentiometer 100 Ohm
Resistor - Light Dependent (Photo Resistor)
Inductor
Polarized Capacitor
Sources
AC Voltage Source
Battery
Battery - Single Cell
DC Voltage Source V1
Rectifiers
Bridge Rectifier
Grounds
Earth Ground
Transformers
Transformer 1P
Transformer 1P - with Center Tapping
Transformer V1
Transformer Center Tap V1
Switch Topology
SPST Symbol
SPST Switch Symbol
SPDT Symbol
SPDT Switch Symbol
DPST Symbol
DPST Switch Symbol
DPDT Symbol
DPDT Switch Symbol
Control ICs
PWM
555 Timer
Operational Amplifier
Voltage Regulator
LM317 Voltage Regulator
Core Electrical Symbols
Foundational control and power components for panels, motor starters, and schematic drafting.
Pushbuttons
Push Button NC
Push Button NO
Contactor Devices
Contactor Coil
Auxiliary Contact NO
Auxiliary Contact NC
Contactor Power Contacts 3P
Indication
Pilot Light
Motors
AC Motor 3P
AC Motor 3P - 6 Terminal
Protection Devices
Circuit Breaker 3P
MCB Control 2P
Thermal Overload NC
Thermal Overload Relay 3P
Industrial Symbols
Field devices, timers, relays, meters, sensors, switches, and industrial protection items.
Relays
AC Coil
Electronic Clock Relay Coil
Relay Base 2P
Solid State Relay AC
Solid State Relay DC
Meters
Ammeter
Voltmeter
Counters
Counter Pulse
Counter Switch NC
Counter Switch NO
Switches
Emergency Stop Switch
Flow Switch
Flow Switch NC
Lever Limit Switch
Limit Switch NC
Limit Switch NO
Contacts
Normally Open Contact
Normally Close Contact
Off Delay NO Contact
Off Delay NC Contact
On Delay NO Contact
On Delay NC Contact
Timers
Off Delay Timer
On Delay Timer
Sensors
Diffuse Sensor Double Width
Photoelectric Sensor - Retro Reflective
Proximity Sensor - Capacitive 3 Wire
Proximity Sensor - Inductive 3 Wire
Motors
DC Motor
Protection
Fuse 1P
Magnetic Overload
Thermal / Current Overload 1P
Thermal / Current Overload 2P
Thermal / Current Overload 3P
Power
Inverter
Power Sources
9V Battery
12V DC Power Supply
220V AC Socket
Measurement Accessories
Black Probe Long
Red Probe Long
Learning Diagrams