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Schematic Symbols «

Circuit Schematic Symbols

Note: The schematics symbols for most major electrical components can be found in this table. However, each component may have numerous possible representations. In cases where there is more than one common symbol we have tried to give an alternate representation.
COMPONENT SYMBOL ALTERNATE
Ammeter
[Schematic Symbol]
And Gate
[Schematic Symbol]
Antenna, Balanced
[Schematic Symbol]
Antenna, General
[Schematic Symbol]
[Schematic Symbol]
Antenna, Loop, Shielded
[Schematic Symbol]
Antenna, Loop, Unshielded
[Schematic Symbol]
Antenna, Unbalanced
[Schematic Symbol]
[Schematic Symbol]
Attenuator, Fixed
[Schematic Symbol]
Attenuator, Variable
[Schematic Symbol]
Battery
[Schematic Symbol]
Capacitor, Feedthrough
[Schematic Symbol]
Capacitor, Fixed, Nonpolarized
[Schematic Symbol]
Capacitor, Fixed, Polarized
[Schematic Symbol]
Capacitor, Ganged, Variable
[Schematic Symbol]
Capacitor, General
[Schematic Symbol]
Capacitor, Variable, Single
[Schematic Symbol]
Capacitor, Variable, Split-Stator
[Schematic Symbol]
Cathode, Cold
[Schematic Symbol]
Cathode, Directly Heated
[Schematic Symbol]
Cathode, Indirectly Heated
[Schematic Symbol]
[Schematic Symbol]
Cavity Resonator
[Schematic Symbol]
Cell
[Schematic Symbol]
Circuit Breaker
[Schematic Symbol]
Coaxial Cable
[Schematic Symbol]
[Schematic Symbol]
Crystal, Piezoelectric
[Schematic Symbol]
Delay Line
[Schematic Symbol]
[Schematic Symbol]
Diode, General
[Schematic Symbol]
Diode, Gunn
[Schematic Symbol]
Diode, Light-Emitting
[Schematic Symbol]
Diode, Photosensitive
[Schematic Symbol]
Diode, Photovoltaic
[Schematic Symbol]
Diode, Pin
[Schematic Symbol]
Diode, Varactor
[Schematic Symbol]
Diode, Zener
[Schematic Symbol]
Directional Coupler
[Schematic Symbol]
[Schematic Symbol]
Exclusive-Or Gate
[Schematic Symbol]
Female Contact, General
[Schematic Symbol]
Ferrite Bead
[Schematic Symbol]
[Schematic Symbol]
Fuse
[Schematic Symbol]
[Schematic Symbol]
Galvanometer
[Schematic Symbol]
[Schematic Symbol]
Ground, Chassis
[Schematic Symbol]
[Schematic Symbol]
Ground, Earth
[Schematic Symbol]
Handset
[Schematic Symbol]
Headphone, Double
[Schematic Symbol]
Headphone, Single
[Schematic Symbol]
Inductor, Air-Core
[Schematic Symbol]
Inductor, Bifilar
[Schematic Symbol]
Inductor, Iron-Core
[Schematic Symbol]
Inductor, Tapped
[Schematic Symbol]
Inductor, Variable
[Schematic Symbol]
[Schematic Symbol]
Integrated Circuit
[Schematic Symbol]
Inverter
[Schematic Symbol]
Jack, Coaxial
[Schematic Symbol]
Jack, Phone, 2-Conductor
[Schematic Symbol]
Jack, Phone, 2-Conductor Interrupting
[Schematic Symbol]
Jack, Phone, 3-Conductor
[Schematic Symbol]
Jack, Phono
[Schematic Symbol]
Key, Telegraph
[Schematic Symbol]
Lamp, Incandescent
[Schematic Symbol]
Lamp, Neon
[Schematic Symbol]
Male Contact, General
[Schematic Symbol]
Microphone
[Schematic Symbol]
Nand Gate
[Schematic Symbol]
Negative Voltage Connection
[Schematic Symbol]
Nor Gate
[Schematic Symbol]
Operational Amplifier
[Schematic Symbol]
Or Gate
[Schematic Symbol]
Outlet, Utility, 117-V
[Schematic Symbol]
Outlet, Utility, 234-V
[Schematic Symbol]
Photocell, Tube
[Schematic Symbol]
Plug, Phone, 2-Conductor
[Schematic Symbol]
Plug, Phone, 3-Conductor
[Schematic Symbol]
Plug, Phono
[Schematic Symbol]
Plug, Utility, 117-V
[Schematic Symbol]
Plug, Utility, 234-V
[Schematic Symbol]
Positive Voltage Connection
[Schematic Symbol]
Potentiometer
[Schematic Symbol]
[Schematic Symbol]
Probe, Radio-Frequency
[Schematic Symbol]
Rectifier, Semiconductor
[Schematic Symbol]
Rectifier, Silicon-Controlled
[Schematic Symbol]
Rectifier, Tube-Type
[Schematic Symbol]
Relay, DPDT
[Schematic Symbol]
Relay, DPST
[Schematic Symbol]
Relay, SPDT
[Schematic Symbol]
Relay, SPST
[Schematic Symbol]
Resistor
[Schematic Symbol]
Resonator
[Schematic Symbol]
Rheostat
[Schematic Symbol]
[Schematic Symbol]
Saturable Reactor
[Schematic Symbol]
Shielding
[Schematic Symbol]
Signal Generator
[Schematic Symbol]
Speaker
[Schematic Symbol]
[Schematic Symbol]
Switch, DPDT
[Schematic Symbol]
Switch, DPST
[Schematic Symbol]
Switch, Momentary-Contact
[Schematic Symbol]
Switch, Rotary
[Schematic Symbol]
Switch, SPDT
[Schematic Symbol]
Switch, SPST
[Schematic Symbol]
Terminals, General, Balanced
[Schematic Symbol]
Terminals, General, Unbalanced
[Schematic Symbol]
Test Point
[Schematic Symbol]
Thermocouple
[Schematic Symbol]
[Schematic Symbol]
Thyristor
[Schematic Symbol]
Transformer, Air-Core
[Schematic Symbol]
Transformer, Iron-Core
[Schematic Symbol]
Transformer, Tapped Primary
[Schematic Symbol]
Transformer, Tapped Secondary
[Schematic Symbol]
Transistor, Bipolar, npn
[Schematic Symbol]
Transistor, Bipolar, pnp
[Schematic Symbol]
Transistor, Field-Effect, N-Channel
[Schematic Symbol]
Transistor, Field-Effect, P-Channel
[Schematic Symbol]
Transistor, Metal-Oxide, Dual-Gate
[Schematic Symbol]
Transistor, Metal-Oxide, Single-Gate
[Schematic Symbol]
Transistor, Photosensitive
[Schematic Symbol]
Transistor, Unijunction
[Schematic Symbol]
Tube, Diode
[Schematic Symbol]
Tube, Pentode
[Schematic Symbol]
Tube, Photomultiplier
[Schematic Symbol]
Tube, Tetrode
[Schematic Symbol]
Tube, Triode
[Schematic Symbol]
Unspecified Component
[Schematic Symbol]
Voltmeter
[Schematic Symbol]
Wattmeter
[Schematic Symbol]
[Schematic Symbol]
Wires
[Schematic Symbol]
Wires, Connected, Crossing
[Schematic Symbol]
[Schematic Symbol]
Wires, Not Connected, Crossing
[Schematic Symbol]
[Schematic Symbol]
» Schematic Symbols
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