List of components (electrics / electronics)
This list shows components for electrics and electronics .
Electrical symbols
Protective conductor, ground, equipotential
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Symbol for the protective conductor |
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Circuit symbol for earth (general) (symbol 02-15-01 from the EN-60617 series) |
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Functional grounding, low-voltage ground (characters 02-15-02 from the EN-60617 series) |
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Protective earthing (characters 02-15-03 from the EN-60617 series) |
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Mass , housing (sign 02-15-04 of the EN 60617 series) |
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Potential equalization ( equipotential ) (characters 02-15-05 from the EN 60617 series) |
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Protective equipotential bonding (e.g. in medical technology ) (based on characters 02-15-05 from the EN 60617 series) |
Ideal circuits
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ideal power source (characters 02-16-01 from the EN-60617 series) |
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ideal voltage source (characters 02-16-02 from the EN-60617 series) |
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ideal gyrator (characters 02-16-03 from the EN-60617 series) |
Converter
Voltage converter | |
Power converter |
filter
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High pass |
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Low pass |
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Bandpass |
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Bandstop |
Character is missing | Allpass |
ladder
Lines in telecommunications networks
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Lead in the earth ; Underground cables |
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Conduction in water ; Submarine cables |
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Above-ground conductor ; Overhead line |
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Cable in cable duct , cable tray or electrical installation pipe |
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Cable route with four cable channels |
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House connection |
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underground junction between two underground cables |
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Partition in a gas or liquid insulated cable |
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Communication line with AC - remote powering |
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Telecommunication line with direct current remote feed |
Lines in the building installation
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Neutral conductor N , also center conductor M |
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Protective earth PE |
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Neutral conductor with protective function PEN |
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three conductors, one protective conductor, one neutral conductor |
Delay lines
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magnetostrictive delay line |
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Magnetostrictive delay line with three coils |
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coaxial delay line |
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Solid state delay line with piezoelectric transducers |
Fuses
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Security in general; Fuse |
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Fuse with identification of the mains connection |
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NH fuse |
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NH fuse with specification of the size (0) and the nominal current (30 A) |
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Fuse with signal contact |
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Fuse switch |
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Fuse disconnector |
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Fuse switch disconnector |
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Three-pole motor protection (melting) fuse. Triggering of a firing pin, which opens the contacts |
Fire extinguishing security |
Circuit breaker
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Circuit breaker (LS / MCB) |
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Four-pole residual current circuit breaker (FI / RCD) |
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Three-pole (motor) circuit breaker with thermal and magnetic overcurrent release |
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Residual current circuit breaker with line circuit breaker (FI-LS combination / RCBO) |
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Three-pole motor protection switch with undervoltage release and thermal and magnetic overcurrent releases and manual release |
Surge arresters
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Surge arresters |
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Spark gap |
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Gas discharge tube with a gas discharge tube |
casing
Connectors
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Socket socket without protective contact |
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Plug Plug without protective contact |
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Socket with protective contact Socket with protective contact cannot be switched |
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Double socket with protective contact | ||||||||||
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Socket with protective contact for three-phase current (5-pin) | ||||||||||
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switchable socket without protective contact | ||||||||||
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Data socket (general)
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Antenna socket |
Switch symbols for electrical installation
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Switch (general) |
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Off switch (single pole); Switch 1/1 |
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Off switch (two-pole); Switch 1/2 |
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Series switch (single pole); Switch 5/1 |
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Changeover switch ; Switch 6/1 |
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Cross switch ; Intermediate switch; Switch 7/1 |
Group switch (shutter switch) | |
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dimmer |
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Pull switch |
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Button |
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Button with light |
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Impulse switch |
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Twilight switch |
counter
General contacts | |
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Normally open ; general switch Three alternative forms of representation |
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Normally open contact actuated |
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opener |
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NC contact actuated |
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Change-over contact (changeover) with interruption during the switching |
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Changeover contact without interruption during the changeover process |
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Two-way switch with "off" center position |
Wiping contacts | |
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Pulse contact Contact when actuated |
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Pulse contact Contact on relapse |
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Pulse contact Contact on actuation and release |
Leading and lagging | |
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leading closer |
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lagging normally open contact |
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leading break contact |
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lagging opener |
Mercury switch | |
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Three terminal mercury switch |
Delay contacts | |
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NO contact activation delayed (parachute effect) |
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NC relapse delayed (parachute effect) |
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NO contact activation and release delayed |
Electromechanical drives
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Contactor or relay general symbol |
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Electromechanical drive with one winding |
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electromechanical drive with two windings in the same direction |
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electromechanical drive with two opposing windings |
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Thermal relay z. B. with a bimetal |
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electromechanical drive with response delay |
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electromechanical drive with release delay |
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electromechanical drive with specification of the control variable |
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electromechanical drive drive switched, coil energized |
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AC relay |
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electromechanical drive of a backup relay |
Accumulators and primary cells
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Galvanic cell , primary cell , element, secondary cell , element, accumulator , battery of primary or secondary cells |
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Battery made up of two galvanic cells |
Electrical components
Resistances
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Resistance , general (characters 04-01-01 from the EN-60617 series) |
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Resistance with fixed tap (characters 04-01-09 from the EN-60617 series) |
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Shunt , shunt resistor (character 04-01-10 from the EN-60617 series) |
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Resistance (changeable, general) (characters 04-01-03 from the EN-60617 series) |
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Resistance with sliding contact, potentiometer (characters 04-01-07 from the EN-60617 series) |
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Resistance with sliding contact and "off" position (characters 04-01-06 from the EN-60617 series) |
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Adjustable potentiometer, trimming potentiometer (characters 04-01-08 from the EN-60617 series) |
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temperature-dependent resistance, PTC thermistor |
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temperature-dependent resistance, NTC thermistor |
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voltage-dependent resistor, varistor (character 04-01-04 from the EN-60617 series) |
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Carbon column resistor (characters 04-01-11 from the EN 60617 series) |
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(Ohmic) heating element, heating resistor (characters 04-01-12 from the EN-60617 series) |
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Photoresist (photosensitive member with symmetrical conductivity) (05-06-01 characters from the EN-60617 series) |
Capacitors
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Capacitor , general (character 04-02-01 from the EN-60617 series) |
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Through capacitor (04-02-03 characters from the EN 60617 series) |
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polarized capacitor, electrolytic capacitor *) (characters 04-02-05 from the EN-60617 series) |
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Block capacitor |
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polarized capacitor with high temperature coefficient (character 04-02-15 from the EN-60617 series) |
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Variable capacitor (adjustable without tools) (characters 04-02-07 from the EN-60617 series) |
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Variable capacitor (can only be adjusted with aids), variable trimmer capacitor (characters 04-02-09 from the EN-60617 series) |
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adjustable differential capacitor (character 04-02-11 from the EN-60617 series) |
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Capacitor with adjustable electrode spacing (characters 04-02-13 from the EN-60617 series) |
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polarized, voltage-dependent capacitor (e.g. semiconductor capacitor) (characters 04-02-16 from the EN-60617 series) |
*) According to DIN EN 60617-4, only the variant with the pole marked with the + sign is valid. |
Light sources
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Lightbulb |
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Glow lamp |
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light emitting diode |
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Fluorescent tube , gas discharge tube (spectral lamp ) |
Inductors
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Inductance (general; inductance, coil, choke or winding) *) |
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Inductance with fixed tap *) |
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Adjustable inductance *) |
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Inductivity with magnetic core *) |
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Inductivity with air gap in the magnetic core *) |
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Inductance with step setting *) |
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Variometer *) |
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Coaxial choke with magnetic core *) |
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Ferrite bead on a conductor |
*) According to DIN EN 60617-4, only the variant with the 4 arches is valid. The variant as a black filled rectangle is no longer valid. |
Piezoelectric Crystals
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Piezoelectric crystal (mostly quartz oscillator ) with two electrodes (characters 04-07-01 from the EN-60617 series) |
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piezoelectric crystal with three electrodes (character 04-07-02 from the EN-60617 series) |
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piezoelectric crystal with two pairs of electrodes (character 04-07-03 from the EN-60617 series) |
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Electret (characters 04-07-04 from the EN-60617 series) |
Electrical appliances
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Electrical appliance (general) |
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Electrical device (general) switchable |
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Food processor |
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Electric stove (general) |
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Microwave oven |
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oven |
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Heating plate |
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Hot water tank , boiler |
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Instantaneous water heater |
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Washing machine |
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Clothes dryer |
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dishwasher |
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Room heating in general |
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Storage heater |
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Electric fan |
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Infrared heater |
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Infrared grill |
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Hairdryer |
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Air conditioner |
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Refrigerator , freezer |
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Freezer , freezer |
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Alarm clock |
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gong |
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Buzzer |
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siren |
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horn |
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Signal lamp board (here for 6 messages) |
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Call and sign board |
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Time recorder , time stamp |
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Electric clock, especially slave clock |
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Master clock |
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Card checking device |
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Guardian detector |
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Door opener |
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Intercom |
Electronic symbols
Diodes
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Diode , general (character 05-03-01 from the EN-60617 series) |
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Schottky diode (character 05-02-04 (bidirectional breakdown effect) + character 05-03-01 (diode) from the EN-60617 series) |
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Zener diode , Z diode, unidirectional breakdown diode, voltage limiter diode (characters 05-03-06 from the EN-60617 series) |
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Tunnel diode , Esaki diode (characters 05-03-05 from the EN-60617 series) |
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Breakdown diode , suppressor diode , bidirectional breakdown diode (characters 05-03-07 from the EN-60617 series) |
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Capacitance diode (symbol does not conform to EN-60617 series) |
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Diode with strong temperature dependency (characters 05-03-03 from the EN-60617 series) |
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Backward diode , unit tunnel diode (character 05-03-08 from the EN-60617 series) |
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Bi- directional diode, bidirectional diode, diac (characters 05-03-09 from the EN-60617 series) |
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Shockley diode |
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Light-emitting diode (LED) (characters 05-03-02 from the EN-60617 series) |
Thyristors
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Reverse blocking thyristor diode / four-layer diode (character 05-04-01 from the EN-60617 series) |
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Reverse conducting thyristor diode (character 05-04-02 from the EN-60617 series) |
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bidirectional thyristor diode , diac, bidirectional thyristor diode (characters 05-04-03 from the EN-60617 series) |
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general, reverse blocking thyristor diode (general symbol; i.e. without specifying the gate type) (character 05-04-04 from the EN-60617 series) |
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Reverse blocking thyristor diode with controlled anode (N-Gate) (character 05-04-05 from the EN-60617 series) |
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Reverse blocking thyristor diode with controlled cathode (P-Gate) (character 05-04-06 from the EN-60617 series) |
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Switch-off thyristor diode (general symbol; i.e. without specifying the gate type) (character 05-04-07 from the EN-60617 series) |
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Switch-off thyristor diode with controlled anode (N-Gate) (character 05-04-08 from the EN-60617 series) |
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Switch-off thyristor diode with controlled cathode (P-gate), GTO thyristor (character 05-04-09 from the EN-60617 series) |
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Reverse blocking thyristor tetrode (characters 05-04-10 from the EN-60617 series) |
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Thyristor triode , bidirectional triac (character 05-04-11 from the EN-60617 series) |
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Reverse conducting thyristor triode (general symbol; i.e. without specifying the gate type) (character 05-04-12 from the EN-60617 series) |
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Reverse conducting thyristor triode with controlled anode (N-Gate) (character 05-04-13 from the EN-60617 series) |
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Reverse conducting thyristor triode with controlled cathode (P-Gate) (characters 05-04-14 from the EN-60617 series) |
Photo elements
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Photodiode (light-sensitive element with asymmetrical conductivity) (character 05-06-02 from the EN-60617 series) |
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Light-emitting diode (LED) (characters 05-03-02 from the EN-60617 series) |
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Photoresist (photosensitive member with symmetrical conductivity) (05-06-01 characters from the EN-60617 series) |
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Photo cell (photo element ) (character 05-06-03 from the EN-60617 series) |
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Phototransistor (NOT compliant with mark 05-06-04 from the EN-60617 series) |
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Optocoupler (characters 05-06-08 from the EN-60617 series) |
Transistors
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NPN transistor with housing |
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PNP transistor with housing |
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NPN transistor; Collector connected to housing z. B. for better heat dissipation |
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NPN transistor with two base connections |
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NPN Darlington transistor |
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Unijunction transistor ; P- doped base |
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Unijunction transistor; N-doped base |
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PNIP transistor connection to the intrinsic zone |
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PNIN transistor connection to the intrinsic zone |
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N-channel junction field effect transistor (N- JFET ) (SFET, junction-fet , JFET or non-insulated-gate-fet , NIGFET) |
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P-channel junction field effect transistor (P- JFET ) (SFET, junction-fet , JFET or non-insulated-gate-fet , NIGFET) |
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N-channel insulated gate field effect transistor (N- IGFET ) depletion type with gate |
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P-channel insulated gate field effect transistor (P- IGFET ) depletion type |
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N-channel insulated gate field effect transistor |
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P-channel insulated gate field effect transistor |
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P-channel insulated gate field effect transistor enhancement type with gate and additional substrate connection |
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N-channel insulating-layer field effect transistor enhancement type with gate and additional substrate connection, substrate connection in the transistor connected to source |
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N-channel insulated gate field effect transistor (N-IGFET) depletion type with two gates and additional substrate connection |
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IGBT with housing N-channel enrichment type |
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IGBT with package N-channel depletion type |
Electron tubes
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Tubular flasks generally round |
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Tubular piston generally oval |
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Tubular piston separate representation of the systems of a multiple tube |
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Tubular pistons for cathode ray tubes |
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Tubular piston for supericonoscopes |
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Tubular piston with conductive inner lining |
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Tubular flask heated directly |
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Tubular flask indirectly heated |
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Cathode in general |
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Anode in general |
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Light anode |
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Rotating X-ray anode |
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Control bridge |
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Electrode, which acts alternately as an anode and cold cathode |
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electron optical electrode |
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cylindrical focusing electrode |
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cylindrical focusing electrode with grid |
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Wehnelt cylinder |
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Multiple aperture |
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Control grid |
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Screen grid |
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Brake grille |
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Quantization lattice |
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Impact anode |
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Deflector plates for electrostatic deflection |
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Deflection coil for magnetic deflection |
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Concentrated coil |
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Concentrated coil optional display |
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Photocathode in general |
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Photocathode optional display |
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Storage electrode in general |
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Storage electrode with internal photo effect |
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Storage electrode, secondary emission used in the direction of the arrow |
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Mosaic photocathode |
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diode |
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Triode (directly heated) |
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Triode (indirectly heated) |
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Tetrode (indirectly heated) |
Pentode (indirectly heated) | |
Hexode (indirectly heated) | |
Heptode (indirectly heated) | |
Octode (indirectly heated) | |
Enneode, Nonode (indirectly heated) | |
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Magic eye (indirectly heated) |
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Picture display tube with external and internal coating, cathode, Wehnelt cylinder, magnetic focusing, acceleration electrode, magnetic deflection |
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Glow lamp |
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Flash lamp |
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Display tube |
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Thyratron |
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Oscilloscope tube, indirectly heated (with two separate inner linings) |
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Vacuum photocell |
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light-controlled secondary electron multiplier with impact anodes |
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electronic counter tube (simplified representation) |
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Image pickup tube, super iconoscope |
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Tube base, guide piece not connected |
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Tube socket, wired guide piece |
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Tube piston connection |
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Tube socket for loktal, octal and rimlock tubes |
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Tube socket for miniature tubes |
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Tube socket for Noval tubes |
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Tube socket for television picture tubes |
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Tube socket for subminiature tubes (flat) |
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Tube socket for subminiature tubes (round) |
Binary switching elements
Contours, signal and function identifiers
Entrances and exits
Logic switching elements
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And-gate conjunction |
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Or-gate disjunction |
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Non-gate negation |
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NAND gate |
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NOR gate |
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Exclusive-or-gate antivalence; XOR |
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Lock gate inhibition |
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Implication subjunction |
see also: dependency notation
Tilt links
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Monostable multivibrator monoflop |
Astable trigger circuit ( multivibrator ) | |
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Threshold switch ( Schmitt trigger ) |
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RS flip-flop triggering on positive edge |
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RS flip-flop triggering on negative edge |
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clock state controlled RS flip-flop |
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clock state controlled D-flip-flop (delay flip-flop) |
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JK flip-flop |
counter
asynchronous dual counter | |
synchronous dual counter | |
synchronous BCD counter | |
Mod-n counter | |
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Shift register (chain circuit) |
Circulating storage | |
Stack memory (LIFO) | |
Silo storage (FIFO) |
Analog elements
amplifier
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Operational amplifier (according to DIN EN 60617 part 13) |
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Operational amplifier (ancient symbol) and comparator (analog technology) called |
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Differential amplifier, gain v = 10 |
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Schmitt trigger , not inverting |
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Transconductance amplifier |
Measurement, control and regulation technology
See list of circuit symbols (measurement, control and regulation technology)
Data transfer
Telephone
Recording and reproducing devices
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Loudspeaker , general (SP stands for speaker ) |
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Electrostatic speaker |
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Mono headphones (EP stands for Earphone ) |
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Microphone , general |
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Electret microphone or electret condenser microphone |
Antennas and radio
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antenna |
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left two single-pole long wire or rod antennas , right two dipole variants |
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L module |
Signal generators
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Signal generator , general circuit symbol |
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Sinus generator , frequency adjustable |
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Square wave generator , voltage amplitude adjustable |
See also
Web links
Commons : Electrical symbols - collection of images, videos, and audio files
- Overview of IEEE Standard 91-1984 (PDF; 142 kB) Texas Instruments , 1996 (English)