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Inductor Symbols / Coils / Chokes

The inductors or coils are passive components that have a certain number of turns of wire that introduce magnetic inductance to an electrical circuit to produce a magnetic flux or to mechanically react to magnetic flux variations.

Symbology of Inductors / Coils

Symbol Description Symbol Description
Inductor symbol, coil Inductor / Coil
US generic symbol
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  Inductor symbol, coil Inductor / Coil
International generic symbol
Inductance symbol Inductance
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  Inductor bifilar symbol Bifilar inductor / Bifilar coil
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Inductor core ferroxcube symbol Inductor core ferroxcube
Ferrite core inductor
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  FeSi core inductor symbol FeSi core inductor
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Symbol of the inductor with fixed connections Inductor with fixed connections   Inductor symbol with FeSi core FeSi core inductor
Shielded inductor symbol Shielded inductor   Saturable core inductor symbol Saturable core inductor
Saturable reactor
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Symbol of the inductance with power points Inductance with power points   Solenoid, choke inductor symbol Solenoid / Choke inductor
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Polarity of inductor symbol Polarity of inductor
If not indicated, usually, the inductors don’t have polarity
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  Electromagnetic deflection coil symbol Electromagnetic deflection coil
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Electromagnet symbol Electromagnet
Solenoid operated
  Delay line symbol Delay line
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Electromagnet symbol Electromagnet   Electric motor inductors symbol Electric motor inductors
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Symbols Variable & Adjustable Inductors

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Variable inductor symbol Variable inductor
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  Stepwise variable inductor symbol Stepwise variable inductor
Variable inductor with ferroxcube core symbol Variable inductor with ferroxcube core   Stepwise variable inductor symbol Stepwise variable inductor
Variable inductor with ferroxcube core symbol Variable inductor with ferroxcube core   Symbol of continuous variation inductor with FeSi core Continuous variation inductor with FeSi core
Adjustable inductor symbol Adjustable inductor   Adjustable inductor symbol Adjustable inductor
Variometer symbol Variometer
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Picture gallery of inductors / coils
Symbol download
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