dielectrics

Non-conducting capacitor materials

Dielectrics is the plural of dielectric—a material that doesn't conduct electricity but can store electrical energy when placed in an electric field.

Glass, rubber, and ceramics are common dielectrics.

They're essential in capacitors, where a dielectric layer separates conductive plates: The capacitor's performance depends on the dielectrics used between its electrodes.

properties

permittivity

Electric polarization capacity

materials

polyethylene

Thermoplastic from ethylene gas

  • ceramicFired clay material
  • micaLayered silicate mineral
  • quartzCrystalline silicon dioxide

glass · porcelain · sapphire · teflon · PTFE · PVDF · alumina · zirconia

capacitor

capacitance

Electrical charge storage measure

farad

phenomena

piezoelectricity

Stress-generated electricity in crystals

insulation

breakdown

Failure or decomposition

potting · bushing · standoff · flashover

Opposites
electrical conductivity

dielectricsconductors

Those who direct ensembles

electrical conductors · conductive materials · metals · superconductors · semiconductors

electromagnetic behavior

dielectricsconductors

Those who direct ensembles

magnetic materials · ferromagnets

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dielectric

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