What is ferrite?

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Magnetic iron rock

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Ferrite is a ceramic-like material with magnetic properties, which is used in many types of electronic devices. Ferrite is used in:

  • Permanent magnets
  • Ferrite cores for transformers and toroidal inductors
  • Computer memory elements
  • Solid-state devices

Ferrites are composed of iron oxide and one or more other metals in chemical combination, and their properties include:

  • Hard
  • Brittle
  • Iron-containing
  • Polycrystalline
  • Generally gray or black

Ferrite is also known as ferrate.

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