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Are Ferrite Toroids inductors

Discussion in 'General Electronics Discussion' started by wafula, Sep 7, 2011.

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  1. wafula

    wafula

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    0
    Sep 5, 2011
    Are Ferrite Toroids inductors? How significant are they in ac filtration and transients?
     
  2. duke37

    duke37

    5,344
    753
    Jan 9, 2011
    No, ferrite torroids are just rings of magnetic material.
    They can be used to produce inductors by winding them with wire.
    They will only be added to circuits if they are significant.
    There are many kinds of inductors and the choice depends on a multitude of factors.
     
  3. davelectronic

    davelectronic

    1,087
    12
    Dec 13, 2010
    ferrite rings

    Hi wafula.
    Ferrite rings can be used in many circuits, as inductors or chokes as there known, they are good for mains borne interference, often used in filters of all kinds, they are also excellent for RF interference on reception, couple of turns or more of coaxial cable and a lot of unwanted noise is gone, depends on the application as for inductors.

    They are almost always used in conjunction with mains suppression capacitors and other components to make up a mains filter.
    There also used in SCR circuits and many others, some are two lead components others are wound on a ferrite ring, some no ring just air for the core, commonly measured in micro H Milli H and Henry's, Dave. :)

    http://en.wikipedia.org/wiki/Ferrite_core
     
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