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ferrite beads?

Discussion in 'Electronic Basics' started by tom, Mar 9, 2005.

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  1. tom

    tom Guest

    Can someone tell me what a 'ferrite bead vk200, vk600' is? how much do they
    cost? are they an easy-to-find component?
     
  2. tom

    tom Guest

    Thanks John, I looked at those pages. They don't have a picture, though.
    They have lines like this:

    VK200 6-holes core wired 2.5 turns (VK200) high current RF choke
    0.57

    Is this on of those doughnut shaped rings, with wires wrapped around it?
    What does '6 holes' mean? How can there be 6 holes in 1 torus?
    Can you think of anywhere that might have a picture of one these, it'd be
    worth 10,000 words (old chinese saying).

    Tom
     
  3. Is 10,000 words worth a 6 megabyte download? Page 79 of the big
    Fair-rite catalog shows what I think the 2.5 turn bead looks like.
    http://www.fair-rite.com/fr_catalog-14thed_rev3.pdf
     
  4. tom

    tom Guest

    What the hell, I'm on a cable modem --- I average around 380,000
    bytes/second, I'll take a look at it.
    OK, I just looked at the catalogue and I know what a 6-hole ferrite bead is,
    what it looks like, and I've even got a bunch of fancy impedance/frequency
    graphs.

    Thanks John
     
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