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Strap on plastic cylinder on cables

  • 14-07-2009 1:12pm
    #1
    wolfric
    Registered Users, Registered Users 2 Posts: 1,190 ✭✭✭


    I've always wondered what it was. Heres a picture of it on a usb cable.
    usbcable_l.png


Comments

  • #2
    Voodu Child
    Closed Accounts Posts: 6,706 ✭✭✭Voodu Child


    Its a ferrite bead, for suppressing EM noise. Just sits around the cable and supposedly soaks up high-frequency interference. They're don't really do much, are just put there because of regulations.


  • #3
    wolfric
    Registered Users, Registered Users 2 Posts: 1,190 ✭✭✭wolfric


    Coming from the cable or going to the cable?


  • #4
    Khannie
    Registered Users, Registered Users 2 Posts: 37,485 ✭✭✭✭Khannie


    Was it just me who misread that thread title? :D


  • #5
    Cuddlesworth
    Registered Users, Registered Users 2 Posts: 14,002 ✭✭✭✭Cuddlesworth


    Khannie wrote: »
    Was it just me who misread that thread title? :D

    Nope, but I did think I had already seen that particular USB attachment for sale elsewhere.


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