Need help identifying a component

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  • bigbrew25
    Member
    • Oct 2015
    • 21
    • U.S

    #1

    Need help identifying a component

    Hey Guys,

    Wondering if anybody knows what the marking "SI" stands for on a pcb.
    In the photo, it is the component with the K on it. This is a daughterboard that is in an Edgewater Networks 2402 POE LF switch.
    Attached Files
  • stj
    Great Sage 齊天大聖
    • Dec 2009
    • 30901
    • Albion

    #2
    Re: Need help identifying a component

    the things with "K" on them are fuses.

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    • paulstef
      Badcaps Veteran
      • Dec 2013
      • 724
      • Canada

      #3
      Re: Need help identifying a component

      Yes they look like PTC resettable fuses.

      Comment

      • bigbrew25
        Member
        • Oct 2015
        • 21
        • U.S

        #4
        Re: Need help identifying a component

        Thanks guys! I thought it was fuse, but couldn't find anything to verify it. "Resettable" is the key. Found them at Mouser.

        http://www.mouser.com/ProductDetail/...CGq7NK9w%3d%3d

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