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Circuit Board Markings

  • 13-09-2014 9:43am
    #1
    Fluxed
    Registered Users, Registered Users 2 Posts: 1 ✭


    Just wondering if anyone knows what LK1 and LK2 etc. stand for on a circuit board, never seen it before but got something which looks like a brown resistor in that location which looks a bit fried but not sure what it is so the colouring may be due to the heat as cant make out the stripes on it so maybe its not a resistor as they would normally be marked R1, R2 etc.

    Thanks.


Comments

  • #2
    DublinDilbert
    Registered Users, Registered Users 2 Posts: 5,401 ✭✭✭DublinDilbert


    Fluxed wrote: »
    Just wondering if anyone knows what LK1 and LK2 etc. stand for on a circuit board, never seen it before but got something which looks like a brown resistor in that location which looks a bit fried but not sure what it is so the colouring may be due to the heat as cant make out the stripes on it so maybe its not a resistor as they would normally be marked R1, R2 etc.

    Thanks.

    They are links hence the lk name.

    They are usually left open or have 0ohm resistors fitted to them, but you could fit any resistor there as they are a standard smt foot print.

    They are usually for selecting product configuration, like setting input voltage to 220v vs 110v etc


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