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Jumper wire

Discussion in 'General Electronics Discussion' started by charger100, Oct 2, 2019.

  1. charger100

    charger100

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    Oct 2, 2019
    i want to buy some wire to use as jumper wire to bridge two components on a circuit board.
    but what thickness do i need .i have read that tinned copper 24 gauge is correct . is this right ,
    and can you give me anymore info.
    thank you.
     
  2. Harald Kapp

    Harald Kapp Moderator Moderator

    9,306
    1,889
    Nov 17, 2011
    It depends on the current the wire jumper has to carry, the length of the wire and the acceptable losses. You can use a wire gauge calculator or table to find the right wire for your purpose.
     
  3. charger100

    charger100

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    Oct 2, 2019
    Thank you for your reply ,i will try to get the info you require.
     
  4. Thymopathy

    Thymopathy

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    Sep 24, 2019
    It is based on the current that jumper wire needs to carry.
     
  5. Minder

    Minder

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    593
    Apr 24, 2015
    If fairly low current, there is 6 core single strand insulated telephone wire. Home Depot etc.
    CAT5 solid strand.
    For negligible current, I use wire wrap conductor.
    M.
     
    Last edited: Oct 3, 2019
  6. thedoc298

    thedoc298

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    Oct 4, 2019
    I buy 100 alagator clips off ebay and cut vering lengths of wire and solder up my own. The jumpers on ebay are not worth the effort.
    I use 14 AWG and that works for 99.9 of the stuff I do. Nice to have a pile of jumpers and good ones at that.
     
  7. Minder

    Minder

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    Apr 24, 2015
    Most jumpers on ebay (male-female) are intended for bread board.
    M.
     
  8. WHONOES

    WHONOES

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    May 20, 2017
    I just use 28AWG enamelled copper wire that has solder through insulation. A small reel lasts a long time. It's fine for connecting components together on a breadboard anything else may require a thicker wire for larger currents.
     
  9. dave9

    dave9

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    Mar 5, 2017
    Odds are that you have something old, now unused that you can get the wire from, whether it is solid core bell wire or ethernet cable, multi-strand extension cord or appliance wire, enamelled copper windings off an old transformer, etc.

    I mean if you so seldom use wire that you have to buy some for a single jumper, I would see what I could cannibalize, but of course you must consider the minimums of current and acceptable losses as already mentioned, but it won't hurt (if you have space and a mechanical means of fixing it in place) to use a bit small gauge (larger diameter) wire than necessary. This is very commonly done when the design isn't budget constrained down to the last pennies or in your case, saves many pennies if you already have some wire that would work.
     
  10. WHONOES

    WHONOES

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    May 20, 2017
    I bought the 1/2 Kg reel I mentioned some 15 years ago and it still has plenty on it. Wasn't horribly expensive either
     
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