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Description: This is a simple three wire cable. Great for jumping from board to board or just about anything else. There is a 3-pin JST connector on one end, bare cable on the opposite end. It also comes with the mating connector for the JST.

Dimensions: 6" length

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Customer Comments

  • No no, you don’t understand. This cable is one of the greatest things SparkFun carries! If you’ve ever tried to make your own cable, you understand how much time this pre-made cable saves. And having the connector attached means you’ll be assembling your custom board/project even faster!

  • What’s the pitch/pin-spacing on these?

  • BEWARE…. These don’t use the standard .1" spacing. They are smaller.

  • So I get blacks probably negative and reds probably positive whats the white/yellow wire

    • The colors don’t mean anything. This is just a three wire assembly for you to use as you see fit.

      • Even though it’s “just a three-wire assembly”, in power scenarios red/black/yellow do have specific meanings. On a standard Molex(-style) power connector, there are four wires: red is +12V, two black for ground, and yellow is +5V.

        I agree with you of course, you can use the cable for whatever you wish, but I think it’s also important to realize that in certain applications those colors do have specific meanings. :)

  • Are these in the SparkFun Eagle libeary? Nevermind, Found em, thanks guys your the best.

    • I can’t find it in the library. What is it labeled as?

      • If you want to add it to your project, enter “jst*” into the search field - should pop right up among results (exact one is probably JST-3-PTH)

        If you need to modify it, it’s in…
        library: SparkFun-Connectors.lbr
        device: M03
        package: JST-3-PTH

  • datasheet 404

  • FYI, the JST connector link is broken.

  • Sparkfun should start carrying the KR and KRD series from JST. They are compatable with the PH headers (that this cable plugs into) but offer isulation displacement (IDC) instead of crimping wire connections. They would allow for much easier DIY cables, but nowhere in the internet can you buy less than 2000 :(
    See http://www.jst-mfg.com/product/pdf/eng/eKR.pdf for more info.

Customer Reviews

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JST Jumper

I purchased an audio amp board that required a JST connector for the channel split, and didn’t have any dead cooling fans laying around. These jumpers did the trick and now my powered speakers are up and running.