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100-Line Ribbon Cable (50-50 Split)

Discussion in 'Electronic Design' started by yy7d6, Feb 21, 2007.

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  1. yy7d6

    yy7d6 Guest

    Hi I would like to know if there exist a 100-line ribbon cable split
    into 50-50 ribbon cable, I have a electronic device project that
    requires the cable connector to be 100-line on one side and split two
    50-line connector. Also If their is none, I would like to know if you
    have knowledge to where such cables can be manufactured.
  2. John Barrett

    John Barrett Guest

    We have a place here in Dallas called Cable and Connector Warehouse -- they
    make custom cables to your sepecifications -- pricey unless you need a
    quantity -- they are on the web and take orders online or over the phone --
    or you may find a similar company closer to home !!
  3. Easy to make surely?



  4. John Fields

    John Fields Guest

  5. James Waldby

    James Waldby Guest

  6. Guest

    Call Digikey or look at their print catalog in the first few pages,
    they have a custom cable capability.
    It's super easy but you *must* do your homework up front, there are
    many subtle variations in the connectors.
    They will charge you a setup fee that gets you a custom Digikey part
    no. This is handy when you need a few more of the same cable later on.
    Or you can just order the individual parts, and use a sturdy desk
    drawer to slam the parts together. I do it, it's not that bad.
  7. Rich Grise

    Rich Grise Guest

    Do you mean likt two 50-wire ribbons side-by-side, or one on top of
    the other? If they're side-by-side, just get two pieces of 50-wire,
    and crimp them into a 100-pin connector.

    Otherwise, I have no ides.

    Good Luck!
  8. mpm

    mpm Guest

    There used to be an S-100 Bus Standard.
    Don't know if they ever made a cable for it as you desire, but maybe??
    Might be worth a Google search....

  9. John Barrett

    John Barrett Guest

    S-100 was an edge card standard, not IDC connectors :)

    I worked with it often enough :)
  10. John Perry

    John Perry Guest

    Much easier and more robust would be to use a 100-wire cable and split
    it at the 2X50 end. It's trivial to do yourself. I've done several,
    though never those particular numbers.

    John Perry
  11. Ben Jackson

    Ben Jackson Guest

    A vise is a lot more civilized!
  12. jasen

    jasen Guest

    IDC edge connectors are available... someone could have done a flexible
  13. Guest

    LOL that's true, but we have these massive wood desks that have a nice
    oomph to them. I'm the official IDC guy around here. I used to use a
    hammer with a piece of wood, so I've actually improved. I even put
    strain reliefs with pull-tabs now. Very dignified.
  14. Marra

    Marra Guest

    RS components do a wide range of ribbon cables.
  15. yy7d6

    yy7d6 Guest

    Ayon kay James Waldby:
    Thanks for the link, its almost the one i need, but i think i will
    have to resort to some other option like a custom cable... but still i
    will try that $95 one.

    John Barrette,
    Can you give me more details of that cable warehouse, actually I need
    volume quantity later after my prototype is done, but now i need to
    know what is the arrangement with this. From that cable manufacturer i
    need the footprint of the connector mounted on the pcb before i need
    the actual ribbon cable--so the prototype will be able to be
    fabricated first.
  16. yy7d6

    yy7d6 Guest

  17. James Waldby

    James Waldby Guest


    Ok. Also note some $59 and $69 versions at
    and also see this twisted-pairs (rather than ribbon) cable:
    and IDC connectors at
    from google search on: "100 pin" scsi cable

  18. Where do you put all the bypass capacitors? Is it up to the end user
    to supply the fire extinguisher, as well? The power pins on the S100
    Buss carried quite a bit of current. Enough that it would have set an
    IDE cable on fire.

    Service to my country? Been there, Done that, and I've got my DD214 to
    prove it.
    Member of DAV #85.

    Michael A. Terrell
    Central Florida
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