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PCB mount banana sockets

Discussion in 'Electronic Design' started by [email protected], Aug 5, 2013.

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  1. Guest

  2. Uwe Hercksen

    Uwe Hercksen Guest


    I think those two pins are only for mechanical reasons, not electrical.
    I think both pins are connected to the banana socket, if in doubt I
    would ask an Ohmmeter. The best and easiest way is to connect both pins
    to the same signal.

  3. hamilton

    hamilton Guest

  4. Nico Coesel

    Nico Coesel Guest

    Connect both. I've used the same in a project recently.
  5. They are BOTH common to the SINGLE conductor banana jack.
    Red is typically the positive lead, but is not required to be.

    There are two, because that provided better anchoring to the PCB.
    placing a few more vias surrounding the mounting holes, on the trace will
    also beef up the mount areas with respect to the trace integrity and PCB
    substrate medium. The cheaper the PCB make, the easier it will be to
    screw it up (break free with use). A firm anchoring to a chassis panel
    will stop that though. If the only thing holding it onto the PCB is
    those two leads, and there is no bulkhead cinching, it will surely break
    (the PCB connections)if it gets a lot of use. The insertion force on a
    new banana plug can be pretty high, and they always carry the weight of
    the wire behind them too.

    It looks pretty lame for a 20A rating too. I'd bet at 20 amps, it
    would get a bit warm.
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