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Miniature Omron G6K relays

Discussion in 'Electronic Design' started by Jeroen Belleman, Sep 13, 2012.

  1. Some of you may be interested. Recently, John Larkin mentioned his
    use of many Omron G6K-2G-Y-DC5 DPDT relays here. I was interested,
    but worried about the capacitive coupling between the two sections,
    which isn't mentioned in the data sheet. So I measured it: It turns
    out to be about 30fF between the pair of open contacts and about
    110fF between the pair of closed ones. I deduce that the moving
    parts have about 80fF between them then.

    I measured contact-to-coil capacitances too: 200fF for an open
    contact and 800fF for a closed pair, after correction for the
    pad capacitances.

    Jeroen Belleman
     
  2. Jeroen

    Jeroen Guest

    This was measured on a single-sided board with a fat ground trace
    running between the rows. The measuring instrument was a HP5387D
    NA. The coupling looked purely capacitive up to some 100MHz.
    Beyond that, the curves got bumpy, probably mainly due to my quick
    & dirty lash-up.

    They are very nice parts indeed.

    Jeroen Belleman
     
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