Anyone know of an alternative for a R10E2662-2 DPDT relay

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  • Crystaleyes
    Badcaps Veteran
    • Sep 2021
    • 493
    • Brazil
    #1

    Anyone know of an alternative for a R10E2662-2 DPDT relay

    I'm having trouble finding an R10 E2662-2 telephone relay, originally made by Potter & Brumfield, and have also been unable to find a suitable replacement.

    It is missing from a Fluke 8600A bench multimeter

    It isn't really mentioned in the manual, yet judging by others in the series, it appears to have a 4.5v coil, but I could be wrong...

    I can find the later R10 E1Y2 relay, however it has a 12v coil

    Enclosing pictures of the socket and relay pin assembly

    Here is the service manual;

    https://cdn.badcaps-static.com/pdfs/...c6588cac76.pdf
    Attached Files
    Last edited by Crystaleyes; 06-30-2022, 09:19 AM.
    Tags: None
    • Per Hansson
      Super Moderator
      • Jul 2005
      • 5895
      • Sweden
      #2
      Re: Anyone know of an alternative for a R10E2662-2 DPDT relay

      I can confirm it is most likely a 4.5v relay because it sits on the +5v line and is controlled by a transistor so that will have a 0.7v drop...

      Attached Files
      "The one who says it cannot be done should never interrupt the one who is doing it."

        Comment

        • R_J
          Badcaps Legend
          • Jun 2012
          • 9533
          • Canada
          #3
          Re: Anyone know of an alternative for a R10E2662-2 DPDT relay

          Maybe this? R10-E2Y2-V52 (Digikey) 6v coil (operates at 4.5v) It has PCB terminals but might work?
          Last edited by R_J; 06-30-2022, 10:59 AM.

            Comment

            • Per Hansson
              Super Moderator
              • Jul 2005
              • 5895
              • Sweden
              #4
              Re: Anyone know of an alternative for a R10E2662-2 DPDT relay

              Looking at a photo here shows a coil resistance of 145Ω
              From that same series of relays you've shown we can see there exists a version with a coil resistance of 140Ω so pretty much a perfect match:
              R10-E1W2-S140 it is a 5v relay but it operates down to 3.75v
              Just need to make sure it has the proper number of contacts and the configuration they are in and that it fits the socket:
              https://eu.mouser.com/ProductDetail/...J6JE0CHQ%3D%3D
              "The one who says it cannot be done should never interrupt the one who is doing it."

                Comment

                • sam_sam_sam
                  Badcaps Legend
                  • Jul 2011
                  • 6027
                  • USA
                  #5
                  Re: Anyone know of an alternative for a R10E2662-2 DPDT relay

                  Even if the pins are not exactly the same if you have room in the enclosure you might be able to mount it some where near the board

                    Comment

                    • CapLeaker
                      Leaking Member
                      • Dec 2014
                      • 8043
                      • Canada
                      #6
                      Re: Anyone know of an alternative for a R10E2662-2 DPDT relay

                      As long as the coil voltage and relay configuration is the same, you can wire the new relay in and glue it in its new place. I even done this with unobtainable rf relays. Works fine as kind.

                        Comment

                        • Crystaleyes
                          Badcaps Veteran
                          • Sep 2021
                          • 493
                          • Brazil
                          #7
                          Re: Anyone know of an alternative for a R10E2662-2 DPDT relay

                          Fantastic info gents. Just what the doctor ordered.

                          With so many different relay options, searching for an obsolete equivalent isn't so easy..

                          Many thanks!

                            Comment

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