PCB SPDT relay(s)

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  • llonen
    Badcaps Veteran
    • Sep 2014
    • 495
    • hampshire

    #1

    PCB SPDT relay(s)

    I am looking to source a number of pcb mounted low profile 16 volt dc SPDT mechanical relays, I am finding plenty of 12 volt examples but am not finding any 16volt packages.

    Thanking you in advance
  • eccerr0r
    Solder Sloth
    • Nov 2012
    • 8701
    • USA

    #2
    Re: PCB SPDT relay(s)

    Do you mean 16V coil or 16V contacts?

    16V is a very unusual coil voltage, I'm not surprised you can't find any. Maybe it is a 12V circuit and the 12's will work fine. Or if not, a 15V coil will work fine. Maybe you can modify the circuit to go with 12 or 15V.

    If it's a contact voltage, you can always go higher.

    Comment

    • llonen
      Badcaps Veteran
      • Sep 2014
      • 495
      • hampshire

      #3
      Re: PCB SPDT relay(s)

      Coil voltage apparently, to be honest I was going to use 15 volt but am struggling to find that in a pcb mount low profile package as well.

      Comment

      • keeney123
        Lauren
        • Sep 2014
        • 2536
        • United States

        #4
        Re: PCB SPDT relay(s)

        Who is the maker of the current 16 volt relay you are replacing?


        Also, could you use a resister in series with the coil to drop the voltage to the coil to 12V and use a 12 volt relay?

        Comment

        • srhofmann
          Senior Member
          • Aug 2016
          • 135
          • usa

          #5
          Re: PCB SPDT relay(s)

          Take a look at a few datasheets. A 12V relay actually has a very broad range of operations. Most will turn on at 75-80% of the rating and be able to handle a minimum of 150% of the rated coil voltage. Not knowing your exact app and configuration you could start with something like an Omron G5LE series which are rated to up to 175% coil voltage. Probably want to stay away from automotive relays which usually have a max coil rating around 16V.

          Comment

          • budm
            Badcaps Legend
            • Feb 2010
            • 40746
            • USA

            #6
            Re: PCB SPDT relay(s)

            Originally posted by llonen
            Coil voltage apparently, to be honest I was going to use 15 volt but am struggling to find that in a pcb mount low profile package as well.
            What is the exact profile of the relay has to be? Contact Voltage and rating requirement are? We are missing details info.
            Last edited by budm; 02-01-2017, 12:43 PM.
            Never stop learning
            Basic LCD TV and Monitor troubleshooting guides.
            http://www.badcaps.net/forum/showthr...956#post305956

            Voltage Regulator (LDO) testing:
            http://www.badcaps.net/forum/showthr...999#post300999

            Inverter testing using old CFL:
            http://www.badcaps.net/forum/showthr...er+testing+cfl

            Tear down pictures : Hit the ">" Show Albums and stories" on the left side
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            TV Factory reset codes listing:
            http://www.badcaps.net/forum/showthread.php?t=24809

            Comment

            • llonen
              Badcaps Veteran
              • Sep 2014
              • 495
              • hampshire

              #7
              Re: PCB SPDT relay(s)

              As soon as I have that information will add it, for now I have a number of commercial dishwasher boards coming in for repair and the customer has advised me they are fitted out with 16 volt low profile spdt relays. As soon as they turn up I will take a look at the working voltage to the coil pack and make a decision about what I am going to replace them with as I have yet to find any with coil voltages as per the above mentioned.

              pcb part number PCB 897545-1
              Last edited by llonen; 02-01-2017, 03:30 PM.

              Comment

              • budm
                Badcaps Legend
                • Feb 2010
                • 40746
                • USA

                #8
                Re: PCB SPDT relay(s)

                We need to find out if the 16vdc is for relay coil rating or the relay contact rating.
                For example, this one has 16 VDC contacts rating.
                Never stop learning
                Basic LCD TV and Monitor troubleshooting guides.
                http://www.badcaps.net/forum/showthr...956#post305956

                Voltage Regulator (LDO) testing:
                http://www.badcaps.net/forum/showthr...999#post300999

                Inverter testing using old CFL:
                http://www.badcaps.net/forum/showthr...er+testing+cfl

                Tear down pictures : Hit the ">" Show Albums and stories" on the left side
                http://s807.photobucket.com/user/budm/library/

                TV Factory reset codes listing:
                http://www.badcaps.net/forum/showthread.php?t=24809

                Comment

                • keeney123
                  Lauren
                  • Sep 2014
                  • 2536
                  • United States

                  #9
                  Re: PCB SPDT relay(s)

                  Most likely if you contact these people you will find your part. http://www.hobartuk.com/parts-accessories

                  Comment

                  • srhofmann
                    Senior Member
                    • Aug 2016
                    • 135
                    • usa

                    #10
                    Re: PCB SPDT relay(s)

                    Not to be a smartass, but why not just get the part number off the relay?

                    Comment

                    • budm
                      Badcaps Legend
                      • Feb 2010
                      • 40746
                      • USA

                      #11
                      Re: PCB SPDT relay(s)

                      There are many relays on that board.
                      http://www.climatecenter.co.uk/produ...-control-unit/
                      Very expensive board!
                      Last edited by budm; 02-01-2017, 10:23 PM.
                      Never stop learning
                      Basic LCD TV and Monitor troubleshooting guides.
                      http://www.badcaps.net/forum/showthr...956#post305956

                      Voltage Regulator (LDO) testing:
                      http://www.badcaps.net/forum/showthr...999#post300999

                      Inverter testing using old CFL:
                      http://www.badcaps.net/forum/showthr...er+testing+cfl

                      Tear down pictures : Hit the ">" Show Albums and stories" on the left side
                      http://s807.photobucket.com/user/budm/library/

                      TV Factory reset codes listing:
                      http://www.badcaps.net/forum/showthread.php?t=24809

                      Comment

                      • llonen
                        Badcaps Veteran
                        • Sep 2014
                        • 495
                        • hampshire

                        #12
                        Re: PCB SPDT relay(s)

                        They seem to think its the pump relay (the one furthest right in the above picture) that has failed, and while it is a common failure mode for these boards it usually turns out to be the BTA16-600B ST TRIAC that drives pump. When the boards turn up I will get the part number as I don't have a high enough resolution pic to read the part number off. They are very expensive boards to obtain, I have been offering a repair service for these types of controller boards for several years.

                        Thanks for your assistance
                        Last edited by llonen; 02-01-2017, 11:25 PM.

                        Comment

                        • llonen
                          Badcaps Veteran
                          • Sep 2014
                          • 495
                          • hampshire

                          #13
                          Re: PCB SPDT relay(s)

                          To bring this thread to a close I have obtained the part number for the relay in question, it turns out the customer was confusing the switched contact rating with coil pack voltage (I think) anyways the relay in question is a HF115F which according to the data sheets is likely to have a nominal rating of 12 volts, and is readily available.

                          Again thank you for your assistance.

                          Comment

                          • budm
                            Badcaps Legend
                            • Feb 2010
                            • 40746
                            • USA

                            #14
                            Re: PCB SPDT relay(s)

                            The customer probably got the info from internet but have no knowledge about the relay or how to read the labels.
                            Last edited by budm; 02-01-2017, 11:21 PM.
                            Never stop learning
                            Basic LCD TV and Monitor troubleshooting guides.
                            http://www.badcaps.net/forum/showthr...956#post305956

                            Voltage Regulator (LDO) testing:
                            http://www.badcaps.net/forum/showthr...999#post300999

                            Inverter testing using old CFL:
                            http://www.badcaps.net/forum/showthr...er+testing+cfl

                            Tear down pictures : Hit the ">" Show Albums and stories" on the left side
                            http://s807.photobucket.com/user/budm/library/

                            TV Factory reset codes listing:
                            http://www.badcaps.net/forum/showthread.php?t=24809

                            Comment

                            • keeney123
                              Lauren
                              • Sep 2014
                              • 2536
                              • United States

                              #15
                              Re: PCB SPDT relay(s)

                              So there are operating voltages and rated voltage on relay coils. You will noticed that the rated voltage of a relay coil is 24 volts but its operating voltage is 16.8 volts. https://cdn.badcaps-static.com/pdfs/...e7147a3dcb.pdf

                              Comment

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