How do you use this SCR for a stud welder

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  • sam_sam_sam
    Badcaps Legend
    • Jul 2011
    • 6024
    • USA

    #1

    How do you use this SCR for a stud welder

    This may be the right place to this post question if this is the case please for give me

    http://www.digikey.com/product-detai...147-ND/1998988

    Part number is a T700123504BY
    Last edited by sam_sam_sam; 12-13-2014, 11:00 AM.
  • budm
    Badcaps Legend
    • Feb 2010
    • 40746
    • USA

    #2
    Re: How do you use this SCR for a stud welder

    Are you repairing a welder or you are trying to build a welder?
    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

    • sam_sam_sam
      Badcaps Legend
      • Jul 2011
      • 6024
      • USA

      #3
      Re: How do you use this SCR for a stud welder

      Trying to build one
      I have one but it has to much power to is for use on a battery tap welding

      It has one the part is SKT491/04D which was cross over to a SKT493/18E
      you have to buy 6 of them @$600.00
      Last edited by sam_sam_sam; 12-13-2014, 12:49 PM.

      Comment

      • eccerr0r
        Solder Sloth
        • Nov 2012
        • 8670
        • USA

        #4
        Re: How do you use this SCR for a stud welder

        I was thinking about building one, and the trouble I had was ... getting the capacitors. The SCR was intended for cap discharge welders.

        I ended up backtracking and thinking about another way of doing this and was wondering what I can do with 100+ amps... Not quite as much as a capacitive discharge welder but still significant...

        Comment

        • stj
          Great Sage 齊天大聖
          • Dec 2009
          • 30937
          • Albion

          #5
          Re: How do you use this SCR for a stud welder

          what are you trying to weld ?

          Comment

          • stj
            Great Sage 齊天大聖
            • Dec 2009
            • 30937
            • Albion

            #6
            Re: How do you use this SCR for a stud welder

            http://ultrakeet.com.au/write-ups/cdWelder

            dont kill yourself!!!

            Comment

            • ben7
              Capaholic
              • Jan 2011
              • 4059
              • USA

              #7
              Re: How do you use this SCR for a stud welder

              You could possibly get the caps from an old UPS system, or the like. People on fleabay sell large caps for reasonable prices (of course, they are usually used)
              Muh-soggy-knee

              Comment

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