Caps for esc's

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  • Steven Vaccaro
    Administrator
    • Apr 2007
    • 8720

    #1

    Caps for esc's

    I'm looking to carry some of the caps for esc's. Which ones are you guys using?
    Steven Vaccaro

    Where Racing on a Budget is a Reality!
  • kevinlew211
    Senior Member
    • Aug 2008
    • 586

    #2
    Rubycon 63V, 220uf, max temp at least 105 Celsius

    Comment

    • Steven Vaccaro
      Administrator
      • Apr 2007
      • 8720

      #3
      Kevin which esc's are you using them with?
      Steven Vaccaro

      Where Racing on a Budget is a Reality!

      Comment

      • kevinlew211
        Senior Member
        • Aug 2008
        • 586

        #4
        I personally using Schulze 40160 escs, but that cap will be comment for all HV escs, and you should get some 37v caps for LV escs as well.

        Comment

        • kevinlew211
          Senior Member
          • Aug 2008
          • 586

          #5
          any difference if ....let say between 5 of 220uf cap and just one 1100uf cap? which way is beter way beside the cost?

          Comment

          • Ub Hauled
            Fast Electric Addict!
            • Aug 2007
            • 3031

            #6
            redundancy... if one 1100 cap goes, that's i for your ESC... if you have many smaller ones, a couple can go and may still have an intact ESC
            :::::::::::::::. It's NEVER fast enough! .:::::::::::::::

            Comment

            • kevinlew211
              Senior Member
              • Aug 2008
              • 586

              #7
              Originally posted by Ub Hauled
              redundancy... if one 1100 cap goes, that's i for your ESC... if you have many smaller ones, a couple can go and may still have an intact ESC
              so let say i put many extra more "uf" caps is it even beter or have to be exactly "uf" of the original one?

              Comment

              • knpc
                Senior Member
                • Feb 2008
                • 566

                #8
                On my CC Hydra 240s i'm using 4- rubycon 35v 470uf high temp capacitors. I put them on after the stock ones failed and haven't had any problems since.
                Rico 29, Sprintcat 34, Insane FE 30 Hydro, 43'' Aeromarine Conquest

                Comment

                • domwilson
                  Moderator
                  • Apr 2007
                  • 4408

                  #9
                  Putting more caps in parallel will lower the ESR (Equivalent Series Resistance) of the cap circuit. The drawback is increased realestate that the multiple caps will occupy.
                  In addition if you are just adding caps, your not boxed in to just using Radials. You can use axials also.
                  Last edited by domwilson; 08-19-2009, 01:16 AM.
                  Government Moto:
                  "Why fix it? Blame someone else for breaking it."

                  Comment

                  • 6S HYDRO
                    Fast Electric Addict!
                    • Mar 2009
                    • 1320

                    #10
                    I just found 1000uf 35v caps at radio sack, 1.59 each. I put 2 on an a.c. Esc and and now it hasnt got hotter than 105 degrees

                    Comment

                    • tylerm
                      Senior Member
                      • Nov 2007
                      • 310

                      #11
                      35v 470uf are good. Yea 105*C temp is good. Also maybe the same ones that come on the castles for straight replacement.

                      Comment

                      • longballlumber
                        Fast Electric Addict!
                        • Apr 2007
                        • 3132

                        #12
                        These are the ones that I bought for my ESC's. These are the same series (ZLH) that are on my castle controllers, with a higher Micro Faren (uF) number. Just another note, I don't run anything that is over 4S.

                        http://www.newark.com/rubycon/25zlh1...tor/dp/38M3253

                        For what ever reason, the higher voltage caps (35V and above) are all shipped out of the UK. The shipping charges are much higher...

                        http://www.newark.com/jsp/search/bro...locale%3Den_US

                        Comment

                        • domwilson
                          Moderator
                          • Apr 2007
                          • 4408

                          #13
                          You can also get caps from MCM Electronics, DigiKey, Parts Express, Mouser Electronics, etc.
                          Government Moto:
                          "Why fix it? Blame someone else for breaking it."

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