25v 4700uf 0.00 esr

Collapse
X
 
  • Time
  • Show
Clear All
new posts
  • shaunbt123
    Senior Member
    • Nov 2012
    • 119
    • uk

    #1

    25v 4700uf 0.00 esr

    i have tested the above capacitor with my esr meter,and its showing 0.00 ohms esr, does this indicate a faulty cap, from what i have seen the lower the esr the better.
    thank you.
    Last edited by shaunbt123; 02-02-2014, 08:12 AM.
  • vhr
    Member
    • Aug 2012
    • 21
    • Russia

    #2
    Re: 25v 4700uf 0.00 esr

    Water

    Comment

    • ben7
      Capaholic
      • Jan 2011
      • 4059
      • USA

      #3
      Re: 25v 4700uf 0.00 esr

      Well, it seems good to me!
      Muh-soggy-knee

      Comment

      • cheapie
        null
        • Jul 2010
        • 849
        • USA

        #4
        Re: 25v 4700uf 0.00 esr

        Generally, when capacitors fail, the ESR goes up. So, that one is probably good. 0.00 just means that it's lower than your meter can measure.

        Comment

        • lexwalker
          Badcaps Veteran
          • Feb 2011
          • 307
          • Malaysia

          #5
          Re: Nichicon 25v 4700uf 0.00 esr

          Originally posted by shaunbt123
          i have tested the above capacitor with my esr meter,and its showing 0.00 ohms esr, does this indicate a faulty cap, from what i have seen the lower the esr the better.
          thank you.
          Brand and series of the capacitor in question? Possible your ESR meter is at the limits of the measurement (cannot display beyond certain range). Does the capacitor measure as a short when using a multimeter continuity test?

          Comment

          • senz_90
            Badcaps Veteran
            • Aug 2013
            • 328
            • Indonesia

            #6
            Re: 25v 4700uf 0.00 esr

            yes. try lexwalker advice. maybe just the esr meter couldn't measure it or that is shorted caps. try to measure this caps with lower ohms scale on your meter. if shorted the ohms reading will be same as this esr meter value, just like when you put your meter probes short together.
            "There is no shortcut to be successful. No pain, no gain."

            Best Regards
            Rudi
            Thank You

            Comment

            • shaunbt123
              Senior Member
              • Nov 2012
              • 119
              • uk

              #7
              Re: 25v 4700uf 0.00 esr

              ive checked the spec on my peak atlas esr 60 meter,and it reads from 0.01Ω to 20.0Ω. i will test it tommorow with my multimeter on ohms range.
              Last edited by shaunbt123; 02-02-2014, 03:58 PM.

              Comment

              Related Topics

              Collapse

              • narf
                Epson EB-U42 projector / Caps with 0.7 ohms ?!
                by narf
                hi all,

                first of all: i'm a (motivated) newbie, so please forgive me any stupid question i may or may not ask

                i'm currently repairing a projector: Epson EB-U42 that doesn't start (no lights, nothing).

                what i've found so far:
                - the PSU does its job and supplies 12V to the mainboard via the connector.
                - shortly thereafter, there is a mosfet (TS420-600B) where i can test 12V on the one side (in the data sheet this side is called Anode), Gate 0V, Kathode shorted to ground
                - not far away, there's the first cap with a resistance of 0.7 ohms....
                07-02-2024, 03:53 PM
              • Track4207
                Hisense H50N5300UK reboots when showing full red images
                by Track4207
                Hi all! A bit of an interesting and unusual problem: as the the title suggests I have a Hisense H50N5300UK that reboots when showing fullscreen solid red images (and some other solid colours, but red generally causes the issue the fastest). I first came across the problem assuming it was an intermittent issue, but later lucked into finding out that a title sequence of a show I watch happened to trigger the reboot.

                What happens:
                • TV appears to operate normally, for an indefinite amount of time until a problem image appears
                • The problem image is displayed very briefly, then the
                ...
                08-30-2023, 11:58 AM
              • reessi
                Acer Alienware Nitro 5 (GH51G LA-L181P Rev: 1C) & Dell Alienware M15 (GDP50 LA-k452P Rev:1) - Both Shorted PCH (SRKMA)!
                by reessi
                Hello:

                I have both these laptops that appeared to have the same fault so I thought I would have a go at replacing the PCH as something to learn, they both are using the same PCH.


                I started on the ACER:

                Up on connecting power no signs of life but current is consumed from the bench power supply and the PCH is hot.
                All the caps on the top of the PCH are showing 0 ohms and the 3.3v rail is shorted.

                I followed the videos from Sorin, Electronics Repair School on Youtube heating from the bottom to install. I practised on around 10 scrap...
                10-29-2024, 11:31 AM
              • ravi_1617
                ASUS X1504 & X1404ZA no vcore power
                by ravi_1617
                Hi
                Unable to find schematic diagram .
                As i inject Adaptor power board starts its self without pressing power switch
                observed when, on 3.3 volt, 5 volt & 1.8 volts present

                No power at v-core coils (3 coils) Value Ohms reading 2 coils showing 9.4 Ohms & 9.2 Ohms ,one showing 32 Ohms
                no power at coil ,19 volt present PJP8601 entering pin 2345 (chip no BCLEXS total 20 pin

                battery is also not charging
                if i try to force power off turns OFF ,turns of after 15 seconds than on by itself

                Tried flashing few bios from this...
                Starts
                09-11-2024
                Ends
                09-12-2024
                09-12-2024, 10:52 AM
              • seesea1393
                Surface laptop go ME version showing 0.0.0.0
                by seesea1393
                The ME firmware version is showing 0.0.0.0 ,and Slow POST.Some one can Help me?surface laptop go SN: 015173404166,thanks in advance!...
                05-11-2025, 04:23 AM
              • Loading...
              • No more items.
              Working...