Did I just bought a fakecap ?

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  • stj
    Great Sage 齊天大聖
    • Dec 2009
    • 30965
    • Albion

    #21
    Re: Did I just bought a fakecap ?

    how wide are the 1800uf caps? 8mm or 10mm

    Comment

    • stj
      Great Sage 齊天大聖
      • Dec 2009
      • 30965
      • Albion

      #22
      Re: Did I just bought a fakecap ?

      Originally posted by Per Hansson
      Check the polarity of the capacitors: you installed them backwards.
      Asus are crazy and uses the half circle on the PCB to designate the positive side.
      See for example:
      https://www.badcaps.net/forum/showthread.php?t=10480
      https://www.badcaps.net/forum/showthread.php?t=16890
      they dont always do that - which is actually worse because you need to note the details before you pull the old caps - or go searching for pictures afterwards.

      Comment

      • xnRS
        Senior Member
        • Feb 2021
        • 85
        • Belarus

        #23
        Re: Did I just bought a fakecap ?

        Originally posted by Per Hansson
        Check the polarity of the capacitors: you installed them backwards.
        Asus are crazy and uses the half circle on the PCB to designate the positive side.
        See for example:
        https://www.badcaps.net/forum/showthread.php?t=10480
        https://www.badcaps.net/forum/showthread.php?t=16890
        CRAAAAAAAAAAP, FORGOT ABOUT THOSE xD got the same issue on Asus GPU yesterday
        Last edited by xnRS; 06-05-2021, 04:33 PM.

        Comment

        • xnRS
          Senior Member
          • Feb 2021
          • 85
          • Belarus

          #24
          Re: Did I just bought a fakecap ?

          Originally posted by stj
          how wide are the 1800uf caps? 8mm or 10mm
          8x20(Width x Length)

          Comment

          • xnRS
            Senior Member
            • Feb 2021
            • 85
            • Belarus

            #25
            Re: Did I just bought a fakecap ?

            Originally posted by xnRS
            CRAAAAAAAAAAP, FORGOT ABOUT THOSE xD got the same issue on Asus GPU yesterday
            Funniest of all that K58 Kemet caps survived...

            Comment

            • xnRS
              Senior Member
              • Feb 2021
              • 85
              • Belarus

              #26
              Re: Did I just bought a fakecap ?

              Originally posted by xnRS
              Funniest of all that K58 Kemet caps survived...
              And the board worked for a long time... You know... 3 days...

              Comment

              • xnRS
                Senior Member
                • Feb 2021
                • 85
                • Belarus

                #27
                Re: Did I just bought a fakecap ?

                So, after desoldering caps what I got is:
                3 died panasonic(probably not) caps, each of them lost half 800 uF of their capacity(Finally got at least LCR-T4), and got high ESR
                1 out of 4 Kemet caps died on desoldering, as one output lead desoldered(or what it has done) from the cap too. Other Kemet caps survived and still got good ESR in range from 0.07 to 0.11 and 360-380uF capacity

                Comment

                • stj
                  Great Sage 齊天大聖
                  • Dec 2009
                  • 30965
                  • Albion

                  #28
                  Re: Did I just bought a fakecap ?

                  a polymer with 0.11ohms sounds so wrong!

                  Comment

                  • xnRS
                    Senior Member
                    • Feb 2021
                    • 85
                    • Belarus

                    #29
                    Re: Did I just bought a fakecap ?

                    Originally posted by stj
                    a polymer with 0.11ohms sounds so wrong!
                    they are 330uf 6.3v, will check the datasheet for these Kemet A758

                    Comment

                    • xnRS
                      Senior Member
                      • Feb 2021
                      • 85
                      • Belarus

                      #30
                      Re: Did I just bought a fakecap ?

                      Originally posted by xnRS
                      they are 330uf 6.3v, will check the datasheet for these Kemet A758
                      So from datasheet it says ESR at 100 kHz 20°C is 16 mΩ

                      Comment

                      • stj
                        Great Sage 齊天大聖
                        • Dec 2009
                        • 30965
                        • Albion

                        #31
                        Re: Did I just bought a fakecap ?

                        0.016 is a lot less than 0.11

                        Comment

                        • xnRS
                          Senior Member
                          • Feb 2021
                          • 85
                          • Belarus

                          #32
                          Re: Did I just bought a fakecap ?

                          Originally posted by stj
                          0.016 is a lot less than 0.11
                          yea I know
                          also, btw, can you give me a link to a poly caps pls

                          Comment

                          • stj
                            Great Sage 齊天大聖
                            • Dec 2009
                            • 30965
                            • Albion

                            #33
                            Re: Did I just bought a fakecap ?

                            best i'v found in 8mm so-far is 1000uf, but i'm still looking

                            Comment

                            • xnRS
                              Senior Member
                              • Feb 2021
                              • 85
                              • Belarus

                              #34
                              Re: Did I just bought a fakecap ?

                              Originally posted by stj
                              best i'v found in 8mm so-far is 1000uf, but i'm still looking
                              I think this is would be hard one, as polymers are more wide and more low, so I found only 10mm 1800uf one...

                              Comment

                              • stj
                                Great Sage 齊天大聖
                                • Dec 2009
                                • 30965
                                • Albion

                                #35
                                Re: Did I just bought a fakecap ?

                                1500uf will be fine, but i suspect we wont find more than 1200uf.

                                Comment

                                • mockingbird
                                  Badcaps Legend
                                  • Dec 2008
                                  • 5484
                                  • -

                                  #36
                                  Re: Did I just bought a fakecap ?

                                  Of course they're fake.

                                  I have never seen Panasonic FL sold to the masses that were genuine, nor are they even manufactured any longer.

                                  Comment

                                  • brethin
                                    Badcaps Legend
                                    • Dec 2008
                                    • 1907
                                    • USA

                                    #37
                                    Re: Did I just bought a fakecap ?

                                    You got faked, keep crying.

                                    Comment

                                    • xnRS
                                      Senior Member
                                      • Feb 2021
                                      • 85
                                      • Belarus

                                      #38
                                      Re: Did I just bought a fakecap ?

                                      Originally posted by brethin
                                      You got faked, keep crying.
                                      wow, so toxic, funny man, get out of that forum. Noone wants to see you there

                                      Comment

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