Broken Laptop SMD capacitor

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  • jadas
    New Member
    • Nov 2011
    • 3
    #1

    Broken Laptop SMD capacitor

    I try to replace a broken smd capacitor from an Acer Aspire 5920 motherboard.

    After searching I figured it is a tantalum smd capacitor. Here is an image:



    ( Letters were not very clear so I used Paint )

    Could you please help me identify it? I suppose 470 means 470uF , but what 70Dt stands for?

    Thanks in advance,
    Jadas.
    Tags: None
    • Th3_uN1Qu3
      Believe in
      • Jul 2010
      • 6031
      • Romania
      #2
      Re: Broken Laptop SMD capacitor

      Yes it is 470uF. I think 70Dt is simply a manufacturing date. Where is it located? It could be either 6.3v, 16v of 25v depending on the circuit - use a lower voltage cap and it will blow up, while a higher voltage one may not physically fit.
      Originally posted by PeteS in CA
      Remember that by the time consequences of a short-sighted decision are experienced, the idiot who made the bad decision may have already been promoted or moved on to a better job at another company.
      A working TV? How boring!

        Comment

        • tom66
          EVs Rule
          • Apr 2011
          • 32560
          • UK
          #3
          Re: Broken Laptop SMD capacitor

          "D" is 20V rated.
          Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
          For service manual, schematic, boardview (board view), datasheet, cad - use our search.

            Comment

            • jadas
              New Member
              • Nov 2011
              • 3
              #4
              Re: Broken Laptop SMD capacitor

              Thanks for both answers.

              tom66 : Did you identify the model ? Could you tell me where did you find that info, in case something breaks again?

                Comment

                • jadas
                  New Member
                  • Nov 2011
                  • 3
                  #5
                  Re: Broken Laptop SMD capacitor

                  After some more searching I found out that capacitors are marked with capacitance in pF,
                  but if that was the case here we would have 47*10^0 pF which I dont think it is manufactured. So it can only be 470uF ?
                  Also the only thing that could relate with Voltage would be the letter D.
                  So my only choice would be a 470uF , 20V capacitor ?

                  Please correct me if I'm wrong.

                    Comment

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