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Trying to repair my power supply

Discussion in 'Troubleshooting and Repair' started by Floly_lolye, Mar 20, 2017.

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  1. Floly_lolye

    Floly_lolye

    7
    3
    Mar 20, 2017
    I Need help I have got a 105 35k cap in my Power supply it expolds am I wright that 105 is 1uf at 35VDC
    This cap was connectet to the 12V output the proplem is its a diy power supply and I didn't Build it pleas help me guys Thanks
     
  2. duke37

    duke37

    5,297
    739
    Jan 9, 2011
    105 is a common temperature rating of an electrolytic capacitor. Post a picture so we can do a better estimate.
     
    Floly_lolye and davenn like this.
  3. davenn

    davenn Moderator

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    1,830
    Sep 5, 2009
    indeed

    is it an electrolytic or a disc ceramic cap ?
     
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  4. Floly_lolye

    Floly_lolye

    7
    3
    Mar 20, 2017
    Tommorrow I will upload a pictur or maybe today

    Thank you guys!
     
    davenn likes this.
  5. Floly_lolye

    Floly_lolye

    7
    3
    Mar 20, 2017
    Here is the picture
     

    Attached Files:

  6. Audioguru

    Audioguru

    2,725
    614
    Sep 24, 2016
    It is a polarized tantalum capacitor that explodes if it is connected backwards. It is printed 35k not 35V.
    I used tantalum capacitors 50 years ago and they all blew up but none were connected backwards. All had the manufacture's name on them and if yours does then you can look up what the numbers mean.
     
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  7. davenn

    davenn Moderator

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    Sep 5, 2009
    yup a
    1uF, 35V, tant cap

    they do fail occasionally and often spectacularly :)
     
    Floly_lolye likes this.
  8. Floly_lolye

    Floly_lolye

    7
    3
    Mar 20, 2017
    Okay thanks sould I Take i foil cap 1uf 50V or something other?


    Thank you!
     
    davenn likes this.
  9. davenn

    davenn Moderator

    13,496
    1,830
    Sep 5, 2009
    yup, a standard 50V 1uF electrolytic cap will be just fine
    Use a 105 degree temperature rated one
     
  10. Floly_lolye

    Floly_lolye

    7
    3
    Mar 20, 2017
    Thank you guys I'm going to order some and replace the old caps one of them is still a big thicker then the others.

    :D;)
     
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