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Please help me identify this capacitor

Discussion in 'General Electronics Discussion' started by Phil1974, Jul 28, 2014.

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  1. Phil1974

    Phil1974

    3
    0
    Jul 28, 2014
    Sorry if this is in the wrong forum, I just need an answer on this pretty quick so I can order one, and this seemed most active. Basically, I just need to replace this, I am no expert but I looked on ebay under 476 16V and none seemed to match and a lot were pictured upside down, unhelpfully. Which capacitor is this please?
     

    Attached Files:

  2. davenn

    davenn Moderator

    13,653
    1,886
    Sep 5, 2009
    hi Phil
    welcome to Electronics point

    its a 47uF 16V capacitor

    474 = 0.47uF
    475 = 4.7uF
    476 = 47uF


    cheers
    Dave
     
  3. Arouse1973

    Arouse1973 Adam

    5,164
    1,081
    Dec 18, 2013
    Also it's a Tantalum capacitor so you have to check on the package size. Tantalum capacitors come in packages in either dimension format or case size like A,B,C and D. Unfortunately you can get the same value of capacitance and the same voltage rating in different sizes so you need to check before you buy.

    Thanks
    Adam

    New Picture.png
     
  4. KrisBlueNZ

    KrisBlueNZ Sadly passed away in 2015

    8,393
    1,270
    Nov 28, 2011
    Yes, 47 µF, 16V tantalum capacitor in SMT package. The K may indicate Kemet manufacturer. These are available in several sizes. Measure the dimensions and see which is the closest match.
    Size code C: 6.0 × 3.2 mm, 2.8 mm high
    Size code D: 7.3 × 4.3 mm, 3.1 mm high
    Size code V: 7.3 × 4.3 mm, 2.0 mm high
    Tantalum capacitors are known to be unreliable and cheap no-brand ones are likely to be worse than others. I wouldn't trust an anonymous supplier on eBay; Digikey will supply a genuine part. Their selection guide: http://www.digikey.com/product-search/en?FV=fff40002,fff8000a,fffc018f,c0003,14000c,3400ba,380009,1140003,2dc155c&ColumnSort=987&stock=1

    Adam: Snap!
     
  5. Phil1974

    Phil1974

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    Jul 28, 2014
    That is great guys, thank you, its a size C. Do you know what the writing down the side means, it looks like W0 or is it an Ohm symbol and 84? :confused:
     
  6. KrisBlueNZ

    KrisBlueNZ Sadly passed away in 2015

    8,393
    1,270
    Nov 28, 2011
    According to the Kemet data sheets (yes, the K symbol means Kemet), "WO" is the date code - the "O" means October, but "W" doesn't match any of the year letters listed on the data sheet, which cover 2009~2014, and "84" is described as an "internal code", which means that it means something, but they don't want to tell us what.
     
  7. Phil1974

    Phil1974

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    Jul 28, 2014
    thanks, that's great :)
     
  8. Arouse1973

    Arouse1973 Adam

    5,164
    1,081
    Dec 18, 2013
    It looks like it is a B45 series and W = 2008.
    Thanks
    Adam
     
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