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(k) in CAP uF Designation?

Discussion in 'Electronic Repair' started by Forrest, Apr 23, 2008.

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  1. Forrest

    Forrest Guest

    I've been posting about changing out the caps in my Toshiba TV. I have
    gotten a lot of help, and being a rookie I sure appreciate it ... thanks.
    I'm at the point to where I'm shopping for the caps and trying to get them
    all from the same place and only have to pay postage once. I have a question
    about the (K) being added to a few of them. I think someone else posted
    about that a month ago or so and I can't find it. Most just have the number
    of uF and the voltage but a couple of them are different. One says, 1 uF- 50
    V but has a (K) above the uF, and another is labeled, 10 uF K and is 16 V.
    What's up with that? It can't be multiplied by 1,000 can it? They are both
    pretty small in size. Gotta get this all figured out before I can order what
    I need. Thanks in advance for your help.
     
  2. James Sweet

    James Sweet Guest

    Just ignore the K, it's probably a manufacturing date code or something.
     
  3. Smitty Two

    Smitty Two Guest

    tolerance = 10%

    http://electronics2000.co.uk/data/itemsaf/capmarks.php
     
  4. Forrest

    Forrest Guest

    Great! ... Gotcha. Seeing a "K" made me think of a thousand, but I doubted
    it, since the cap was so small. Now, I guess, my next question is ... if I
    can't find one with that tolerance at the place I'm ordering from, can I go
    with a 20%, if that's the best that they have?
     
  5. James Sweet

    James Sweet Guest

    It should be fine. When I fixed a few of these sets, I used whatever
    capacitors I had on hand, they worked perfectly.
     
  6. Arfa Daily

    Arfa Daily Guest

    Electro's are pretty good for tolerance these days, but in the past, the
    typical tolerance was asymmetric with a huge spread - like -20 / +80%. As
    James says, pretty much anything that comes to hand from that point of view.
    More important is to check the temperature rating. Most are 85 deg in
    'general' applications, but some may be 105 deg types. An experienced tech
    will sometimes sub 105's for 85's in some positions, to improve long-term
    reliability.

    Arfa
     
  7. Eeyore

    Eeyore Guest

    10% tolerance.

    http://wiki.xtronics.com/index.php/Capacitor_codes
    may be useful

    Graham
     
  8. Forrest

    Forrest Guest

    Okily, dokily neighbors,
    I got my caps ordered today from Parts Express. Gonna take a week to get
    here. I got as many of the caps as I could with the higher temp rating. With
    some, I had to get a little higher voltage. Thanks again. Over n' out.
     
  9. Smitty Two

    Smitty Two Guest

    Out.
     
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