Capacitor value.

Discussion in 'Electronic Basics' started by WAZ, Aug 7, 2006.

  1. WAZ

    WAZ Guest

    I have some basic quation about Capacitor question , i want to know wht
    is the value of ceramic capacitor on which

    printed
    1.( 471 )
    2. (681)
    3.(047)
    4.(104)
    5.(223 with underline)
    6.(82J with underline)
    7.(473 Z)
    8.(101J)
    9.(.01 AEC)
    10.(333K)

    If you know any shortcut method for finding the value please , let me
    know.

    Waism Shaikh
     
    WAZ, Aug 7, 2006
    #1
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  2. WAZ

    PeteS Guest

    WAZ wrote:
    > I have some basic quation about Capacitor question , i want to know wht
    > is the value of ceramic capacitor on which
    >
    > printed
    > 1.( 471 )
    > 2. (681)
    > 3.(047)
    > 4.(104)
    > 5.(223 with underline)
    > 6.(82J with underline)
    > 7.(473 Z)
    > 8.(101J)
    > 9.(.01 AEC)
    > 10.(333K)
    >
    > If you know any shortcut method for finding the value please , let me
    > know.
    >
    > Waism Shaikh


    I think you nay have asked this before

    471 = 470pF

    The code is

    1st significant digit
    2nd significant digit
    Multiplier

    Answer in pF

    Some are noted directly in uF, such as your number 9

    The letters are tolerance. K = 10%, J = 5%

    See http://www.ee.washington.edu/circuit_archive/capacitors.html for a
    decent overview

    Note it took me 5 seconds using google search to find that. Try it,
    you'll like it.

    Cheers

    PeteS
     
    PeteS, Aug 7, 2006
    #2
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  3. WAZ

    HKJ Guest

    WAZ wrote:
    > I have some basic quation about Capacitor question , i want to know wht
    > is the value of ceramic capacitor on which
    >
    > printed
    > 1.( 471 )
    > 2. (681)
    > 3.(047)
    > 4.(104)
    > 5.(223 with underline)
    > 6.(82J with underline)
    > 7.(473 Z)
    > 8.(101J)
    > 9.(.01 AEC)
    > 10.(333K)
    >
    > If you know any shortcut method for finding the value please , let me
    > know.


    With the numbers it is very easy, the two first digits are the value,
    the last digit is number of zeros, then your have the value in pF.

    Or your can download this program:
    http://www.miscel.dk/MiscEl/miscelComponentTypeNumbers.html
    and enter the codes into the "Type number" field.

    It will both decode the numbers and letters.
     
    HKJ, Aug 7, 2006
    #3
  4. WAZ

    Eeyore Guest

    PeteS wrote:

    > Some are noted directly in uF, such as your number 9


    Number 3 also looks suspiciously like it might be .047uF too.

    Graham
     
    Eeyore, Aug 7, 2006
    #4
  5. WAZ

    PeteS Guest

    Eeyore wrote:
    > PeteS wrote:
    >
    > > Some are noted directly in uF, such as your number 9

    >
    > Number 3 also looks suspiciously like it might be .047uF too.
    >
    > Graham


    Oops

    Gotta agree

    For the OP

    If it says .xxx it is VERY probably in microfarads.

    Cheers

    PeteS
     
    PeteS, Aug 7, 2006
    #5
  6. WAZ

    jasen Guest

    On 2006-08-07, WAZ <> wrote:
    > I have some basic quation about Capacitor question , i want to know wht
    > is the value of ceramic capacitor on which
    >
    > printed
    > 1.( 471 )


    470pF

    > 2. (681)

    680pF

    > 3.(047)

    47pF ???

    > 4.(104)

    100000pF

    > 5.(223 with underline)

    22000pF

    > 6.(82J with underline)

    82pf

    > 7.(473 Z)

    47000pF

    > 8.(101J)

    100pF

    > 9.(.01 AEC)


    0.01uF = 10000pF

    > 10.(333K)


    33000pF

    > If you know any shortcut method for finding the value please , let me
    > know.


    most of them read like the resistor colour code

    Bye.
    Jasen
     
    jasen, Aug 8, 2006
    #6
  7. WAZ

    Eeyore Guest

    jasen wrote:

    > On 2006-08-07, WAZ <> wrote:
    > > I have some basic quation about Capacitor question , i want to know wht
    > > is the value of ceramic capacitor on which
    > >
    > > printed
    > > 1.( 471 )

    >
    > 470pF
    >
    > > 2. (681)

    > 680pF
    >
    > > 3.(047)

    > 47pF ???


    Maybe 0.047uF = 47nF ( 47000pF ) - not clear.


    > > 4.(104)

    > 100000pF


    0.1 uF ( 100nF )

    > > 5.(223 with underline)

    > 22000pF


    0.022uF ( 22nF )


    Graham
     
    Eeyore, Aug 8, 2006
    #7
  8. WAZ

    Rich Grise Guest

    On Tue, 08 Aug 2006 12:51:16 +0100, Eeyore wrote:
    > jasen wrote:
    >> On 2006-08-07, WAZ <> wrote:
    >> > I have some basic quation about Capacitor question , i want to know wht
    >> > is the value of ceramic capacitor on which
    >> >
    >> > printed
    >> > 1.( 471 )

    >>
    >> 470pF
    >>
    >> > 2. (681)

    >> 680pF
    >>
    >> > 3.(047)

    >> 47pF ???

    >
    > Maybe 0.047uF = 47nF ( 47000pF ) - not clear.



    Yeah - could be 040,000,000 pf. ;-)

    How big is it? That should tell you a lot.

    Thanks!
    Rich
     
    Rich Grise, Aug 8, 2006
    #8
  9. WAZ

    Jamie Guest

    In <>,
    Eeyore <> mentions:
    >
    >
    >jasen wrote:
    >
    >> On 2006-08-07, WAZ <> wrote:
    >> > I have some basic quation about Capacitor question , i want to know wht
    >> > is the value of ceramic capacitor on which
    >> >
    >> > printed
    >> > 1.( 471 )

    >>
    >> 470pF
    >>
    >> > 2. (681)

    >> 680pF
    >>
    >> > 3.(047)

    >> 47pF ???

    >
    >Maybe 0.047uF = 47nF ( 47000pF ) - not clear.


    I've had similiar questions, (what really throws me off is when I see sometimes 'u'
    sometimes 'mfd' and I never know what's what!)

    I wrote a web-script that's supposed to help with this, but.. as I myself often
    get confused by this, I can't really confirm it's accuracy:

    http://podtronic.podro.com/calc_unit.php

    Hopefully(!) the above is somewhat useful, the result is in literal farads (or rather,
    is supposed to be)

    It shows 470pf as:

    0.00000000047 (farads)

    The idea was to produce a decimal that can be cut-n-pasted into a calculator or
    something.

    Jamie
    --
    http://www.geniegate.com Custom web programming
    (rot13) User Management Solutions
     
    Jamie, Aug 9, 2006
    #9
  10. WAZ

    PeteS Guest

    Jamie wrote:
    > In <>,
    > Eeyore <> mentions:
    > >
    > >
    > >jasen wrote:
    > >
    > >> On 2006-08-07, WAZ <> wrote:
    > >> > I have some basic quation about Capacitor question , i want to know wht
    > >> > is the value of ceramic capacitor on which
    > >> >
    > >> > printed
    > >> > 1.( 471 )
    > >>
    > >> 470pF
    > >>
    > >> > 2. (681)
    > >> 680pF
    > >>
    > >> > 3.(047)
    > >> 47pF ???

    > >
    > >Maybe 0.047uF = 47nF ( 47000pF ) - not clear.

    >
    > I've had similiar questions, (what really throws me off is when I see sometimes 'u'
    > sometimes 'mfd' and I never know what's what!)
    >
    > I wrote a web-script that's supposed to help with this, but.. as I myself often
    > get confused by this, I can't really confirm it's accuracy:
    >
    > http://podtronic.podro.com/calc_unit.php
    >
    > Hopefully(!) the above is somewhat useful, the result is in literal farads (or rather,
    > is supposed to be)
    >
    > It shows 470pf as:
    >
    > 0.00000000047 (farads)
    >
    > The idea was to produce a decimal that can be cut-n-pasted into a calculator or
    > something.
    >
    > Jamie
    > --
    > http://www.geniegate.com Custom web programming
    > (rot13) User Management Solutions



    In my long ago basic training, courtesy of the Royal Naval Air
    Engineeering School, we had to do what felt like interminable
    conversions.

    Typical :
    Convert 0.01 microfarad to picofarad.
    Convert 2 pF to Farad

    Wash, repeat interminably.

    Keep in mind these were the days one could also still commonly find (in
    a schematic) uuf (where u -> mu, so micromicrofarad) for pF, and the
    term nanofarad was merely a theoretical possibility ;)

    All came in useful though :)

    Cheers

    PeteS
     
    PeteS, Aug 9, 2006
    #10
  11. WAZ

    Jamie Guest

    In <>,
    >In my long ago basic training, courtesy of the Royal Naval Air
    >Engineeering School, we had to do what felt like interminable
    >conversions.
    >
    >Typical :
    >Convert 0.01 microfarad to picofarad.
    >Convert 2 pF to Farad
    >
    >Wash, repeat interminably.


    I've never had any training, kind of wish I did though. It's an interesting
    subject, ever since I was a kid I'd mess around with the stuff.

    >Keep in mind these were the days one could also still commonly find (in
    >a schematic) uuf (where u -> mu, so micromicrofarad) for pF, and the
    >term nanofarad was merely a theoretical possibility ;)
    >
    >All came in useful though :)


    I think the math (and parts cost) were the two main factors pushing
    me away from electronics as a professional career.

    Too much math! :) (funny thing is, looking at it now, most of the math
    really isn't that hard if you study it for awhile and maybe ask stupid
    questions.. just rather tedious)

    Have the same problem when I try to comprehend the Knuth books.

    Jamie
    --
    http://www.geniegate.com Custom web programming
    (rot13) User Management Solutions
     
    Jamie, Aug 9, 2006
    #11
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