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Re: [PLUG] OT: SMD capacitor
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Looking at the EEM, the description and notation seems to be United Chemi-
con who does have a web site at www.chemi-con.com
bs
On Wed, 12 Jul 2006, Eric Hidle wrote:
>
> Judging from the location, it doesn't look like a DC-DC output cap, but
> rather a bulk supply cap for the graphics processor. The DC-DC
> converters are nestled in that jungle of tin cans at the up-end of the
> board. That said, it could very well be a tantalum... 16VDC is a pretty
> high voltage for a solid polymer cap in that large a capacitance...
>
> Anyway, check out AVX TPS series caps for a replacement... they're
> probably available at digikey in onesies... perhaps a TPSD476M016
> E
>
>
>
> gyoza@comcast.net wrote:
> > Here are pictures of the capacitor.
> > http://reddragoncanoeclub.org/paul/9600/
> >
> > The card is just to show the location and relative size of the cap.
> > The only difference is that my cap is black and my board is green. heh.
> >
> > I was assuming the cap is tantalum.
> >
> >
> > Eric Hidle wrote:
> >> What package is the bad capacitor in and what chemistry was it?
> >> Chances are it was a low-ESR polystyrene or aluminum-polymer cap, in
> >> which case you do not want to replace it with just any off-the-shelf
> >> tantalum or electrolytic capacitor. The DC-DC converters on video
> >> cards are ultra-clean and depend upon a very low amount of resistance
> >> in the output caps to minimize ripple.
> >>
> >> Was this thing a round tin can?
> >> E
> >>
> >> gyoza@comcast.net wrote:
> >>> Nevermind. heh. I will try the radial capacitor. (I found
> >>> #electronics on Freenode.net)
> >>>
> >>> gyoza@comcast.net wrote:
> >>>> I have a Radeon 9600 Pro video card with a bad surface mount
> >>>> capacitor (C2). I'm not sure of the value of it. It's labeled
> >>>> "47" and "16V" which I read as 47uF, 16V. Does that sound
> >>>> correct? It is a black SMD capacitor with a white end to indicate
> >>>> polarity. The size is roughly 7mm x 3.5mm x 2mm. I need to
> >>>> identify it enough to replace it. Would it be too wacky to use a
> >>>> huge radial capacitor to replace it?
> >>>> ___________________________________________________________________________
> >>>>
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> >>> ___________________________________________________________________________
> >>>
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> >>> Announcements -
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> >> ___________________________________________________________________________
> >>
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> >> http://www.phillylinux.org
> >> Announcements -
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> >> General Discussion --
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> >>
> > ___________________________________________________________________________
> >
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> > http://www.phillylinux.org
> > Announcements -
> > http://lists.phillylinux.org/mailman/listinfo/plug-announce
> > General Discussion --
> > http://lists.phillylinux.org/mailman/listinfo/plug
>
> ___________________________________________________________________________
> Philadelphia Linux Users Group -- http://www.phillylinux.org
> Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce
> General Discussion -- http://lists.phillylinux.org/mailman/listinfo/plug
>
___________________________________________________________________________
Philadelphia Linux Users Group -- http://www.phillylinux.org
Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce
General Discussion -- http://lists.phillylinux.org/mailman/listinfo/plug
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