[sdiy] capacitor ID

[harry]

RE : the heat stain....

no it was dark brown (chocolate color) on the back side of the perfboard...
presumably under the IC chip ?   Digital cameras are not that good at seeing
both sides at once... but when I see that color on a perfboard I assume it got
very hot at some time...

H^) harry



Rude 66 wrote:

> >
> >    Wow, gotta love the internet!  ;)
>
> and digital camera's.. and cable access..;-)
>
> >    Definately a tantalum (read _EVIL_!) 1uF 35V.  Use Electrolytic in
> > stead if you really want to save yourself some future headaches!
> >
>
> what's bad about them? quality? tolerance?
>
> >    Looks like tantalums again, so it's just like the first set, 1uF.
> > Again, you might want to find something else to replace these with.
> > More than likely these are doing nothing more than filtering the supply
> > line to the IC's, so it would do to add a beefier part here anyway (you
> > really don't want these shorting out the power line!).  Again I'd go with
> > electrolytic.
>
> beefier as in 'different material' or as in 'higher value'?
>
> >
> > > does that help?
> >
> >    Immensely!  Hope we've been of help too!
>
> so far excellent! now all i have to do is translate all this into dutch for
> the guy at the electronics shop to understand it..;-)
>
> btw that stain is not a heat stain, but rather some type of glue or glue
> residue. (you mean the white stuff, right?)
>
> thanks guys!
>
> r./

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