<div dir="ltr"><div>Thanks for spelling that out for me, Steve! <br></div><div><br></div><div>It only occurred to me to try 10uf ceramic when I noticed them available in the "basic parts" catalog at JLCPCB.<br></div><div>The one I'm looking at is "CL21A106KAYNNNE". It's $0.03, 25v, X5R, 0805. I'm looking through the <a href="https://datasheet.lcsc.com/szlcsc/Samsung-Electro-Mechanics-CL21A106KAYNNNE_C15850.pdf">datasheet </a>and can't find anything to describe it's voltage dependent characteristics. Do I not know what I'm looking for, or do they leave that bit out?</div><div>I see they also have a 50v 1206 variety at $0.07.</div><div><br></div><div>Mark's message just in, thanks for sharing. Do you remember what voltage those 22uf 1206's were?</div><div><br></div><div>Colin<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, May 8, 2020 at 8:42 AM Ingo Debus <<a href="mailto:igg.debus@gmail.com">igg.debus@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><br>
> Am 05.05.2020 um 20:08 schrieb <a href="mailto:mskala@ansuz.sooke.bc.ca" target="_blank">mskala@ansuz.sooke.bc.ca</a>:<br>
> <br>
> On Tue, 5 May 2020, Ingo Debus wrote:<br>
>> Not necessarily. I once repleced a few electrolytics in a real old radio<br>
>> (from the sixties or so). Some had become leaky but others had a much<br>
>> higher capacitance than the value printed on them.<br>
> <br>
> Unless you have measurements of where they were at in the sixties, I<br>
> wouldn't conclude too much from this. Electrolytic caps often have very<br>
> wide tolerance ranges, like -20% +100%, so if the printed value is 10000uF<br>
> and it now reads 12000uF, it could actually have started at 20000uF and<br>
> lost 40% of its initial value; or it could have started at 12000uF and<br>
> suffered no aging at all.<br>
<br>
Ha, I still have some of those caps. The most extreme part has „500/3“ printed on it (I suppose that means 500 µF, 3 volts), and it measures about 1570 µF with an Agilent DMM.<br>
<br>
Ingo<br>
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