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<p>We use Panasonic ECPU series PPS film caps in our mixers: 1uF in
1210 format. They are rather wonderful.</p>
<p>In 1206 I think they go up to .68uF.<br>
</p>
<p><br>
</p>
<p>Martin<br>
</p>
<br>
<div class="moz-cite-prefix">On 19/05/17 18:20, Paul Schreiber
wrote:<br>
</div>
<blockquote cite="mid:001101d2d0c4$34dcd1e0$9e9675a0$@airmail.net"
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<div class="WordSection1">
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">PPS
film.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Paul
S.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><a moz-do-not-send="true"
name="_MailEndCompose"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></a></p>
<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">
Synth-diy [<a class="moz-txt-link-freetext" href="mailto:synth-diy-bounces@synth-diy.org">mailto:synth-diy-bounces@synth-diy.org</a>] <b>On
Behalf Of </b>Quincas Moreira<br>
<b>Sent:</b> Friday, May 19, 2017 12:05 PM<br>
<b>To:</b> cheater00 cheater00<br>
<b>Cc:</b> synth-diy mailing list<br>
<b>Subject:</b> Re: [sdiy] Favourite type of smd audio caps?<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal">so, nobody ever chimed in here? I'm
interested as well. I like Polypropilene and Mica for
filters for example, but haven't been able to find them in
SMT<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal">On Wed, Apr 5, 2017 at 12:33 PM,
cheater00 cheater00 <<a moz-do-not-send="true"
href="mailto:cheater00@gmail.com" target="_blank">cheater00@gmail.com</a>>
wrote:<o:p></o:p></p>
<p class="MsoNormal">Hi guys,<o:p></o:p></p>
<div>
<p class="MsoNormal">What is your preferred type of smd
capacitors for audio circuits? I don't mean oscillators
(those get NP0/C0G caps), but all that other stuff,
including amplifiers, filters, voltage rail decoupling,
and ac coupling (output caps). I'm mainly interested in
0603, 0804, 1206 footprints.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">Obviously larger values might need to
be (some form of) cans with smd footprint, so if you
have a favourite of that type, mention that too.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">This is not about bypass capacitors
used in digital circuits (eg the x7r kind).<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">The main points for the smaller
(0603-1206) caps might be:<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">- available as smd, 0603 is best
(this kind of parts is in a sweet spot being cheaper
than larger or through-hole counterparts)<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">- no microphonics<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">- little temp co<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">- low esr<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">- available in relatively large-ish
values (1206 if necessary)<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">- low capacitance loss induced by dc
bias<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">- good for audio<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">- not insanely expensive<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">I'm interested in both your favourite
dielectric type, and specific manufacturers or model
families.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">What sorts of values do you normally
use in those applications? (It's enough to mention
ranges like "between .1 uF and 100 uF", listing every
value would naturally be too much trouble for people
answering)<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">Thanks<o:p></o:p></p>
</div>
<p class="MsoNormal" style="margin-bottom:12.0pt"><br>
_______________________________________________<br>
Synth-diy mailing list<br>
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<p class="MsoNormal"><br>
<br clear="all">
<o:p></o:p></p>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<p class="MsoNormal">-- <o:p></o:p></p>
<div>
<p class="MsoNormal">Quincas Moreira<br>
Test Pilot at VBrazil Modular<o:p></o:p></p>
</div>
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