[sdiy] Favourite type of smd audio caps?

[Martin Klang]

We use Panasonic ECPU series PPS film caps in our mixers: 1uF in 1210
format. They are rather wonderful.

In 1206 I think they go up to .68uF.


Martin


On 19/05/17 18:20, Paul Schreiber wrote:
>
> PPS film.
>
>  
>
> Paul S.
>
>  
>
>  
>
> *From:*Synth-diy [mailto:synth-diy-bounces at synth-diy.org] *On Behalf
> Of *Quincas Moreira
> *Sent:* Friday, May 19, 2017 12:05 PM
> *To:* cheater00 cheater00
> *Cc:* synth-diy mailing list
> *Subject:* Re: [sdiy] Favourite type of smd audio caps?
>
>  
>
> 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
>
>  
>
> On Wed, Apr 5, 2017 at 12:33 PM, cheater00 cheater00
> <cheater00 at gmail.com <mailto:cheater00 at gmail.com>> wrote:
>
> Hi guys,
>
> 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.
>
>  
>
> 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.
>
>  
>
> This is not about bypass capacitors used in digital circuits (eg the
> x7r kind).
>
>  
>
> The main points for the smaller (0603-1206) caps might be:
>
>  
>
> - available as smd, 0603 is best (this kind of parts is in a sweet
> spot being cheaper than larger or through-hole counterparts)
>
> - no microphonics
>
> - little temp co
>
> - low esr
>
> - available in relatively large-ish values (1206 if necessary)
>
> - low capacitance loss induced by dc bias
>
> - good for audio
>
> - not insanely expensive
>
>  
>
> I'm interested in both your favourite dielectric type, and specific
> manufacturers or model families.
>
>  
>
> 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)
>
>  
>
> Thanks
>
>
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>
>
>  
>
> -- 
>
> Quincas Moreira
> Test Pilot at VBrazil Modular
>
>
>
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