[sdiy] Favourite type of smd audio caps?

[Paul Schreiber]

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> 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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