[sdiy] Favourite type of smd audio caps?

cheater00 cheater00 cheater00 at gmail.com
Wed Apr 5 19:33:50 CEST 2017


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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