[sdiy] Through-Hole MLCC capacitors

[Andre Majorel]

On 2017-07-18 21:08 +0200, ASSI wrote:
> On Tuesday, July 18, 2017 7:03:29 AM CEST James Grenert wrote:
> > Generally, I get my caps from Mouser, but right now Jameco has great
> > deals on AVX ceramic caps, including 0.1uF X7R, which is far and away
> > my most commonly used value of ceramic cap:
> 
> I'd stay away from X7R even for bypassing in audio circuits
> unless you know exactly what you're doing and where it's used.
> That X7R dielectric sure is funky and has all sorts of
> interesting behaviour that can make problems if it turns up in
> unexpected places.

Are you saying this about X7R specifically or all high-K caps ?
Because if Z5U and friends are out as well, I think that leaves
only PET (mylar).

> All high-k dielectrics (X, Y and Z designation) are also
> piezoelectric to various degrees and hence microphonic, which
> can lead to some hilarious wild goose chases (they're
> hilarious if you're watching and not so much if you do the
> chasing).

-- 
André Majorel http://www.teaser.fr/~amajorel/