> 'Disc' is the generic term for ceramic. They are useful in non-critical
> applications such as decoupling. They come in a wide variety of voltage and
> capacity ratings. You will find designations such as Z5U and NPO on ceramics
> to specify the thermal coefficient of capacity. In some high or low temperatureapplications this is an important consideration. It is however of little
> use to the audio community. Ceramics also display a very low ESR. In
>
The comment about Z5U vs. NPO is not exactly correct; yes, these ARE
indications of temperature dependence, but they may be a concern in
audio (and other applications), as "Z5U" material is typically of low
quality (more voids, etc.). Use X7R at least, and NPO if at all possible.
Bob Myers KC0EW Hewlett-Packard Co. |Opinions expressed here are not
User Interface Tech. Div.|those of my employer or any other
myers@fc.hp.com Fort Collins, Colorado |sentient life-form on this planet.
