Re: gEDA-user: buzzing board

[Andy Peters <devel@xxxxxxxxx>]

On Sep 19, 2007, at 1:12 PM, DJ Delorie wrote:

>
>> Most relevant part of that article, "Use a part with thicker
>> dielectric, usually corresponding to a higher voltage rating. This
>> reduces the voltage gradient, which reduces piezoelectric noise, if
>> the package size increase is acceptable."
>
> What about switching to tantalums?  I can fit the EIA 3216
> (1206-sized) parts in that slot, allowing a 10uF 16v tant instead of
> the 22uf 16v (or 10uF 25v) ceramic.

Tantalums will work.  Just make sure you get "surge rated" parts.   
Otherwise, watch out for explosions at power-up.

-a



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