Joerg Reisenweber wrote: > 2 * 47uF ~= 100uF > sigma-ESR = ESR/1 / 2 > even better > 3 * 47uF ~= 150uF > sigma-ESR = ESR/1 / 3 > ;-) Hmm, interesting idea. Let's see ... 47 uF, ESR <= 500 mOhm, 4 V or 6.3 V, ... Naw, still about the same set of choices. Even if I include 33 uF. - Werner