> From what I've learned over the years although I can't put my finger > on the source, an electrolytic should be used close to its rated voltage > > Then there's also the stuff about forming the cap if it's been sitting > for quite some time. > > Does anyone have anymore information on this? If you search for tantalum in the PIClist mail archives there are all sorts of electrolytic-related threads. I'm pretty sure Russell mentioned what you said above, but I don't remember the actual thread -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist