there is very little difference in capacitors.  It is just that the
ceramic ones are not polarized where the other ones (tantalium?) are; if
you put them in backwards you will get a little explosion (really small
"pop").
-Matthew

Matthew Pollard             http://www.uidaho.edu/~poll7356
Dept. of Chemistry               http://www.chem.uidaho.edu
University of Idaho                   http://www.uidaho.edu