> I found in some schematics on the 'net a 0.01uF capacitor with > polarity. not that i know of, electrolytics and tantalums tend to be much bigger than that. where did you find theese schematics? have you contacted the author? its quite possible that he is just in the habbit of using symbols with polarity marked regardless of if the physical component is polarised. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist