Good site with info about types of capacitors, etc. http://leonardo.eeug.caltech.edu/~ee14/lab1cds.html And more links to similar sites... http://www.hallbar.com/capacitors.html Mike H. _________________________________________________________________ Get rid of annoying pop-up ads with the new MSN Toolbar FREE! http://toolbar.msn.com/go/onm00200414ave/direct/01/ -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads