piclist-bounces@mit.edu wrote: > I looked at projected lifetimes for > different caps, using Jim William's formula, and ended up > with three "cheapo" caps in parallel. useful info, thanks for sharing. Is this the same Jim Williams that writes Linear's app notes on switchers? would you have a link or reference handy for this formula? -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist