I've started using these as drop in replacements for the 7805 in situations where the source voltage is too high for the shunt reg to run cool enough for my comfort. http://search.digikey.com/us/en/products/OKI-78SR-5%2F1.5-W36-C/811-2196-5-= ND/2259781 If they can get them down to about a buck and a half they'll be on to something... DougM On Thu, Dec 22, 2011 at 10:21 AM, John Gardner wrote: > Thanks, Joe - It works great! > > =A0Jack > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .