> V=15 I=30-50mA Both those are so low that again just about any diode can do this. I would use a 1N4148 for such small signal applications because I keep them in stock. There is probably a tighter fit if this is a high volume product. ***************************************************************** Embed Inc, embedded system specialists in Littleton Massachusetts (978) 742-9014, http://www.embedinc.com -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body