> Anyone have a link to a site that has details of the failure modes of power > MOSFETs ? ON semi (woz Motorola) AN929 talks about achieving reliable performance with MOSFETS - which is the other side of the same problem. Russell McMahon _____________________________ -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.