All this talk of FET's is bringing back some fuzzy memories of it when in class. Thats what happens when you just do digital design for years. These are bidirectional devices right? Such that it doesnt matter if the load is attached to the drain or source? Or does it matter? _________________________________________________________________ MSN 8 with e-mail virus protection service: 2 months FREE* http://join.msn.com/?page=features/virus -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.