> These guys are rated 10k cycles > > http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=3D70AAJ-= 6-M0-ND >From my understanding these mate with a PCB edge / landing, right? If that's the case then the connector will (will it?*) far outlive the mating PCB side. * Does anyone have any data on the endurance of a PCB edge or land, for gold, tin or whatever? I've seen anecdotal numbers but no guarantees anywhere. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .