if the hardness of your gold contact not match with slot, and/or the gold quality inferior compare to the slot, you are asking for trouble. (especially, for low voltage contact). my 2 cents. there are many guideline for zif insertion contact... do a google search will do you a lot of good. good luck. jk On Sep 17, 2014, at 6:13 PM, Carl VanWormer wrote: > We have a PCI Express card edge connector that accepts a PCB with > Gold plated fingers. The hard Gold plating costs extra money. > Since the board will only be plugged into the connector a few > times, it was suggested that we just use an ENIG plated PCB. The > ENIG is a much thinner plating, compared to the hard Gold plating > usually used for PCB edge connectors. I've been unable to locate > information on this choice. Have any TechNetters tried this cheap > approach? I'm looking for success or failure stories to add to our > discussions. > > Thanks, > Carl > > > > Carl B. Van Wormer, P.E., AE7GD > Senior Hardware Engineer > Cipher Engineering LLC > 21195 NW Evergreen Pkwy Ste 209 > Hillsboro, OR 97124-7167 > 503-617-7447x303 > > [log in to unmask]<mailto:[log in to unmask]> > http://cipherengineering.com<http://cipherengineering.com/> > > This message may contain confidential and/or proprietary > information, and is intended for the person/entity to whom it was > originally addressed. Any use by others is strictly prohibited. If > I sent this to you by mistake, please be nice and delete it, and > then tell me of my mistake so I can send it to the right person. > > > > ______________________________________________________________________ > This email has been scanned by the Symantec Email Security.cloud > service. > For more information please contact helpdesk at x2960 or > [log in to unmask] > ______________________________________________________________________ ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________