Yes, you have to. The 30 u inch has +/- 10 ....it would be too thick....(it is hard gold for insertion connector...not a very fast dissolving one)...my 2 cents jk At 04:20 PM 7/31/00 EDT, you wrote: >Hi ya'll! > >We've got a board here that we're going to be assembling that is transferring >from one of our other plants. They sent us a "Gold Board" so that we could >look at it and have it in front of us to help when we write the work >instructions. > >It's a all PTH board and quite large. All along one edge of the board there >are these right-angle headers. They're from FCI/Berg and gold plated. > >I noticed on the "Gold Board" it looked like they had been pre-tinned. I >hadn't ever seen that before. I went back to the stockroom and checked the >parts we had back there, and the whole header was gold plated. I called our >sister plant and asked if they pre-tinned the headers before installing them. >They said they did. I asked is this something the customer requested and they >said no, but that it was something you ALWAYS did when you are dealing with >gold plated parts... > >I went to FCI's web page to see how much gold was plated on them, but I >couldn't find the exact part there (they're still updating the web page with >part numbers since they bought Berg). But the gold plating thickness that I >read on the page with similar parts was either 30-µin., or 15-µin...that >doesn't seem to me like there's enough there to worry about gold >embrittlement, especially with a PTH joint... > >Do we REALLY need to pre-tin these things? > >Thanks! > >-Steve Gregory- > >############################################################## >TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c >############################################################## >To subscribe/unsubscribe, send a message to [log in to unmask] with following text in >the body: >To subscribe: SUBSCRIBE TECHNET <your full name> >To unsubscribe: SIGNOFF TECHNET >############################################################## >Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional >information. >If you need assistance - contact Keach Sasamori at [log in to unmask] or >847-509-9700 ext.5315 >############################################################## > ############################################################## TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c ############################################################## To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE TECHNET <your full name> To unsubscribe: SIGNOFF TECHNET ############################################################## Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information. If you need assistance - contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ##############################################################