Hi Technos, I have a lead-free board, but some nasty leadless comps are only available leaded, so not supporting 240C. I am thinking what about soldering everything that works at lead-free temps and then make another soldering pass at about 210C with these comps only. Will this affect the reliability of the lead-free joints, since the solder will get almost pasty? Did anybody try this? I agree with the ones that will say: "what the heck, they cannot give you compliant parts, don't do it", but it is an important project, the customer knows what this means, but they want to risk. Btw, I have to make sure the original reliability of the lead-free joints, as good as it is, will not be latered, it is a high-rel application. Thanks, Ioan --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 1.8e To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/archives Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 -----------------------------------------------------