Re-design the stencil opening into two or more section as compared to one whole opening. It will help. -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Guy Ramsey Sent: Wednesday, 24 June 2009 3:37 AM To: [log in to unmask] Subject: Re: [TN] Float Electrolytic Caps Check solderability of the component terminals. If the part does not accept solder well it may float off the pad before it begins to wet. But, I would expect the part to shift to the side too. Guy -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Russell Nowland Sent: Friday, June 19, 2009 11:32 AM To: [log in to unmask] Subject: [TN] Float Electrolytic Caps Hello everyone, I have an entering situation that my EMS has not been able to figure out. We use several SMT Electrolytic Capacitors that are sliding off of the pads. The pad design is per the recommended my the device suppliers and also comply with our normal design parameters. The issue is the device wants to slide toward the heel and toe so you end up with pad overhang and clearance issues. The pad design is narrow enough that it is not twisting. My EMS's current solution is to apply a couple of glue dots under the device to secure it before the solder reflows. I am not real crazy for this process for several reasons but they asked permision and it does not violate any requirements. Have any of you seen this and how are you handling it? Hopefully without glue. Thanks Russ Nowland --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 15.0 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 ----------------------------------------------------- --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 15.0 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 ----------------------------------------------------- --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 15.0 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 -----------------------------------------------------