I'm using two versions of that package. One is a single LED, while the other is a dual LED. Both use the same footprint, but the dual uses the middle connection. The center pad does seem to help with the centering. Carl Van Wormer Cipher Systems 1800 NW 169th Place, Suite B-100 Beaverton, OR 97006 Phone (503)-617-7447 Fax (503)-617-6550 -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Stephen Gregory Sent: Wednesday, April 06, 2005 6:56 AM To: [log in to unmask] Subject: [TN] Morning Everyone! I just ran an assembly here that has some strange little right angle LED's that I've never seen before. They were brought to my attention because many of them were coming out of reflow pretty badly skewed. I've got a few images of the LED at; http://www.stevezeva.homestead.com Look at "LED Top, LED Bottom, LED Pad Layout, and Recommended Layout". For one thing, you'll see that these LED's have no real termination to solder to, except on the face of the ends. Another thing I discovered after I went and checked the dimensions of the pad layout in the gerbers, then compared it with the manufacturers recommendation, the layout isn't even close to what's recommended. My question is, what would you do to try and protect what little solder joint that is going to form, from being damaged? Some sort of glue bonding? These little guys will need to withstand HASS testing in the upper-level assembly believe it or not. But I'm not holding out much hope for that. Kind regards, -Steve Gregory- Senior Process Engineer LaBarge Incorporated Tulsa, Oklahoma (918) 459-2285 (918) 459-2350 FAX __________________________________________________________________ This message may contain information that is privileged and confidential to LaBarge, Inc. It is for use only by the individual or entity named above. If you are not the intended recipient, you may not copy, use or deliver this message to anyone. In such event, you should destroy the message and kindly notify the sender by reply e-mail. --------------------------------------------------- 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 ----------------------------------------------------- --------------------------------------------------- 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 -----------------------------------------------------