Electronics Forum: solder and joint (Page 1 of 379)

"Gap" in completed solder joint between lead and pad

Electronics Forum | Tue Nov 28 09:37:39 EST 2006 | GS

Have you seen IPC-A-610 D ? regards GS

"Gap" in completed solder joint between lead and pad

Electronics Forum | Tue Nov 28 15:41:51 EST 2006 | realchunks

Try IPC-SM-782.

"Gap" in completed solder joint between lead and pad

Electronics Forum | Tue Nov 28 09:21:58 EST 2006 | Michael Sanders

Is anyone aware of any articles, white papers, etc., that discuss the gap between the lead and the pad after a SM joint is soldered? In particular, I am looking for a formula for that "gap" for various components.

"Gap" in completed solder joint between lead and pad

Electronics Forum | Tue Nov 28 20:12:41 EST 2006 | davef

We don't have a gap between the lead and the pad after a SM joint is soldered. On our boards, this space is filled with the solder intended to attach the component to the board. How high do components sit above the surface of a board? Most people a

"Gap" in completed solder joint between lead and pad

Electronics Forum | Wed Nov 29 11:46:57 EST 2006 | slthomas

IPC 610 *C* states that the solder thickness requirement is a properly wetted termination is evident. Fillet height is another aspect and is usually specific to the package but is some function of solder thickness plus a percentage of lead height. D

"Gap" in completed solder joint between lead and pad

Electronics Forum | Wed Nov 29 20:30:22 EST 2006 | davef

Your customer is so poorly educated that you should decline their work, because this will not be the last time they waste your time with their cockamamey theories.

"Gap" in completed solder joint between lead and pad

Electronics Forum | Thu Nov 30 14:49:54 EST 2006 | M. Sanders

Dave, Thanks - I couldn't agree with you more. Unfortunately, our "bean counters" have a different frame of mind.

"Gap" in completed solder joint between lead and pad

Electronics Forum | Fri Dec 01 10:18:10 EST 2006 | realchunks

You're right Hussman, I kinda missed the follow thru on that one! Sorry for any confusion on my part boys. Huss, you going to APEX this year? We missed ya last year. L.A. this year....boo!

"Gap" in completed solder joint between lead and pad

Electronics Forum | Thu Nov 30 16:14:33 EST 2006 | darby

Maybe ask your customer where they got this idea from? It is possible they may have even got this idea from some white paper or article where they are trying to explain something else and show drawings with no solder between the pad and lead. It may

"Gap" in completed solder joint between lead and pad

Electronics Forum | Thu Nov 30 15:19:56 EST 2006 | CK the Flip

Mike, dude, I feel your pain. Hearing stories like this makes my blood boil! It's almost as ridiculous as a customer who told me to put more solder paste on a MELF component to overcome noise issues - he used more solder paste as antennas to overco

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