Electronics Forum: smt blow hole (Page 1 of 96)

smt reliability vs thru hole

Electronics Forum | Sat Jan 15 21:52:15 EST 2000 | Dave Bartlett

I am looking for information comparing the reliability of smt boards vs thru hole boards. Also, information on when to use thru hole instead of smt if there is such a case. Background - We currently make temperature controller with a mix or smt and

Re: Bottom side smt and thru hole

Electronics Forum | Wed May 27 10:19:43 EDT 1998 | Jerry

We have no problems but orientation does matter. Orient with longest side of component body perpendicuar to wave. In other words the same preference as with through hole DIPS. Idea is the same as for through hole, that the surface tension will ten

Re: Bottom side smt and thru hole

Electronics Forum | Sun Jun 07 09:43:11 EDT 1998 | Bob Willis

There are some guidlines on design and through hole reflow on my web site to download. Also on pin in hole reflow the SMTA Office has a document on using the tecnology. | R&D is currently designing a board with smt components on both sides of the bo

Bottom side smt and thru hole

Electronics Forum | Tue May 26 22:13:15 EDT 1998 | Pat Copeland

R&D is currently designing a board with smt components on both sides of the board. They are adding a 16 pin IC Gull wing. on the bottom side of the board. I have asked for only caps and resistors to be placed on the bottom side. Is there a recommende

Re: smt reliability vs thru hole

Electronics Forum | Wed Jan 19 22:24:19 EST 2000 | Dave F

Dave: Try: http://rac.iitri.org/ they might be able to help. Good luck. Dave F

Re: smt reliability vs thru hole

Electronics Forum | Mon Jan 31 21:11:09 EST 2000 | Dave F

Dave: Find: "Comprehensive Surface Mount Reliability Model Covering Several Generations of Packaging and Assembly Technology", by J. Clech et.al. IEEE Trans on Comp. Hyb. and Manuf. Tech. Vol. 16, No. 8 Dec. 1993, p.949. It listed cycle to failure

Re: smt reliability vs thru hole

Electronics Forum | Tue Jan 18 12:36:11 EST 2000 | Dave F

Dave: I haven't located something to support your contention, yet, and I'm not going to comment on the factors that drive reliability beyond component selection, because I know that you've got some sweaty-palmed sales type wringing his hands waiting

Re: Bottom side smt and thru hole

Electronics Forum | Wed May 27 13:42:08 EDT 1998 | Chrys

| R&D is currently designing a board with smt components on both sides of the board. They are adding a 16 pin IC Gull wing. on the bottom side of the board. I have asked for only caps and resistors to be placed on the bottom side. Is there a recommen

Re: Bottom side smt and thru hole

Electronics Forum | Wed May 27 14:35:52 EDT 1998 | Justin Medernach

| | R&D is currently designing a board with smt components on both sides of the board. They are adding a 16 pin IC Gull wing. on the bottom side of the board. I have asked for only caps and resistors to be placed on the bottom side. Is there a recomm

Pin hole

Electronics Forum | Wed Mar 10 18:42:34 EST 2010 | 89jeong

Hello Sir. We also encountered the same pin-hole issue but there was around MLCC.I also looked for some information in technical report and internet, But i failed to get an answer. As you know this pin hole or blow hole is caused by the solder boilin

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