Electronics Forum: smt keep out (Page 3 of 298)

Solder Paste Dry out

Electronics Forum | Wed Mar 05 16:29:56 EST 2008 | raincity1

You are playing with fire; you evaluate and specify paste for your products/SMT line, when you start adding tacky flux or whatever to your paste you don't really know what you are then dealing with - it osn't what you evaluated. We use solder paste f

SMT fine picth connector lead oxidize-Throw out rate too high!

Electronics Forum | Wed Sep 04 22:48:13 EDT 2013 | winson16

SMT fine pitch connector having oxidation on lead and P&P machine keep rejecting the part. Is there any alternative way to reduce the part throw out rate without jeopardize the placement accuracy? Or is it possible to re-coat the connector lead or an

SMT fine picth connector lead oxidize-Throw out rate too high!

Electronics Forum | Fri Sep 20 01:39:21 EDT 2013 | winson16

gold, one of the stablest elements on the > periodic table oxidising. Are you sure, and why > would you want to reduce the vision fail rate on > a part that is clearly shockingly poor? Old inventory is holding a huge material cost and if i can f

rating smt machine

Electronics Forum | Fri Jan 05 10:54:41 EST 2007 | fastek

Well this sure turned into a Juki lovefest. When do the Quad fanatics start coming out?

Re: Double sided smt

Electronics Forum | Wed Jun 03 13:50:32 EDT 1998 | Chrys

| Can anyone tell me if there is a reference for smt component height specs on the bottom side of a board, which will also go through wave soldering. A current design I am reviewing has tant caps(7343) and a crystal on the back side. Should I only b

Re: smt component id

Electronics Forum | Tue Jan 13 10:53:05 EST 1998 | Tonya Warner

It is also my job to ID and cross components. I have found that the same number can be used by different manufacturers for different parts, same package style. There is not a standard marking system for SMT devices so watch out for this.

smt zener color codes

Electronics Forum | Tue Jun 21 14:35:11 EDT 2005 | lind

does anyone know how to read SMT zener color code? I need to figure one out that is blue, green, and violet.

via in smt pad

Electronics Forum | Sat Apr 03 05:21:33 EST 2004 | mattkehoe

There is a method for VIP you may not be familiar with. I dont want to go into depth here but check out http://www.sipad.com/sipadvip.htm and contact me off line if you want more info. Good luck. mk

smt magnetic board supports

Electronics Forum | Fri Mar 11 10:00:22 EST 2005 | ???

Anybody out there know of a good (2nd) source to purchase single magnetic board supports used on quad/samsung machines. These are spring loaded and contact the underside of the board in the pick n place machine

Re: Double sided smt

Electronics Forum | Sun Oct 31 23:58:54 EST 1999 | John A.

Do both sides of that board contain larger IC's and other large components or just one side?? If just one side contains large components, try running the side with the smaller components first, and then run the other side last. If that doesn't work


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