Electronics Forum | Fri Sep 13 09:02:52 EDT 2002 | tvielhaber
A distributor has some smt components (QFP) packaged in a vacuum sealed package with a 1991 date code. Should I accept these parts? What are the main issues I need to be concerned about? Solerability, moisture? Won't the vaccum seal package minim
Electronics Forum | Fri Dec 13 10:33:27 EST 2019 | ameenullakhan
Dear Dave, We cant change the solder paste. Its a for defense and aerospace projects. Customer won't agree on it . We have major issue in ROL0 Flux classified solder paste. cannot go for aggressive flux chemistry. So need a good method to hold th
Electronics Forum | Wed Jun 25 12:13:31 EDT 2003 | russ
A lot of it depends upon what the lead terminations are and the storage conditions. For example if they are tin you will run into trouble. We have used all types of parts that are all ages (We just started doing BGAs that are 5 years old.) I don't
Electronics Forum | Thu Mar 01 06:12:18 EST 2018 | reckless
I am new to SMT and need to buy a pick n place machine that runs ~7500 cph and super reliable/no headache. My budget is $10,000. Either I buy seriously used (~15-20 years old gsm) or new Chinese unit. I saw this video and am seriously considering
Electronics Forum | Fri May 09 12:08:19 EDT 2008 | sliebl
Last year I had my doctor do a lead test during one of my regular blood tests. My exposure at work is similar to most of you, I'm sure. I've been doing this for 13 years now. We do predominantly leaded solder processing through SMT and wave. I wash m
Electronics Forum | Mon Jul 21 12:23:31 EDT 2014 | jimmyboz
As has been pointed out by other well experienced individuals, this is a complex question. But the simple answer is "It is your decision". Choose any goal less than 100% and strive to reach it. There are hundreds of questions to ask before an obje
Electronics Forum | Wed Jul 02 12:49:57 EDT 2008 | jlbelectronics
Hi all, I have a OK industries hot air pencil model number SMT-1160 even though the label on the base says its a SMT-1102. The problem that I have is that the Diaphragm (diafram) has ruptured inside the small internal air pump. Where can I get a p
Electronics Forum | Tue Nov 17 08:32:12 EST 1998 | Chrys
|PAIB makes good cups. Last year I was buying suction cups and I found a really good source - way better than PIAB. Only thing is, I can't remember their name. They were out of Cincinatti, Ohio, and I found them inthe Thomas Register on line. Sor
Electronics Forum | Wed Dec 24 11:23:22 EST 2008 | childs
I can't seem to locate any information/concerns about moisture entrapment in IC packages on the promary side in a double sided SMT assembly using water soluable solder paste when soldering the second side. A typical process would assemble/reflow/cle
Electronics Forum | Tue Dec 22 10:00:31 EST 1998 | Chrys
| | | Does anyone out there have one we are currently looking at one from a used equipment dealer and would like to know how they work? Good or bad for SMT? | | | Good or bad for high volume Thrue Hole? | | | | | | Thanks Again, | | | Brian Steelg
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