Electronics Forum | Fri Jan 06 00:03:10 EST 2023 | SMTA-64419298
Hello Evtimov, sorry...just saw post as I was looking through list...a bit late. I don't know if you ever got your answer. IPC-4552A covers EniG finishes and suggested shelf life. I've referred to these doc's quite a bit. Good spec's ! Yes, I beli
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 | Sun Mar 23 13:39:39 EST 2003 | MA/NY DDave
Hi, From re reading, I think I did OK with my previous message yet I wanted to hit some other items, maybe differently. Without checking all the sources I don't believe there are any industry wide standards. I am sure and know there are industry
Electronics Forum | Wed Sep 26 10:05:41 EDT 2012 | testbloke
Although we do not have any soldering issues with our OSP PCB's, I am trying to establish clear rules with regards pcb storage and shelf life. Our PCB's are supplied in metalised moisture barrier bags but without desicant, our current rules as follow
Electronics Forum | Wed May 03 09:01:32 EDT 2017 | pavel_murtishev
Good day, Are there any IPC standards applying requirements to HASL PCB shelf life? Are there any exact figures such as one year for instance? Could you point me to standard numbers if they exist. Iny input would be appreciated. Regards, Pavel
Electronics Forum | Wed May 03 16:37:10 EDT 2017 | charliedci
I don't believe there should be any issues with the HASL finish. The issue is how long on the shelf and is a bake out required to remove moisture from PCB, as in any FR4 PCB's that may have had time to absorb moisture.
Electronics Forum | Mon May 15 12:36:12 EDT 2017 | edhare
I don't believe there should be any issues with > the HASL finish. The issue is how long on the > shelf and is a bake out required to remove > moisture from PCB, as in any FR4 PCB's that may > have had time to absorb moisture. > I don't believe
Electronics Forum | Tue Sep 16 20:41:41 EDT 2008 | davef
Q1. Can anyone tell me if there is a procedure for storing raw PCB's? A1. Yes, there are thousands of procedures for storing raw PCB. Why so many? Everyone writes their own procedure. Generally, they say: * Boards require individual separation and p
Electronics Forum | Tue Jan 19 11:12:41 EST 1999 | Dave F
| | | | | Folk's, | | | | | | | | | | I'm looking for information of how long you cna store a gold finish PCB before building it. I know there are problems with the gold disappearing into the underlying nickle over time / temperature etc but exactly
Electronics Forum | Mon Jan 08 03:16:12 EST 2007 | oswald5087
hi' i need advise on immersion gold PCb shelf life. 1) what is the issue shelf life or expire for Immersion gold PCB? 2) How long we can keep the PCB? (with vacuum seal and without vacuum seal) 2) iF PCB expire, can we bake the immersion PCB? what t
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