Electronics Forum: component shell life (Page 1 of 40)

SMT component life spend.

Electronics Forum | Wed Jun 21 03:58:40 EDT 2006 | ec

Hi, My concern is will it affect on solder joint. We are running leaded process and is no-clear. Thanks.

SMT component life spend.

Electronics Forum | Wed Jun 21 04:37:55 EDT 2006 | Rob

What's the manufacturer & part number? (some chip caps have been compliant for over 10 years)

SMT component life spend.

Electronics Forum | Wed Jun 21 13:10:24 EDT 2006 | muse95

On some of our legacy products, we regularly use stock as old as 1998, with no issues.

SMT component life spend.

Electronics Forum | Wed Jun 21 13:06:02 EDT 2006 | grantp

Hi, If your worried about them being lead free components, because it's "not clear" then you should be able to ask the manufacture of them if they are lead free, as they normally trace the batch code, and manif date and will know for sure. Most pas

SMT component life spend.

Electronics Forum | Tue Jun 20 21:18:11 EDT 2006 | ec

Hi, We have a new product need to run very urgent and there is a capacitor brought stated was manufactured in year 2004. Pls advise can we use this capacitor......and what is the recommended..... Apprecaite your input.....

SMT component life spend.

Electronics Forum | Wed Jun 21 09:32:09 EDT 2006 | wrongway

Hello EC we place parts as old as 10 years we have no problems with them soldering goog luck

SMT component life spend.

Electronics Forum | Tue Jun 20 21:55:42 EDT 2006 | davef

Questions are: * What is your concern about this capacitor? * Are you running a leadfree process? * Is the component leadfree? Generally, we are ecstatic when compoents are on tape and not in plastic bags. And if they solder, well, we're dancing in

component shelf life

Electronics Forum | Thu Aug 29 17:45:54 EDT 2002 | nifhail

What are other testing/process step that we should do if we where to use the old date code QFPs other than solderability and baking ? What is the plating composition normally %? lead, % tin etc. I have my policy not to accept the more than 12 mont

SMT component life spend.

Electronics Forum | Wed Jun 21 08:53:25 EDT 2006 | stepheniii

Are you worried the terminations might b oxidized? Do a dip test. If you have a solder pot carefully dip one termination of the cap into the solder. And see how well it wets. If that test doesn't satify the powers that be, then you can design a more

component shelf life

Electronics Forum | Thu Aug 29 18:28:19 EDT 2002 | Dreamsniper

Semi conductor devices last for 5-10 years or more when in use. Since those parts are in stock and are not in use they are considered in good condition. The only concern that you got is how will you process them. We had the same problem before and it

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