Printed Circuit Board Assembly & PCB Design SMT Electronics Assembly Manufacturing Forum

Printed Circuit Board Assembly & PCB Design Forum

SMT electronics assembly manufacturing forum.


Storage Life for plastic SMT

Adrian

#23042

Storage Life for plastic SMT | 16 January, 2003

Is there documentation showing shelf life for plastic surface mount devices ? This will of course take into consideration that all the nessecary ESD precautions with N2 dry boxes are in use.

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#23061

Storage Life for plastic SMT | 17 January, 2003

There is no documentation like you seek. The life of your part in storage is primarily a function of: * Quality of the part fabrication process. * Ingenuity and diligence you apply in protecting the parts from the environment.

You need to: * Handle and package the parts properly to protect them from degradation. * Store them in a benign environment. * Check the solderability periodically. * Refresh the solderability as required. * Demoisturize parts prior to soldering.

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