Hello,
We have the opportunity to buy parts that are up to 4 years old ('98 date
code) for an excellent price.  Still in original factory packaging.  They
are warranteed by the supplier for a few months after purchase, but we may
not use them until late summer.  We are bringing a few of them in to check
their condition out, but I don't know how to test them, and couldn't find
anything in the IPC-TM-650 that seemed to apply.  These are IC's that are
normally worth over $100 a pop to us so we don't want to waste too many.
We are a design and test type company - we do not fab our own boards or
populate them in house other than a few hand installed components on most
products.  So we don't have reflow ovens, etc.  We have a very small solder
pot.  There is a small CM in our city that we use that say they can do the
testing, but the cost seems high - for the quantity we want to buy they say
we should test 32 of them and they will not be useable for pick and place
afterwards.  There is a small chance some of them may be salvageable for
manual installation.
Can anybody direct me to some information - test procedures, equipment - on
whether we might be able to evaluate these PQFP, fine pitch, high lead count
devices ourselves?  And what is a reasonable condition for the components to
be in after this testing?

Genny Gibbard (mailto:[log in to unmask])

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