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Tin whisker issue

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LAN_403

Carbon_Rod

Sat Nov 24 2012, 03:04AM

Registered Member #65 Joined: Thu Feb 09 2006, 06:43AM
Location:
Posts: 1155

If RoHS equipment drops below -10'C the catalytic process can create a seed crystal that propagates along contacted areas.

You will not stop the process with paints or even a re-flow.

The RoHS legislation was not written by engineers...

Conundrum

Mon Nov 26 2012, 06:47PM

Registered Member #96 Joined: Thu Feb 09 2006, 05:37PM
Location: CI, Earth
Posts: 4061

Interesting.
Wonder if this is why some laptops fail shortly after being in the cargo hold of an aircraft?

It is safe to say that HDDs are probably affected by this, also extended storage of RoHS components might trigger such a failure.

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