[time-nuts] Looking for CA3130E IC...

Chuck Harris cfharris at erols.com
Sun Apr 15 12:43:50 UTC 2012


Because the IC makers use tin on the lead frames, and
to plate the inside of the metal cans, and tin
grows whiskers even better in the zero g environment in
space than it does on earth.

-Chuck Harris

Attila Kinali wrote:
> On Sat, 14 Apr 2012 20:11:14 -0500
> hoag at hiwaay.net wrote:
>
>> CA3130EZ is the lead-free version of the part.  Looks like good stock
>> (both Newark and Avnet have thousands on the shelf), and should be
>> usable unless you're sending it into space or something.
>
> Why is the chip case being lead free a problem for space?
> I thought the major issue was that the solder is lead free and
> showes all kinds of nasty behaviour?
>
> 			Attila Kinali



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