[sdiy] Parts Shelflife with RoHS

[Peter Grenader]

sorry!

..but of you notice, this one particular letter string has SDIY as the CC,
not the main address.


Paul Schreiber wrote:

> As Harry mentioned, current lead-based parts have a good 20-30yr shelf life.
> Meaning, you can grab that Q81K tempco you bought in 1978 and solder in right
> into a pc board, no problem.
> 
> With things like "Tin-Matte" RoHS-compliant finishes (tin+silver+copper) you
> have less than *6 months* to solder in the parts after exposure to air (ie
> opening the package).
> 
> OK, enough scaring the kids. For now.........
> 
> Paul S.
>