[sdiy] Potting, was: Discrete OTA

[David G Dixon]

> > I can see good reasons for something potted being better - 
> more robust, better protection from the environment, more 
> thermally stable and consistent, etc. What are the advantages 
> of "no potting" beyond "repairability" (which should be a 
> once in twenty years thing if it's done right).
> 
> Can a potted subcircuit be reflow soldered? If it can't, this 
> would be a major drawback. More and more ICs these days come 
> in LGA or similar packages that cannot be wave soldered let 
> alone hand soldered. Components that cannot be reflow 
> soldered on the same board would add to manufacturing cost 
> significantly.

Let's just all agree:  Potting is for plants, not for circuits.