BFoelsch wrote:
A tolerance of +100% -50% was more or less standard on old electrolytic
caps. Today, +50% -10% is customary, but some are still wider than that.

You've got to look long and hard to find any with that loose a spec
anymore. I just paged thru the Mouser catalog and a quick glance sez
everything offered is +/-20% except for the old Vishay/Sprague TVA-Atoms
and Littl-Lytics.

-Bill