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.

"Frank Dresser" wrote in message
...

"Scott W. Harvey" wrote in message
...

[snip]


I have tested brand new electrolytics and have found them to be as
much as 50% off rated capacity. Small coupling and bypass caps, though
are usually right on the money if they're good.

-Scott



That's interesting. I've checked some new electrolytics with my old
Heathkit cap checker, and they are almost always within 20% or so of the
indicated value. I'll check more later and see if it still holds true.

Frank Dresser