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Re: Tektronix 577 Regular board capacitor question


Bob Albert
 

That is correct.? A rating of -10%/+75% is indeed a capacitance tolerance specification.? For a while they used GMV as a tolerance, meaning Guaranteed Minimum Value.? When bypassing, tolerance isn't very important.? But price is.? The wider the tolerance, the fewer rejects and the easier testing becomes.
Bob

On Friday, August 9, 2019, 09:00:49 AM PDT, Mlynch001 <mlynch002@...> wrote:

On Fri, Aug? 9, 2019 at 10:27 AM, DW wrote:


Thanks, and if I understand right +75-10? is 75C tempature and 10% tolerance.

Any idea what the manual is referring to when it is describing a capacitor
under the parts list by CER DIR, seems like the CER might be ceramic but DI I
am not sure
In my experience, that rating is +75% -10% (capacitance) and most Tektronix caps are rated at 85C or occasionally better.
--
Michael Lynch
Dardanelle, AR

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