Thanks man.

On Wed, Jul 18, 2018 at 9:16 AM John Maxwell <[log in to unmask]> wrote:

> These parts age like crazy and low rated parts can age 7-10% per decade
> hour? Hour .1, 1, 10, 100 etc.
> Your IQC needs a procedure to de-age the parts at 150C and then test.
>
> John
>
> Sent from my iPhone
>
> > On Jul 18, 2018, at 8:49 AM, Stadem, Richard D <[log in to unmask]>
> wrote:
> >
> > Check to see if the capacitors are counterfeit.
> >
> > -----Original Message-----
> > From: TechNet [mailto:[log in to unmask]] On Behalf Of Guy Ramsey
> > Sent: Wednesday, July 18, 2018 7:00 AM
> > To: [log in to unmask]
> > Subject: [TN] capacitor measurement
> >
> > I got pulled into a Receiving Inspection problem. Our test instrument, an
> > old HP 4192A impedance meter, and a newer Instek 6020 tell us that our
> X5R
> > capacitors are out of spec.
> > A 100uF, 10%, 6.3V capacitor measures between 25% and 30% below the
> nominal
> > value.  The instruments have Kelvin probes and are zero calibrated at
> > frequrency, 120Hz the test waveform is 500mV rms.
> > Does anyone have any advise?
>