Re: [Amps] Date Code Samsung 120 MFD 450 Volt Capacitors?

[Boye Christensen <oz7c@cool.dk>]

Hi
If they are old
make an EXT. circuit with soft start to test each, e.g a diode with 100 
kOhm in series.
Use a DMM to measure time /voltage and calculate capacitance.
230 VAC to a diode gives app. 325 VDC, take care of safety

73 Boye OZ7C


Den 11/05/2015 kl. 18:59 skrev qrv@kd4e.com:
> OK, sounds good.
>
> I'm still trying to sort the alphanumeric label EIAJD0160:
>
> EIA = military contract?
> J = ??
> D = ??
> 01 = 2001?
> 60 = ??
>
> If 2001 they are already 14 years old - perhaps not a good
> choice for this amp?
>
> Thanks - David KD4E
>
>
> > Or, if it a voltage doubler circuit, two more caps.
> >   
> > Gerald K5GW
> >   
> >   
> > In a message dated 5/11/2015 10:39:27 A.M. Central Daylight Time,
> > amps@contesting.com writes:
> >
> >      Just put an additional 450 volt capacitor in series to increase the
> >      safety factor. Glen, K9STH
> >
> >      Website: http://k9sth.net
> >            From: "qrv@kd4e.com" <qrv@kd4e.com>
> >      To: "amps@contesting.com" <amps@contesting.com>
> >      Sent: Monday, May 11, 2015 8:40 AM
> >      Subject: [Amps] Date Code Samsung 120 MFD 450 Volt Capacitors?
> >        
> >      Would these caps be safe to use in an amp PS?
> >      Samsung 120 mfd  at 450 volt 105c
> >
> >      Would this # EIAJD0160 reveal the date code?
> >
> >      Or best not to mess with anything below 500v?
> >
> >      The Clipperton L manual says 100uF @ 500v, the ones
> >      in there are 125uF @ 500v.
> >
> >       
> >      _______________________________________________
> >      Amps mailing list
> >      Amps@contesting.com
> >      http://lists.contesting.com/mailman/listinfo/amps

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