Plate Metering Resistor

[E. Jerold Forwood]

Rather than 'butchering' a type of resistor that is not the best in the
first place, why don't you try using a few carbon film resistors in
parallel or series or a combination of both until you get the right
value?
Just a thought!
73's de Jerry, KØEJF

On Mon, 13 Jan 2003 10:35:38 -0500 Bernie Murphy
<bernard.murphy at SYMPATICO.CA> writes:
> If you are stuck, I have heard of taking a stock resistor that has a
> slightly higher value and then removing some of the carbon composite
> with a
> fine file (in the center of the resistor) until you obtain the
> exact
> resistance. Once that operation is completed, place some epoxy over
> the
> exposed area and let the epoxy fully cure. In your case, I would
> probably
> use a 2 watt carbon resistor since the "operation" may slightly
> lower the
> power dissipation capability of the resistor.
>
> Obviously, this procedure only works with carbon composition
> resistors and
> should only be used if you can not obtain the exact 1% replacement
> resistor!
> Have you checked with Mouser or Digikey?
>
> 73 de Bernie, VE3FWF, Ottawa, Canada
>
>
>
>
>
> ----- Original Message -----
> From: "Kechkaylo Dave (ATLINKS)" <KechkayloD at TCE.COM>
> To: <HEATH at LISTSERV.TEMPE.GOV>
> Sent: Monday, January 13, 2003 8:36 AM
> Subject: Plate Metering Resistor
>
>
> > To All:
> >
> > I am looking for a source for a replacement 500K, 1-watt, 1%
> resistor that
> > is used in my SB-400. The HV meter was reading low, due to the
> fact that
> > this resistor had increased in value to 572K (R152 in SB-400).
> Does anyone
> > have some advice as to where I can find a similar replacement
> source, or a
> > good one (within tolerance) from a junker SB-400/401?
> >
> > Thanks,
> >
> > Dave Kechkaylo, W8QIZ
> >
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E. Jerold (Jerry) Forwood

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