From: Jim <jim@jpes.com>
To: Microcontroller discussion list - Public. <piclist@mit.edu>
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Date: Mon, 13 Sep 2021 08:25:09 -0700
Subject: RE: [EE]: Resistor codes - How to read Pink 2 watt, 5 band resistors
Thread-Topic: [EE]: Resistor codes - How to read Pink 2 watt, 5 band
 resistors
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Im not talking about the tolerance value.  Im talking about the 3rd band
multiplier.

Like for instance, red, red, red is 2, 2, and 2 zeros for a value of
2200 ohms.

If you had red, red, silver, the value would be 2.2 ohms.

Red, red, gold would be .22 ohms.

Regards,

Jim

> -------- Original Message --------
> Subject: Re: [EE]: Resistor codes - How to read Pink 2 watt, 5 band
> resistors
> From: Sean Breheny <shb7@cornell.edu>
> Date: Mon, September 13, 2021 9:00 am
> To: "Microcontroller discussion list - Public." <piclist@mit.edu>
>=20
>=20
> Minor correction, Jim. Gold is 5%. 1% is brown. 2% is red.
>=20
> On Mon, Sep 13, 2021 at 8:47 AM Jim <jim@jpes.com> wrote:
>=20
> >
> > Historically, I believe as a multiplier, Silver is 0.1, and Gold is
> > 0.01.  As a tolerance value, Silver is 10%, Gold is t%, and no band at
> > all, is 20%.
> >
> >
> >
> > Regards,
> >
> > Jim
> >
> > > -------- Original Message --------
> > > Subject: Re: [EE]: Resistor codes - How to read Pink 2 watt, 5 band
> > > resistors
> > > From: Justin Richards <justin.richards@gmail.com>
> > > Date: Sat, September 11, 2021 4:15 am
> > > To: "Microcontroller discussion list - Public." <piclist@mit.edu>
> > >
> > >
> > > On Tue, 7 Sep. 2021, 13:08 Justin Richards, <justin.richards@gmail.co=
m>
> > > wrote:
> > >
> > > > Attempting to (and failing miserably it seems) repair a Sony TV tha=
t
> > > > randomly powers on.  Sometimes, just a glimpse of the SONY logo the=
n
> > the
> > > > LED flashes. (I think 6 times) so it looks like LED strips.  Quick
> > check of
> > > > suspect caps would indicate they are all consistently in spec.
> > > >
> > > > The PSU has several low value resistors that I read as follows:-
> > > >
> > > > Shorted Probes -> 0.3 - 0.4 ohms
> > > >
> > > > BROWN - BLUE - SILVER - GOLD -  GREEN -> 0.4 - 0.5 OHMS
> > > >
> > > > RED - BLACK - GOLD - RED - GREEN  -> 2.0 - 2.1 ohms
> > > >
> > > > The internet has not helped answer what value I should assign the G=
OLD
> > and
> > > > SILVER bands.and I have been unable to work back from what I have
> > measured
> > > > and the bands.
> > > >
> > > > Anyone had experience with these.  I eliminated the possibility the=
y
> > were
> > > > inductors as they had R-designators
> > > >
> > > > Cheers Justin
> > > >
> > > >
> > > >
> > > >
> > > --
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