[sdiy] 5 band colour code for tempco resistor?

[Chris Manders]

I am sure someone with more experience than me will
pipe up, but I just wanted to say that the colour code
you have mentioned is exactly the same banding on the
Tempco resistors I am using, which are 1K with
3000ppm/°C.

Chris


--- Tim Stinchcombe
<tim102 at tstinchcombe.freeserve.co.uk> wrote:

> Hi list,
> 	Does anyone know if there might be a 'standard'
> 5-band resistor
> colour code for tempco resistors?
> 
> I'm looking at a VCO: most resistors are standard
> 5-band ones, but one of
> them clearly doesn't fit that scheme. It is:
> 
> brown, black, red, orange, (wide gap), black.
> 
> In-circuit it measures about 985ohms, and around 1k
> would be a good value
> for it, and I think it is at a point where a tempco
> would be useful (it's
> part of the scale setting the 1V/octave), so it
> looks like the 'brown,
> black, red' is the standard '1k' 4-band value, but
> that leaves me puzzling
> over the 'orange' (tolerance?) and the 'black'
> (temperature coefficient?).
> Googling seems to suggest that *6*-band resistors
> sometimes have a temp
> coeff band, but nothing I found could account for
> the odd colours.
> 
> Any insights appreciated!
> 
> Thanks,
> 	Tim
>
__________________________________________________________
> Tim Stinchcombe 
> 
> Cheltenham, Glos, UK
> email: tim102 at tstinchcombe.freeserve.co.uk
> 
> 
> 
> 


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