[sdiy] how to tell metal film resistors?

[Michael Zacherl]

On 27.Apr 2015, at 9:20 , Paul Perry <pfperry at melbpc.org.au> wrote:

> I don't think there is an infallible colour code.
> If you type 1% metal film and 1% carbon film into Google image,
> you get quite a mix of colours.
> I have had both carbon and metal film in the same shade of blue.
> 
> I suppose sacrificing one to the file would prove it, if one knew
> exactly what to look for (I don't!).


Paul, I'm not sure if Google-Images is a really good indication.
Then again, I wasn't aware that there are 1% carbon (film?) resistors.
Which would mean better matched values but bad temperature coefficient?