You need a something with higher resistivity. Metals aren't all that different. And as a Bill keeps pointing out semiconductors have a negative temp co. More carriers when it's hotter.
George H.
TCXO (shopping for replacement)
Sep 11, 2017
122 Replies
I only want 0.33 ohms.
Nichrome melts at 1400C, doesn't corrode. Its specific heat is a bit less than copper, and tempco is about 10:1 better.
John Larkin Highland Technology, Inc
lunatic fringe electronics
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I guess nichrome is about as good as you can do. Still only a factor of 100.
George H.
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