Values for temperature coefficient of screen per K at 20°C. are taken from standard IEC 60287-1-1 Ed.2.1 where available and from standard technical handbooks for the others.

Symbol
$\alpha_{\mathrm{sc}}$
Unit
1/K
Related
$M_{\mathrm{sc}}$
Used in
$\beta_{\mathrm{sc}}$
$R_{\mathrm{sc}}$
Choices
MaterialValue
Cu0.00393
Al0.00403
Brz0.003
CuZn0.0019
S0.0045
SS0.001
Zn0.004