The grid resistors of type GRS800 are the main components of the GxRGS800 power units and can be manufactured in the following materials in iron-chromium-aluminum alloy with a specific resistance of 100 μΩ.cm and a temperature coefficient of 250 ppm/°C
in nickel-chromium 18/10 with a specific resistance of 73 μΩ.cm and a temperature coefficient of 900 ppm/°C
in nickel-copper 44 (constantan) with a specific resistance of 49 μΩ.cm and a temperature coefficient of 50 ppm/°C