The Color alterations to blue and black at increased length with the resistor, and these darker crystals are much less pure. Nitrogen and aluminium are common impurities, plus they have an effect on the electrical conductivity of SiC.[19] An excellent immunity versus undesired parasitic switch-on results produces a benchmark in https://www.quora.com/profile/Trevor-Flatcher-2/Thermal-Conductivity-of-Silicon-Carbide-and-Heat-Dissipation-Solutions-for-Electronic-Devices-Thermal-management-is-a-c