Silicon carbide was the very first commercially vital semiconductor material. A crystal radio "carborundum" (synthetic silicon carbide) detector diode was patented by Henry Harrison Chase Dunwoody in 1906. It observed much early use in shipboard receivers. The earliest electrical application of SiC was to be a surge safety in lightning https://judahegfec.life-wiki.com/1413150/the_smart_trick_of_tic_application_that_no_one_is_discussing