Recently, some clients inquiry T8312-7 and T8151. We suggest client take T8312-7C and T8151C instead. What's the difference? Can the module with C totally replace of the origianl part number? What's the meaning of "C" in the ICS module part number? C means Conformal Coated. It is a thin, specially polymer film which applied onto the printed circuit boards and electronic components. The conformal c...