July 29, 2010 Toroid Mounted on a Special Encapsulation Shell Encapsulation shells are compression molded or injection molded using thermoset plastic. They are used to encapsulate or enclose electronic circuitry and electronic components. Where production quantities warrant, encapsulation shells can incorporate cored holes for lead breakout and step design in the open end for headers, locating ribs and standoff feet. As with all Mitchell products, encapsulation shells are carefully and expertly manufactured to ensure the highest quality and performance. << Back