The company designs, manufactures and sells high voltage analog and mixed-signal semiconductor integrated packages and discrete components, DYAD-Registered Trademark-switches, surge protection devices, transformers and specialized electronic components. The company's products are used by the manufacturers of electronic communications equipment. The products supply the interface between signals transmission and electronic components by providing the basic isolation and switching functions required by the electronic communications applications. The company has operations in Belgium, France, Germany, Mexico and Taiwan. During 2000, the comapny acquired Teltone ASIC product line. Semiconductor products accounted for 54% of fiscal 2000 revenues and electromagnetic and other products,46%.