Profile: Tusonix, Inc. design and manufacture ceramic EMI/RFI components. Our product line includes EMI/RFI Feed-Through & surface mount EMI filters, ceramic variable trimmer capacitors, filtered terminal blocks and ceramic coaxial resonators. Our miniature EMI ceramic filters and capacitors are designed to suppress unwanted EMI in applications where small size is critical. Our TUSONIX™ filters cover a variety of voltage, attenuation and capacitance ranges in both solder and bushing mount styles. Our coaxial resonators are offered in four sizes and four dielectric constants with a frequency range from 800MHz to 5.9GHz.