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Power Line Filter Modules

Introduction

FN3359-320-99 Power Line Filter Modules are emissions-certified EMI filters specifically designed for use in AC/DC and AC/AC power conversion applications. It is composed of several Group II components, including capacitor networks, inductors, metal oxide varistors (MOVs) and EMI damping components. The product was designed to meet EMI emission limits and resist conducted interference in accordance with the most recent EMI requirements of EN 55022/CISPR 22. It has excellent performance in attenuating electromagnetic interference (EMI) from the conducted output lines.

Application Field and Electrical Performance

The FN3359-320-99 Power Line Filter Modules are designed for use in applications from 24V to 417Vdc with a maximum current rating of 30A. The filter modules use low-profile components to enable the product to fit into tight enclosures. The FN3359-320-99 Power Line Filter Modules offer high-density power-line input and output filtering to meet worldwide requirements for both conducted and radiated emissions.

Working Principle

The FN3359-320-99 Power Line Filter Modules utilize advanced noise-filtering technology to filter out conducted and radiated interference. The FN3359-320-99 contains X and Y capacitors to form a low-impedance path for differential and common-mode noise. The power line filter also utilizes inductors to prevent the output signal from interfering with other signals in the system. In addition, it has metal oxide varistors (MOVs) and EMI damping components to dampen any conducted interference. Finally, the FN3359-320-99 Power Line Filter Modules provide excellent inrush current protection, eliminating the need for additional circuitry.

CONCLUSION

The FN3359-320-99 Power Line Filter Modules are perfectly designed for applications which require both low-noise output and stringent EMI emission requirements. It provides excellent protection against conducted and radiated interference, in addition to excellent attenuation of EMI as well as inrush current protection. It is the ideal solution for improving reliability and reduce EMI-related component replacements in a noisy industrial environment.

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