RFI filter with IEC connector

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The Schaffner FN 9233 RFI single-stage filter with IEC socket connector has added some 6 dB of additional differential and common model attenuation compared to earlier Schaffner models and many competitive products in order to provide a much improved safety margin necessary for meeting EMC compliance, in particular for tough applications including higher frequency SMPS devices.

The enhanced performance has been achieved through the use of high saturation resistance core material with excellent thermal behaviour. A wide range of currents to 15 A, including a new 8 A range, is available for increased economical design flexibility.

The filter offers other cost advantages in addition to a short path to EMC approval, by providing an integrated filter/connector package which adapts to a wide range of chassis thicknesses ranging from 0.7 to 1.5 mm (another version is also available offering a thickness range from 1.5 to 2.2 mm) with the opportunity to specify snap-in versions.

For medical applications, versions are available without Cy capacitors and, in addition, versions with earth line chokes provide reduction in HF earth loop currents.