Single phase block filter for tough EMI

August 04, 2020 //By Nick Flaherty
Single phase block filter for tough EMI
Schurter has launched a compact single-phase filters with a new generation of double stage filter design.

The FMBB EP filter is aimed at systems that are confronted with stubbornly high EMI interference signals. Highly clocked semiconductors generate increasingly strong interference frequencies and this massively increases the requirements for compliance with EMC. Typical applications include test and measurement equipment, professional kitchen equipment, medical and critical industrial applications.

The new filter uses the same housings as the proven FMBB NEO filter series. These housings are spot welded and so are completely closed, resulting in significantly improved attenuation behaviour. Well provisioned film capacitors and chokes with highly permeable cores provide broadband attenuation.

The FMBB EP filter series has 6.3 x 0.8 mm plug-in connections or threaded connections for quick and easy wiring. Thanks to a metal flange, excellent ground connection is ensured when screwed to the chassis.

The standard versions can be used over a temperature range from -40 °C to 100 °C. The filters are designed for currents from 1 A to 36 A at an ambient temperature of 40 °C. They have ENEC and cURus approval and are recommended for applications up to max. 250 VAC.

There are versions with different leakage currents available for different applications: the standard version with 0.9 mA to 3.8 mA, for medical technology ≤ 5 µA or ≤ 80 µA.

www.schurter.com

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