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EMC Filters Damp Differential and Common-Mode Noise at Same Time

Jan. 6, 2020
The All Mode filter is created from a magnetostriction-free material, making them noiseless as well as lighter than comparable solutions.

SMP Sintermetalle Prometheus has created a new “All Mode” EMC filter featuring high-frequency stability. The filters work to reduce interference currents and voltage spikes in power-converter systems by simultaneously damping differential and common-mode noise. To accomplish this, special materials are used to create a stable inductance over a large range of the frequency spectrum.

Unlike the common ferrite, steel sheets, and nancrystalline ribbon material more commonly found in EMC filters, the All-Mode filter is created from a magnetostriction-free material, allowing them to be noiseless and 40% lighter than standard solutions. The family of products is capable of supporting currents into the thousands of amps and frequencies into the gigahertz range.

SMP Sintermetalle Prometheus GmbH & Co., Ottostraße 4, 76676 Graben-Neudorf, Germany; phone: +49 7255 7160; www.smp.de

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