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Filters and EMC Protections

Filters and EMC Protections

Product catalog summary

General Overview
This document provides a detailed overview of filters and electromagnetic compatibility (EMC) protections, including specifications, procedures, standards, and recommendations for mitigating electromagnetic disturbances.

Electromagnetic Disturbances
Electromagnetic disturbances, or spurious signals, are unwanted phenomena caused by various origins. They are classified into narrow-band and wide-band based on frequency spectrum. Narrow-band disturbances are typically generated by oscillators and converters, while wide-band disturbances result from sudden changes in regimes.

Propagation and Transmission Modes
Disturbances propagate through common wiring or induction, with two main transmission modes: differential mode (parasitic current flows between leads) and common mode (current flows between leads and ground).

Electromagnetic Compatibility (EMC)
EMC is the ability of a device to operate satisfactorily in its electromagnetic environment without causing intolerable disturbances, involving both immunity to external disturbances and limiting emitted disturbances.

Regulatory Compliance
Since January 1, 1996, all electrical and electronic appliances must comply with directive 89/336/EEC on electromagnetic compatibility, requiring a CE declaration of conformity and CE marking.

Filter and Protection Systems
Filters and protection systems reduce disturbance levels and ensure compliance with standards. Filters are typically low-pass, operating by impedance mismatch to achieve insertion loss. Protection systems include surge arresters and low-pass filters to manage high currents.

Selection and Performance
Filter selection depends on desired attenuation, source and load impedances, and possible attenuation slopes. Insertion loss is defined as the voltage ratio across the line before and after filter insertion, measured under standards like GAM T 21 and MIL STD 220 C.

Filter Efficiency and Standards
Filter efficiency is determined by disturbance measurements considering source and load impedances. For signal or data transmission filters, attenuation in the pass-band is measured according to MIL 18327 E.

Filter Structure Selection
Selection is based on desired attenuation at the lowest frequency, considering source and load impedance values and possible attenuation slopes for the filter's cutoff frequency.

Component Technology
Capacitors are made of plastic film, usually coaxial for feed-through installation, and are non-inductive. Inductors must prevent magnetic circuit saturation and minimize voltage drop and copper dissipation.

Main Selection Criteria for Filters
Key criteria include desired attenuation, rated current, operating voltage, dielectric test voltage, temperature range, leakage current, voltage drop, and environmental stress.

Installation Recommendations
Proper installation is crucial for filter performance. Feed-through mounting is recommended to avoid high-frequency coupling. The mounting surface should be conductive and integrated into the equipment's reference earth.

Product Lines
EXXELIA TECHNOLOGIES offers various filter ranges for EMI-RFI applications, including single-line tubular filters, case filters for power networks, and tubular signal filters.

Technical Specifications
Operating temperature ranges from -40°C to +50°C, with storage temperatures up to +70°C. The test voltage is specified at 1150 VDC for phase-neutral and 2250 VDC for phase-ground.

Mounting Instructions
Filters are designed for mounting on a collector plate or directly on the unpainted wall of a Faraday cage, secured using six screws with a standard feed-through nozzle for high-frequency sealing.

Connection Details
For shielded areas, cables pass through metallic nozzles to ensure RFI sealing. Connections are made using copper threaded terminals with a dedicated neutral and ground connection.

Trap-Door Access
Shielded trap-doors are designed for easy mounting with a gasket mechanical stop to prevent crushing, ensuring electrical safety.

BCM Series Specifications
Detailed dimensions and specifications for various BCM series models are provided, suitable for single-phase and three-phase electrical networks.

Specifications
The document outlines specifications for electrical filters designed for both single-phase and three-phase systems, with operating voltage and test voltage details.

Performance and Dimensions
Detailed dimensions and performance specifications for various series of filters are provided, including attenuation curves for different frequency ranges.

Ancillary Protections
HEMP-Lightning or HEMP-Lightning-TEMPEST protection elements are available for ancillary lines, conforming to MIL STD 188 125 1 standards.

Ordering Information
The document includes codification details for ordering different series and specifications of filters.

Applications
Protection elements are suitable for environments requiring high levels of EMI and RFI protection, such as military and secure communication installations.

General Information
Exxelia Technologies offers a range of filters designed for specific customer needs, used in sectors such as aeronautics, medical, industrial, and defense.

Office Tempest Zoning Cabinets
These cabinets provide protection for computer power supplies, network connections, printers, and telephones in secure environments.

Key Features
EXXELIA TECHNOLOGIES offers a range of EMI-RFI filters designed for high-tech electronic assemblies in sectors like aerospace, medical, and telecommunications.

Catalog excerpts

Filters and EMC Protections Filtres et Protections CEM

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* -Pans lllange ‘Saint- O® O i Nazaire Chanteioup qV P Marmoutierf \ Rochester 'O O Massachusetts JO Connecticut O New Jersey Netherlands O Denmark Belg jmO Germany mO O OPoland ' Austria 1 Switzerland South Korea Specifications are subject to change without notice. All statements, information and data given herein are presented without guarantee, warranty or responsibility of any kind, expressed or implied. Les informations contenues dans ce catalogue sont donnees a titre indicatif. Nous declinons toute responsabilite quant a leur usage et aux consequences quipeuvent en resuiter et se reserve...

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GENERAL INFORMATION General informations MANUFACTURE AND INSPECTION CHART OUR PRODUCT LINES EMI-RFI applications TEMPEST / TEMPEST ZONNING applications HEMP / LEMP applications EMI-RFI FEED THROUGH FILTERS FC Series FP/FL Series CASE FILTERS 2BL Series 3BV - 4BV Series EMI & TEMPEST FILTER SIGNALS TY Series EMI & TEMPEST FILTERS BCM Series BC-8812 / BC-8814 Series BC-9112 / BC-9113 / BC-9114 Series BC 15 mA / BC 100 mA Series ANCILLARY PROTECTIONS PIF Series PIF Series MIL HEMP PROTECTIONS FILTER SIGNALS PIF / PIFT Series TIF Series HEMP, LIGHTNING, TEMPEST, ANCILLARY PROTECTIONS E PIF Series...

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General information Généralités LES PERTURBATIONS ÉLECTROMAGNÉTIQUES “PARASITES” ELECTROMAGNETIC DISTURBANCES “SPURIOUS SIGNALS” On appelle perturbation tout phénomène d’origine électrique, électromagnétique, atmosphérique ou décharge électrostatique qui entraîne une réponse indésirable sur les appareils ou systèmes électroniques du voisinage. Disturbance mean any phenomenon of electric, electromagnetic and atmospheric origin or electrostatic discharge which cause an unwanted response on the electronic appliances or systems in the vicinity. In speciﬁcations or standards related to electromagnetic...

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General information Généralités Since January 1, 1996, the provisions of the directive 89/336/EEC called “Electromagnetic compatibility”, are applicable to all electric or electronic appliances. Depuis le 1er janvier 1996, les dispositions de la directive 89/336/ CEE dite “Compatibilité Électromagnétique”, sont exigibles pour tout appareil électrique ou électronique. Any “Appliance ” or “ System” placed on the market is subject to “CE marking” which shows that the product meets the applicable European directive. Toute mise sur le marché d’un “Appareil” ou “Système” est impérativement subordonnée...

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General information Généralités LES PHÉNOMÈNES PHENOMENA EMI-RFI LIGHTNING / FOUDRE SECOM – TEMPEST perimeter security zone coupling zone screen zone Security zone : screen zone - 1 to 10 m. Coupling zone - 2 to 10 m. Security perimeter - 15 to 80 m. Radio frequency and electromagnetic interference Interférences électromagnétiques et radiofréquence Nuclear electromagnetic pulse Impulsions électromagnétiques d’origine nucléaire Note : Generally the ﬁlters are mounted in the coupling zone. Sécom : Safety of communication - Sécurité de communication - Anticompromission RÔLE D’UN FILTRE OU D’UNE...

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General information Généralités CHOIX DE LA STRUCTURE D’UN FILTRE SELECTION OF A FILTER STRUCTURE Le choix de la structure doit être déﬁni suivant l’affaiblissement souhaité à la fréquence la plus basse, en tenant compte des impédances de source et de charge et des pentes d’atténuation possibles à partir de la fréquence de coupure Fc du ﬁltre. The selection of a structure is determined according to the attenuation desired at the lowest frequency, considering the source and load impedance values and the slopes of attenuation possible for the Fc cutoff frequency of the ﬁlter. Load impedance High...

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General information Généralités TECHNOLOGIE DES CONSTITUANTS 1 - The capacitors The capacitors are usually made of plastic ﬁlm (polyester or metallized polypropylene, hence self-healing) of coaxial shape for feed through installation. The capacitors are non-inductive by metal spraying of the terminals and by-pass mounting means that the resonance of the capacitor is at a very high frequency. 1 - Les condensateurs Les condensateurs sont en général réalisés en ﬁlm plastique (polyester ou polypropylène métallisé, donc autocicatrisables) de forme coaxiale pour montage en traversée de paroi. Les capacités...

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General information Généralités 2 - For a protection system In addition to the criteria already mentioned : 2 - Pour une protection En plus des critères précédents : • Origin, shape and amplitude of the interfering currents. • Residual voltage admitted by the equipment or system to be protected. • Origine, forme et amplitude des courants de l’agression. • Tension résiduelle admise par le matériel ou système à protéger. RECOMMANDATIONS POUR MONTAGE DES FILTRES ET PROTECTIONS RECOMMENDATIONS FOR FILTER AND PROTECTION SYSTEM INSTALLATION Installation is crucial to ensure the performance of the ﬁlter....

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Manufacture and inspection chart Diagramme de fabrication et contrôle Outsourcing Appro Extérieur Outsourcing specific for STA ... Appro Extérieur spécifique STA ... Incoming reception SPC 104 - STA ... Contrôle d'entrée SPC 104 - STA ... Spare part store Magasin pièces détachées Preparation FS issuance Préparation Emission FS Winding as per drawing Bobinage suivant plan Control SPC 2005 Contrôle SPC 2005 Control of solder joints SPR 2001 Contrôle des soudures SPR 2001 Winding control SPC 2003 Contrôle des sertissages SPC 2003 Painting as per drawing Peinture suivant plan Painting as per drawing...

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Filters and EMC Protections

Filters and EMC Protections

Catalog excerpts

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