{"id":127776,"date":"2018-03-12T17:31:44","date_gmt":"2018-03-12T17:31:44","guid":{"rendered":"https:\/\/\/filtres-emi-pour-applications-haute-fiabilite\/"},"modified":"2018-03-12T17:31:44","modified_gmt":"2018-03-12T17:31:44","slug":"filtres-emi-pour-applications-haute-fiabilite","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/filtres-emi-pour-applications-haute-fiabilite\/","title":{"rendered":"Filtres EMI pour applications haute fiabilit\u00e9"},"content":{"rendered":"

L’utilisation de plus en plus fr\u00e9quente de filtres CMS plut\u00f4t que de filtres conventionnels sur les cartes, a permis de simplifier l’assemblage, de r\u00e9duire les co\u00fbts de production et d’obtenir de meilleurs rendements volum\u00e9triques, en offrant \u00e0 la fois un plus large choix d’options aux concepteurs, et des d\u00e9lais de livraison plus courts pour les composants destin\u00e9s au d\u00e9veloppement. KPD continue d’enrichir ses gammes existantes, en explore de nouvelles, et propose de nouveaux mat\u00e9riaux, comme des di\u00e9lectriques sans plomb.  Par exemple, les gammes de filtres traversants type \u00ab\u00a0C\u00a0\u00bb \u00e0 condensateurs c\u00e9ramique multicouches SYFER E01 et E07, proposent d\u00e9sormais des tensions de fonctionnement \u00e9tendues de 25V \u00e0 200V continu, voire 500V dans certains cas.  Cela va permettre d’\u00e9largir consid\u00e9rablement le march\u00e9 de ces dispositifs.  Ces filtres EMI tripolaires pour montage en surface sont con\u00e7us pour pr\u00e9senter une inductance r\u00e9duite par rapport aux MLCC conventionnels, lorsqu’ils servent au filtrage signal. Le signal filtr\u00e9 passe \u00e0 travers les \u00e9lectrodes internes de la puce et le \u00ab\u00a0bruit\u00a0\u00bb est filtr\u00e9 jusqu\u2019aux contacts lat\u00e9raux reli\u00e9s \u00e0 la masse, ce qui se traduit par un trajet plus court du bruit. Ces composants sont disponibles en di\u00e9lectrique C0G\/NP0 ou X7R, en bo\u00eetiers 0805 \u00e0 1812.  Les intensit\u00e9s nominales vont de 300 mA \u00e0 3A, avec des tensions nominales de 25V \u00e0 200V continu (voire 500V dans certains cas). <\/p>\n

La gamme SYFER E03 (X2Y) est particuli\u00e8rement int\u00e9ressante pour remplacer les filtres matriciels conventionnels dans les dispositifs m\u00e9dicaux implantables.   Disponibles en bo\u00eetiers 0805 \u00e0 2220, ces composants passifs int\u00e9gr\u00e9s font appel \u00e0 des condensateurs en mode commun et en mode diff\u00e9rentiel au sein d\u2019un m\u00eame condensateur c\u00e9ramique multi-couches.  Des versions \u00e0 di\u00e9lectrique C0G ou X7R sont disponibles en option. Les versions di\u00e9lectriques X7R sont disponibles avec les terminaisons \u00e9prouv\u00e9es FlexiCap de KPD, particuli\u00e8rement recommand\u00e9es pour les nouvelles conceptions. <\/p>\n

www.knowlescapacitors.com<\/a> <\/p>\n

Condensateurs MLCC haute temp\u00e9rature<\/a><\/h3>\n

Knowles lance des MLCC \u00ab\u00a0surtension et s\u00e9curit\u00e9\u00a0\u00bb sp\u00e9cifi\u00e9s 500 VAC<\/a><\/h3>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Les fabricants de mat\u00e9riels \u00e9lectroniques pour applications haute fiabilit\u00e9 peinent souvent \u00e0 satisfaire certaines normes CEM ou de s\u00e9curit\u00e9 tr\u00e8s strictes. Knowles Precision Devices (KPD) dispose d’une gamme de composants EMI, sous la marque SYFER, qui int\u00e9ressent particuli\u00e8rement les concepteurs de dispositifs m\u00e9dicaux implantables ou de syst\u00e8mes a\u00e9ronautiques, ou encore de produits destin\u00e9s aux applications industrielles, automobiles ou t\u00e9l\u00e9coms.<\/p>\n","protected":false},"author":9,"featured_media":127777,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1141],"class_list":["post-127776","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"Filtres EMI pour applications haute fiabilit\u00e9 ...<\/title>\n<meta name=\"description\" content=\"Les fabricants de mat\u00e9riels \u00e9lectroniques pour applications haute fiabilit\u00e9 peinent souvent \u00e0 satisfaire certaines normes CEM ou de s\u00e9curit\u00e9 tr\u00e8s...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/127776\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Filtres EMI pour applications haute fiabilit\u00e9\" \/>\n<meta property=\"og:description\" content=\"Les fabricants de mat\u00e9riels \u00e9lectroniques pour applications haute fiabilit\u00e9 peinent souvent \u00e0 satisfaire certaines normes CEM ou de s\u00e9curit\u00e9 tr\u00e8s strictes. Knowles Precision Devices (KPD) dispose d'une gamme de composants EMI, sous la marque SYFER, qui int\u00e9ressent particuli\u00e8rement les concepteurs de dispositifs m\u00e9dicaux implantables ou de syst\u00e8mes a\u00e9ronautiques, ou encore de produits destin\u00e9s aux applications industrielles, automobiles ou t\u00e9l\u00e9coms.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/127776\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2018-03-12T17:31:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/sites\/default\/files\/images\/eci6236_knowles.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1181\" \/>\n\t<meta property=\"og:image:height\" content=\"788\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Alain Dieul\" \/>\n<meta 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