{"id":484461,"date":"2025-08-12T10:47:17","date_gmt":"2025-08-12T08:47:17","guid":{"rendered":"https:\/\/www.ecinews.fr\/?p=484461"},"modified":"2025-08-12T10:47:17","modified_gmt":"2025-08-12T08:47:17","slug":"diodes-de-protection-esd-nexperia-pour-usb4-et-thunderbolt","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/diodes-de-protection-esd-nexperia-pour-usb4-et-thunderbolt\/","title":{"rendered":"Diodes de protection ESD Nexperia pour USB4 et Thunderbolt"},"content":{"rendered":"

Nexperia a pr\u00e9sent\u00e9 une s\u00e9rie de cinq diodes de protection de 1 V con\u00e7ues pour les lignes de transmission RF \u00e0 couplage alternatif, visant \u00e0 prot\u00e9ger les interfaces USB4\u00ae<\/sup> et Thunderbolt\u2122 contre les d\u00e9charges \u00e9lectrostatiques (ESD), les courants de surtension et les conditions de court-circuit. Avec des d\u00e9bits de donn\u00e9es sup\u00e9rieurs \u00e0 10 GHz, ces diodes de protection ESD rel\u00e8vent le d\u00e9fi croissant de pr\u00e9server l’int\u00e9grit\u00e9 du signal tout en offrant une protection ESD robuste.<\/p>\n

Pour les lecteurs d’eeNews Europe\/ECInews qui d\u00e9veloppent des interfaces grande vitesse, ces diodes offrent une approche personnalis\u00e9e pour \u00e9quilibrer les performances RF et la robustesse ESD, en particulier lorsque les contraintes d’agencement des circuits imprim\u00e9s peuvent affecter \u00e0 la fois les niveaux de protection et la qualit\u00e9 de la transmission.<\/p>\n

Optimis\u00e9 pour diff\u00e9rentes configurations de circuits imprim\u00e9s<\/h2>\n

Les exemples de cette nouvelle s\u00e9rie incluent les PESD1V0C1BSF<\/a> et PESD1V0H1BSF<\/a>, qui, selon Nexperia, peuvent \u00eatre adapt\u00e9es \u00e0 des longueurs et des configurations de circuits imprim\u00e9s sp\u00e9cifiques. Selon Stefan Seider, chef de produit senior chez Nexperia, \u00ab\u00a0Avec cette nouvelle s\u00e9rie de diodes de protection, Nexperia offre aux concepteurs la flexibilit\u00e9 de s\u00e9lectionner le composant le plus appropri\u00e9 \u00e0 la configuration sp\u00e9cifique de leur carte, offrant ainsi le plus haut niveau de protection.\u00a0\u00bb Il ajoute que la soci\u00e9t\u00e9 peut fournir des mod\u00e8les de simulation RF et SEED (system-efficient ESD design) pour aider \u00e0 l’optimisation.<\/p>\n

Des circuits imprim\u00e9s plus courts entre le circuit int\u00e9gr\u00e9 de l’\u00e9metteur-r\u00e9cepteur et le composant de protection peuvent r\u00e9duire l’inductance parasite mais peuvent r\u00e9duire aussi la r\u00e9sistance globale aux d\u00e9charges \u00e9lectrostatiques. Inversement, des traces plus longues r\u00e9duisent les probl\u00e8mes de serrage mais peuvent introduire une d\u00e9gradation du signal. En proposant plusieurs options de composants avec des param\u00e8tres variables, Nexperia<\/a> vise \u00e0 donner aux concepteurs la possibilit\u00e9 d’affiner leur strat\u00e9gie de protection sans sacrifier les performances RF.<\/p>\n

Grande r\u00e9sistance aux d\u00e9charges \u00e9lectrostatiques avec perte d’insertion minimale<\/h2>\n

Les diodes prot\u00e8gent contre les d\u00e9charges \u00e9lectrostatiques jusqu’\u00e0 \u00b118 kV et offrent une r\u00e9sistance aux surtensions jusqu’\u00e0 9,6 A. Leur capacit\u00e9 ultra-faible, jusqu’\u00e0 0,1 pF, minimise la perte d’insertion (jusqu’\u00e0 -0,21 dB \u00e0 12,8 GHz) et \u00e9vite les r\u00e9sonances jusqu’\u00e0 40 GHz.<\/p>\n

Les composants sont log\u00e9s dans le bo\u00eetier sans plomb DSN0603-2 (SOD962-2), con\u00e7u pour une inductance ultra-faible. Ils conviennent donc aux appareils portables, aux syst\u00e8mes de communication, aux p\u00e9riph\u00e9riques informatiques et \u00e0 d’autres applications o\u00f9 l’encombrement de la carte et la fid\u00e9lit\u00e9 du signal sont critiques.<\/p>\n

Vous trouverez plus d’informations sur la page du produit Nexperia<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

Nexperia a pr\u00e9sent\u00e9 une s\u00e9rie de cinq diodes de protection de 1 V con\u00e7ues pour les lignes de transmission RF \u00e0 couplage alternatif, visant \u00e0 prot\u00e9ger les interfaces USB4\u00ae et Thunderbolt\u2122 contre les d\u00e9charges \u00e9lectrostatiques (ESD), les courants de surtension et les conditions de court-circuit. Avec des d\u00e9bits de donn\u00e9es sup\u00e9rieurs \u00e0 10 GHz, ces […]<\/p>\n","protected":false},"author":34,"featured_media":484436,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[2995,4692,4686],"domains":[47],"ppma_author":[10387,1153],"class_list":["post-484461","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-protection-esd","tag-thunderbolt-fr","tag-usb4-fr","domains-electronique-eci"],"acf":[],"yoast_head":"Diodes de protection ESD Nexperia pour USB4 et Thunderbolt ...<\/title>\n<meta name=\"description\" content=\"Les diodes de protection ESD pour USB4 et Thunderbolt maintiennent l'int\u00e9grit\u00e9 du signal au-del\u00e0 de 10 GHz.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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