{"id":5956,"date":"2026-07-29T08:33:00","date_gmt":"2026-07-29T00:33:00","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?p=5956"},"modified":"2026-06-25T16:15:27","modified_gmt":"2026-06-25T08:15:27","slug":"rogers-4350b-vs-4003c","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/fr\/blog\/rogers-4350b-vs-4003c\/","title":{"rendered":"Comparaison entre le Rogers 4350B et le Rogers 4003C"},"content":{"rendered":"<p>Les Rogers 4350B et Rogers 4003C comptent parmi les mat\u00e9riaux pour circuits imprim\u00e9s haute fr\u00e9quence les plus couramment utilis\u00e9s dans l'industrie \u00e9lectronique. Tous deux appartiennent \u00e0 la s\u00e9rie Rogers RO4000 et sont fr\u00e9quemment choisis pour des applications dans les domaines des radiofr\u00e9quences, des micro-ondes, des communications sans fil, de l'a\u00e9rospatiale et des r\u00e9seaux.<\/p><p>Leurs caract\u00e9ristiques \u00e9lectriques \u00e9tant relativement proches, les ing\u00e9nieurs comparent souvent ces deux mat\u00e9riaux lorsqu'ils \u00e9valuent les performances, la facilit\u00e9 de fabrication et le co\u00fbt global d'un projet.<\/p><p>Bien qu'ils pr\u00e9sentent de nombreuses similitudes, il existe des diff\u00e9rences importantes qui peuvent influencer le choix des mat\u00e9riaux.<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/Rogers-4350B-and-Rogers-4003C-Compared.jpg\" alt=\"Comparaison entre le Rogers 4350B et le Rogers 4003C\" class=\"wp-image-5957\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/Rogers-4350B-and-Rogers-4003C-Compared.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/Rogers-4350B-and-Rogers-4003C-Compared-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/Rogers-4350B-and-Rogers-4003C-Compared-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_74 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table des mati\u00e8res<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/rogers-4350b-vs-4003c\/#Understanding_the_RO4000_Series\" >Pr\u00e9sentation de la s\u00e9rie RO4000<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/rogers-4350b-vs-4003c\/#Overview_of_Rogers_4350B\" >Pr\u00e9sentation du Rogers 4350B<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/rogers-4350b-vs-4003c\/#Overview_of_Rogers_4003C\" >Pr\u00e9sentation du Rogers 4003C<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/rogers-4350b-vs-4003c\/#Electrical_Performance_Comparison\" >Comparaison des performances \u00e9lectriques<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/rogers-4350b-vs-4003c\/#Dielectric_Constant\" >Constante di\u00e9lectrique<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/rogers-4350b-vs-4003c\/#Dissipation_Factor\" >Facteur de dissipation<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/rogers-4350b-vs-4003c\/#Thermal_Performance\" >Performance thermique<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/rogers-4350b-vs-4003c\/#Manufacturing_Considerations\" >Consid\u00e9rations relatives \u00e0 la fabrication<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/rogers-4350b-vs-4003c\/#Applications_for_Rogers_4350B\" >Applications du Rogers 4350B<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/rogers-4350b-vs-4003c\/#Power_Amplifiers\" >Amplificateurs de puissance<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/rogers-4350b-vs-4003c\/#Base_Station_Equipment\" >\u00c9quipement de station de base<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/rogers-4350b-vs-4003c\/#Automotive_Radar\" >Radar automobile<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/rogers-4350b-vs-4003c\/#Mixed_RF_and_Digital_Designs\" >Conceptions mixtes RF et num\u00e9riques<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/rogers-4350b-vs-4003c\/#Applications_for_Rogers_4003C\" >Applications du Rogers 4003C<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/rogers-4350b-vs-4003c\/#Microwave_Communication_Systems\" >Syst\u00e8mes de communication par micro-ondes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/rogers-4350b-vs-4003c\/#Antenna_Circuits\" >Circuits d'antenne<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/rogers-4350b-vs-4003c\/#Satellite_Communication_Equipment\" >\u00c9quipements de communication par satellite<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/rogers-4350b-vs-4003c\/#Precision_RF_Modules\" >Modules RF de pr\u00e9cision<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/rogers-4350b-vs-4003c\/#Hybrid_Stackups_with_FR4\" >Assemblages hybrides avec du FR4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/rogers-4350b-vs-4003c\/#Which_Material_Should_You_Choose\" >Quel mat\u00e9riau choisir ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/rogers-4350b-vs-4003c\/#FAQ\" >FAQ<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Understanding_the_RO4000_Series\"><\/span>Pr\u00e9sentation de la s\u00e9rie RO4000<span class=\"ez-toc-section-end\"><\/span><\/h2><p>La gamme RO4000 a \u00e9t\u00e9 d\u00e9velopp\u00e9e pour combler le foss\u00e9 entre les mat\u00e9riaux FR4 classiques et les stratifi\u00e9s RF \u00e0 base de PTFE.<\/p><p>Par rapport aux mat\u00e9riaux en PTFE, la s\u00e9rie RO4000 offre :<\/p><ul class=\"wp-block-list\"><li>Fabrication simplifi\u00e9e<\/li>\n\n<li>Stabilit\u00e9 dimensionnelle am\u00e9lior\u00e9e<\/li>\n\n<li>Meilleure compatibilit\u00e9 avec les processus de fabrication<\/li>\n\n<li>Complexit\u00e9 de traitement r\u00e9duite<\/li><\/ul><p>Par rapport au FR4 standard, les mat\u00e9riaux RO4000 offrent :<\/p><ul class=\"wp-block-list\"><li>Perte di\u00e9lectrique plus faible<\/li>\n\n<li>Propri\u00e9t\u00e9s di\u00e9lectriques plus stables<\/li>\n\n<li>Meilleure performance \u00e0 haute fr\u00e9quence<\/li><\/ul><p>Les lecteurs qui ne connaissent pas encore la gamme de produits Rogers peuvent commencer par consulter <strong><a href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/rogers-pcb-material\/\">Mat\u00e9riau pour circuits imprim\u00e9s Rogers<\/a><\/strong> pour plus d'informations.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Overview_of_Rogers_4350B\"><\/span>Pr\u00e9sentation du Rogers 4350B<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Le Rogers 4350B est l'un des stratifi\u00e9s RF les plus couramment utilis\u00e9s dans le monde entier.<\/p><p>Les propri\u00e9t\u00e9s typiques des mat\u00e9riaux sont notamment les suivantes :<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Propri\u00e9t\u00e9<\/th><th>Rogers 4350B<\/th><\/tr><tr><td>Dk (10 GHz)<\/td><td>3.48<\/td><\/tr><tr><td>Df (10 GHz)<\/td><td>0.0037<\/td><\/tr><tr><td>Conductivit\u00e9 thermique<\/td><td>0,69 W\/m\u00b7K<\/td><\/tr><tr><td>TG<\/td><td>&gt;280 \u00b0C<\/td><\/tr><tr><td>Absorption de l'humidit\u00e9<\/td><td>Faible<\/td><\/tr><\/tbody><\/table><\/figure><p>Les principaux avantages sont les suivants :<\/p><ul class=\"wp-block-list\"><li>Excellente stabilit\u00e9 dimensionnelle<\/li>\n\n<li>Bonnes performances thermiques<\/li>\n\n<li>Performances fiables des trous m\u00e9tallis\u00e9s<\/li>\n\n<li>Largement reconnu dans le secteur<\/li><\/ul><p>En raison de ses caract\u00e9ristiques \u00e9quilibr\u00e9es, le Rogers 4350B est fr\u00e9quemment utilis\u00e9 dans les produits RF tant commerciaux qu'industriels.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Overview_of_Rogers_4003C\"><\/span>Pr\u00e9sentation du Rogers 4003C<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Le Rogers 4003C est un autre stratifi\u00e9 c\u00e9ramique \u00e0 base d'hydrocarbures con\u00e7u pour les applications RF et hyperfr\u00e9quences.<\/p><p>Parmi les caract\u00e9ristiques typiques, on peut citer :<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Propri\u00e9t\u00e9<\/td><td>Rogers 4003C<\/td><\/tr><tr><td>Dk (10 GHz)<\/td><td>3.55<\/td><\/tr><tr><td>Df (10 GHz)<\/td><td>0.0027<\/td><\/tr><tr><td>Conductivit\u00e9 thermique<\/td><td>0,71 W\/m\u00b7K<\/td><\/tr><tr><td>Absorption de l'humidit\u00e9<\/td><td>Faible<\/td><\/tr><tr><td>Compatibilit\u00e9 des processus<\/td><td>Excellent<\/td><\/tr><\/tbody><\/table><\/figure><p>Sa faible perte di\u00e9lectrique en fait un mat\u00e9riau int\u00e9ressant pour les conceptions fonctionnant \u00e0 des fr\u00e9quences plus \u00e9lev\u00e9es ou n\u00e9cessitant des trajets de transmission RF plus longs.<\/p><p>Le Rogers 4003C est largement utilis\u00e9 dans :<\/p><ul class=\"wp-block-list\"><li>Syst\u00e8mes de communication sans fil<\/li>\n\n<li>Modules RF<\/li>\n\n<li>Conceptions d'antennes<\/li>\n\n<li>Circuits hyperfr\u00e9quences<\/li><\/ul><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/Rogers-4350B-and-Rogers-4003C-Compared-1.jpg\" alt=\"Comparaison entre le Rogers 4350B et le Rogers 4003C\" class=\"wp-image-5958\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/Rogers-4350B-and-Rogers-4003C-Compared-1.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/Rogers-4350B-and-Rogers-4003C-Compared-1-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/Rogers-4350B-and-Rogers-4003C-Compared-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Electrical_Performance_Comparison\"><\/span>Comparaison des performances \u00e9lectriques<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Les caract\u00e9ristiques \u00e9lectriques constituent souvent la principale raison pour laquelle les ing\u00e9nieurs choisissent un mat\u00e9riau plut\u00f4t qu'un autre.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Dielectric_Constant\"><\/span>Constante di\u00e9lectrique<span class=\"ez-toc-section-end\"><\/span><\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Mat\u00e9riau<\/td><td>Dk<\/td><\/tr><tr><td>Rogers 4350B<\/td><td>3.48<\/td><\/tr><tr><td>Rogers 4003C<\/td><td>3.55<\/td><\/tr><\/tbody><\/table><\/figure><p>La diff\u00e9rence est relativement faible.<\/p><p>Dans la plupart des conceptions pratiques, ces deux mat\u00e9riaux permettent un excellent contr\u00f4le de l'imp\u00e9dance et garantissent un comportement pr\u00e9visible du signal.<\/p><p>Comme indiqu\u00e9 dans <strong><a href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/dk-and-df-values-in-pcb-materials\/\">Valeurs Dk et Df des mat\u00e9riaux utilis\u00e9s dans les circuits imprim\u00e9s<\/a><\/strong>, la stabilit\u00e9 des propri\u00e9t\u00e9s di\u00e9lectriques est souvent plus importante que la valeur exacte de Dk elle-m\u00eame.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Dissipation_Factor\"><\/span>Facteur de dissipation<span class=\"ez-toc-section-end\"><\/span><\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Mat\u00e9riau<\/td><td>Df<\/td><\/tr><tr><td>Rogers 4350B<\/td><td>0.0037<\/td><\/tr><tr><td>Rogers 4003C<\/td><td>0.0027<\/td><\/tr><\/tbody><\/table><\/figure><p>Le Rogers 4003C pr\u00e9sente une perte di\u00e9lectrique l\u00e9g\u00e8rement inf\u00e9rieure.<\/p><p>Pour les applications concernant :<\/p><ul class=\"wp-block-list\"><li>Fr\u00e9quences plus \u00e9lev\u00e9es<\/li>\n\n<li>Des lignes de transport plus longues<\/li>\n\n<li>Exigences plus strictes en mati\u00e8re de radiofr\u00e9quences<\/li><\/ul><p>cet avantage pourrait s'av\u00e9rer significatif.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Thermal_Performance\"><\/span>Performance thermique<span class=\"ez-toc-section-end\"><\/span><\/h2><p>La stabilit\u00e9 thermique est un autre aspect important \u00e0 prendre en compte.<\/p><p>Ces deux mat\u00e9riaux offrent des performances nettement sup\u00e9rieures \u00e0 celles des syst\u00e8mes FR4 classiques.<\/p><p>Les avantages sont les suivants<\/p><ul class=\"wp-block-list\"><li>Stabilit\u00e9 dimensionnelle am\u00e9lior\u00e9e<\/li>\n\n<li>Une meilleure fiabilit\u00e9 lors des cycles thermiques<\/li>\n\n<li>Diminution de la dilatation pendant l'assemblage<\/li><\/ul><p>Pour les ing\u00e9nieurs qui abandonnent les stratifi\u00e9s classiques, les diff\u00e9rences deviennent plus perceptibles dans les structures multicouches complexes.<\/p><p>Les personnes travaillant avec des mat\u00e9riaux classiques auraient tout int\u00e9r\u00eat \u00e0 consulter <strong><a href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/high-tg-fr4-pcb\/\">Circuit imprim\u00e9 FR4 \u00e0 TG \u00e9lev\u00e9<\/a><\/strong> pour comprendre comment les performances thermiques influent sur la fiabilit\u00e9.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Manufacturing_Considerations\"><\/span>Consid\u00e9rations relatives \u00e0 la fabrication<span class=\"ez-toc-section-end\"><\/span><\/h2><p>L'une des raisons pour lesquelles la gamme RO4000 reste tr\u00e8s appr\u00e9ci\u00e9e r\u00e9side dans sa compatibilit\u00e9 en termes de fabrication.<\/p><p>Par rapport aux stratifi\u00e9s en PTFE :<\/p><ul class=\"wp-block-list\"><li>Le per\u00e7age est plus facile<\/li>\n\n<li>La plastification est plus simple<\/li>\n\n<li>L'adh\u00e9rence sur le cuivre est excellente<\/li>\n\n<li>Les co\u00fbts de fabrication sont g\u00e9n\u00e9ralement moins \u00e9lev\u00e9s<\/li><\/ul><p>De nombreux fabricants de circuits imprim\u00e9s traitent les mat\u00e9riaux Rogers 4350B et 4003C \u00e0 l'aide d'\u00e9quipements similaires \u00e0 ceux utilis\u00e9s pour la production de FR4.<\/p><p>Cela r\u00e9duit la complexit\u00e9 de la fabrication et contribue \u00e0 raccourcir les d\u00e9lais de livraison.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Applications_for_Rogers_4350B\"><\/span>Applications du Rogers 4350B<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Le Rogers 4350B est souvent choisi pour :<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Power_Amplifiers\"><\/span>Amplificateurs de puissance<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Sa stabilit\u00e9 thermique le rend adapt\u00e9 aux applications de puissance RF.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Base_Station_Equipment\"><\/span>\u00c9quipement de station de base<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Les produits d'infrastructure sans fil utilisent souvent le 4350B pour garantir des performances RF fiables.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Automotive_Radar\"><\/span>Radar automobile<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Ce mat\u00e9riau offre de bonnes performances dans les syst\u00e8mes radar et les syst\u00e8mes avanc\u00e9s d'aide \u00e0 la conduite.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mixed_RF_and_Digital_Designs\"><\/span>Conceptions mixtes RF et num\u00e9riques<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Sa flexibilit\u00e9 de fabrication en fait une solution int\u00e9ressante pour les assemblages hybrides.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Applications_for_Rogers_4003C\"><\/span>Applications du Rogers 4003C<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Le Rogers 4003C est couramment utilis\u00e9 dans :<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Microwave_Communication_Systems\"><\/span>Syst\u00e8mes de communication par micro-ondes<span class=\"ez-toc-section-end\"><\/span><\/h3><p>La r\u00e9duction des pertes di\u00e9lectriques permet d'am\u00e9liorer la transmission du signal.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Antenna_Circuits\"><\/span>Circuits d'antenne<span class=\"ez-toc-section-end\"><\/span><\/h3><p>La stabilit\u00e9 des caract\u00e9ristiques \u00e9lectriques permet de garantir un comportement pr\u00e9visible de l'antenne.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Satellite_Communication_Equipment\"><\/span>\u00c9quipements de communication par satellite<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Dans les environnements a\u00e9rospatiaux, il est essentiel de disposer de performances RF fiables et \u00e0 faibles pertes.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Precision_RF_Modules\"><\/span>Modules RF de pr\u00e9cision<span class=\"ez-toc-section-end\"><\/span><\/h3><p>De nombreux modules de frontal RF utilisent le 4003C pour r\u00e9duire au minimum l'att\u00e9nuation du signal.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hybrid_Stackups_with_FR4\"><\/span>Assemblages hybrides avec du FR4<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Dans de nombreux produits, seule une partie du circuit imprim\u00e9 n\u00e9cessite des mat\u00e9riaux adapt\u00e9s aux fr\u00e9quences radio.<\/p><p>Les concepteurs cr\u00e9ent souvent des assemblages hybrides combinant :<\/p><ul class=\"wp-block-list\"><li>Rogers 4350B ou 4003C<\/li>\n\n<li>Noyaux FR4<\/li>\n\n<li>Pr\u00e9impr\u00e9gn\u00e9s standard<\/li><\/ul><p>Cette approche pr\u00e9sente les avantages suivants :<\/p><ul class=\"wp-block-list\"><li>Co\u00fbt des mat\u00e9riaux r\u00e9duit<\/li>\n\n<li>Fabrication simplifi\u00e9e<\/li>\n\n<li>Une meilleure rentabilit\u00e9 globale du projet<\/li><\/ul><p>Les conceptions hybrides sont couramment utilis\u00e9es dans les produits de communication qui int\u00e8grent \u00e0 la fois des circuits RF et des circuits num\u00e9riques.<\/p><p>Pour plus d'informations sur la construction par empilement, consultez <strong><a href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/pcb-core-and-prepreg\/\">Mat\u00e9riaux pour le c\u0153ur des circuits imprim\u00e9s et les pr\u00e9impr\u00e9gn\u00e9s<\/a><\/strong>.<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/Rogers-4350B-and-Rogers-4003C-Compared-2.jpg\" alt=\"Comparaison entre le Rogers 4350B et le Rogers 4003C\" class=\"wp-image-5959\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/Rogers-4350B-and-Rogers-4003C-Compared-2.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/Rogers-4350B-and-Rogers-4003C-Compared-2-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/06\/Rogers-4350B-and-Rogers-4003C-Compared-2-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Which_Material_Should_You_Choose\"><\/span>Quel mat\u00e9riau choisir ?<span class=\"ez-toc-section-end\"><\/span><\/h2><p>La r\u00e9ponse d\u00e9pend des priorit\u00e9s de conception.<\/p><p>Le mod\u00e8le Rogers 4350B est souvent choisi dans les cas suivants :<\/p><ul class=\"wp-block-list\"><li>La stabilit\u00e9 thermique est importante<\/li>\n\n<li>On recherche une certaine flexibilit\u00e9 dans la production<\/li>\n\n<li>Une adoption av\u00e9r\u00e9e dans le secteur est pr\u00e9f\u00e9rable<\/li><\/ul><p>Le mod\u00e8le Rogers 4003C est souvent choisi dans les cas suivants :<\/p><ul class=\"wp-block-list\"><li>Il est n\u00e9cessaire de r\u00e9duire les pertes di\u00e9lectriques<\/li>\n\n<li>La performance RF est l'objectif principal<\/li>\n\n<li>L'att\u00e9nuation du signal doit \u00eatre r\u00e9duite au minimum<\/li><\/ul><p>Dans de nombreux cas, l'un ou l'autre de ces mat\u00e9riaux permet de r\u00e9pondre pleinement aux exigences du projet.<\/p><p>La d\u00e9cision finale est souvent influenc\u00e9e par :<\/p><ul class=\"wp-block-list\"><li>Gamme de fr\u00e9quences<\/li>\n\n<li>Exigences en mati\u00e8re d'empilement<\/li>\n\n<li>Disponibilit\u00e9<\/li>\n\n<li>Objectifs de co\u00fbts<\/li>\n\n<li>Pr\u00e9f\u00e9rences en mati\u00e8re de fabrication<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>FAQ<span class=\"ez-toc-section-end\"><\/span><\/h2><div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1782374238860\"><strong class=\"schema-faq-question\">Q : Quelle est la diff\u00e9rence entre le Rogers 4350B et le Rogers 4003C ?<\/strong> <p class=\"schema-faq-answer\">R : Les principales diff\u00e9rences r\u00e9sident dans la constante di\u00e9lectrique et le facteur de dissipation. Le Rogers 4003C pr\u00e9sente des pertes l\u00e9g\u00e8rement inf\u00e9rieures, tandis que le Rogers 4350B est souvent privil\u00e9gi\u00e9 pour sa stabilit\u00e9 thermique et son large recours dans l'industrie.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782374251597\"><strong class=\"schema-faq-question\">Q : Quel mat\u00e9riau pr\u00e9sente les pertes di\u00e9lectriques les plus faibles ?<\/strong> <p class=\"schema-faq-answer\">R : Le Rogers 4003C pr\u00e9sente g\u00e9n\u00e9ralement un facteur de dissipation inf\u00e9rieur \u00e0 celui du Rogers 4350B.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782374261779\"><strong class=\"schema-faq-question\">Q : Le mod\u00e8le Rogers 4350B est-il adapt\u00e9 aux applications micro-ondes ?<\/strong> <p class=\"schema-faq-answer\">R : Oui. Le Rogers 4350B est largement utilis\u00e9 dans les circuits RF et hyperfr\u00e9quences, notamment dans les antennes, les amplificateurs et les infrastructures sans fil.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782374333871\"><strong class=\"schema-faq-question\">Q : Le Rogers 4003C peut-il remplacer le Rogers 4350B ?<\/strong> <p class=\"schema-faq-answer\">R : Dans de nombreuses applications, oui. Toutefois, la d\u00e9cision finale doit \u00eatre prise en fonction des exigences \u00e9lectriques, thermiques et de fabrication.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782374348970\"><strong class=\"schema-faq-question\">Q : Ces deux mat\u00e9riaux sont-ils tous deux plus performants que le FR4 pour les circuits RF ?<\/strong> <p class=\"schema-faq-answer\">R : Oui. Ces deux mat\u00e9riaux pr\u00e9sentent des pertes di\u00e9lectriques plus faibles et des propri\u00e9t\u00e9s \u00e9lectriques plus stables que le FR4 standard.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>Rogers 4350B and Rogers 4003C are two of the most widely used RF laminate materials in PCB manufacturing. Both provide excellent high-frequency performance, low dielectric loss, and reliable manufacturability. While Rogers 4003C offers slightly lower loss, Rogers 4350B is often chosen for its thermal stability and broad industry acceptance. Understanding their differences helps engineers select the most suitable material for RF, microwave, and communication applications.<\/p>","protected":false},"author":1,"featured_media":5960,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[484,491],"class_list":["post-5956","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-pcb-material","tag-rogers"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Rogers 4350B and Rogers 4003C Compared<\/title>\n<meta name=\"description\" content=\"Compare Rogers 4350B and Rogers 4003C PCB materials, including dielectric constant, dissipation factor, thermal performance, applications, and material selection considerations.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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Rogers 4003C offers slightly lower loss, while Rogers 4350B is often preferred for its thermal stability and broad industry adoption.\",\"inLanguage\":\"fr-FR\"},\"inLanguage\":\"fr-FR\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/rogers-4350b-vs-4003c\/#faq-question-1782374251597\",\"position\":2,\"url\":\"https:\/\/www.topfastpcb.com\/blog\/rogers-4350b-vs-4003c\/#faq-question-1782374251597\",\"name\":\"Q: Which material has lower dielectric loss?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A: Rogers 4003C generally has a lower dissipation factor than Rogers 4350B.\",\"inLanguage\":\"fr-FR\"},\"inLanguage\":\"fr-FR\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/rogers-4350b-vs-4003c\/#faq-question-1782374261779\",\"position\":3,\"url\":\"https:\/\/www.topfastpcb.com\/blog\/rogers-4350b-vs-4003c\/#faq-question-1782374261779\",\"name\":\"Q: Is Rogers 4350B suitable for microwave applications?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A: Yes. 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However, the final decision should be based on electrical, thermal, and manufacturing requirements.\",\"inLanguage\":\"fr-FR\"},\"inLanguage\":\"fr-FR\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/rogers-4350b-vs-4003c\/#faq-question-1782374348970\",\"position\":5,\"url\":\"https:\/\/www.topfastpcb.com\/blog\/rogers-4350b-vs-4003c\/#faq-question-1782374348970\",\"name\":\"Q: Are both materials better than FR4 for RF circuits?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A: Yes. Both materials offer lower dielectric loss and more stable electrical properties than standard FR4.\",\"inLanguage\":\"fr-FR\"},\"inLanguage\":\"fr-FR\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Rogers 4350B and Rogers 4003C Compared","description":"Compare Rogers 4350B and Rogers 4003C PCB materials, including dielectric constant, dissipation factor, thermal performance, applications, and material selection considerations.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.topfastpcb.com\/fr\/blog\/rogers-4350b-vs-4003c\/","og_locale":"fr_FR","og_type":"article","og_title":"Rogers 4350B and Rogers 4003C Compared","og_description":"Compare Rogers 4350B and Rogers 4003C PCB materials, including dielectric constant, dissipation factor, thermal performance, applications, and material selection 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What is the difference between Rogers 4350B and Rogers 4003C?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A: The primary differences are dielectric constant and dissipation factor. Rogers 4003C offers slightly lower loss, while Rogers 4350B is often preferred for its thermal stability and broad industry adoption.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/www.topfastpcb.com\/blog\/rogers-4350b-vs-4003c\/#faq-question-1782374251597","position":2,"url":"https:\/\/www.topfastpcb.com\/blog\/rogers-4350b-vs-4003c\/#faq-question-1782374251597","name":"Q: Which material has lower dielectric loss?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A: Rogers 4003C generally has a lower dissipation factor than Rogers 4350B.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/www.topfastpcb.com\/blog\/rogers-4350b-vs-4003c\/#faq-question-1782374261779","position":3,"url":"https:\/\/www.topfastpcb.com\/blog\/rogers-4350b-vs-4003c\/#faq-question-1782374261779","name":"Q: Is Rogers 4350B suitable for microwave applications?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A: Yes. Rogers 4350B is widely used in RF and microwave circuits, including antennas, amplifiers, and wireless infrastructure.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/www.topfastpcb.com\/blog\/rogers-4350b-vs-4003c\/#faq-question-1782374333871","position":4,"url":"https:\/\/www.topfastpcb.com\/blog\/rogers-4350b-vs-4003c\/#faq-question-1782374333871","name":"Q: Can Rogers 4003C replace Rogers 4350B?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A: In many applications, yes. However, the final decision should be based on electrical, thermal, and manufacturing requirements.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/www.topfastpcb.com\/blog\/rogers-4350b-vs-4003c\/#faq-question-1782374348970","position":5,"url":"https:\/\/www.topfastpcb.com\/blog\/rogers-4350b-vs-4003c\/#faq-question-1782374348970","name":"Q: Are both materials better than FR4 for RF circuits?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A: Yes. Both materials offer lower dielectric loss and more stable electrical properties than standard FR4.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"}]}},"_links":{"self":[{"href":"https:\/\/www.topfastpcb.com\/fr\/wp-json\/wp\/v2\/posts\/5956","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.topfastpcb.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.topfastpcb.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/fr\/wp-json\/wp\/v2\/comments?post=5956"}],"version-history":[{"count":1,"href":"https:\/\/www.topfastpcb.com\/fr\/wp-json\/wp\/v2\/posts\/5956\/revisions"}],"predecessor-version":[{"id":5961,"href":"https:\/\/www.topfastpcb.com\/fr\/wp-json\/wp\/v2\/posts\/5956\/revisions\/5961"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/fr\/wp-json\/wp\/v2\/media\/5960"}],"wp:attachment":[{"href":"https:\/\/www.topfastpcb.com\/fr\/wp-json\/wp\/v2\/media?parent=5956"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.topfastpcb.com\/fr\/wp-json\/wp\/v2\/categories?post=5956"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.topfastpcb.com\/fr\/wp-json\/wp\/v2\/tags?post=5956"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}