{"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\/pt\/blog\/rogers-4350b-vs-4003c\/","title":{"rendered":"Compara\u00e7\u00e3o entre o Rogers 4350B e o Rogers 4003C"},"content":{"rendered":"<p>O Rogers 4350B e o Rogers 4003C est\u00e3o entre os materiais para placas de circuito impresso (PCB) de alta frequ\u00eancia mais utilizados na ind\u00fastria eletr\u00f3nica. Ambos pertencem \u00e0 s\u00e9rie Rogers RO4000 e s\u00e3o frequentemente escolhidos para aplica\u00e7\u00f5es de RF, micro-ondas, comunica\u00e7\u00f5es sem fios, aeroespaciais e de redes.<\/p><p>Uma vez que as suas caracter\u00edsticas el\u00e9tricas s\u00e3o relativamente semelhantes, os engenheiros comparam frequentemente estes dois materiais ao avaliar o desempenho, a facilidade de fabrico e o custo global do projeto.<\/p><p>Embora partilhem muitas semelhan\u00e7as, existem diferen\u00e7as importantes que podem influenciar a escolha do material.<\/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=\"Compara\u00e7\u00e3o entre o Rogers 4350B e o 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\">\u00cdndice<\/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\/pt\/blog\/rogers-4350b-vs-4003c\/#Understanding_the_RO4000_Series\" >Compreender a 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\/pt\/blog\/rogers-4350b-vs-4003c\/#Overview_of_Rogers_4350B\" >Vis\u00e3o geral do 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\/pt\/blog\/rogers-4350b-vs-4003c\/#Overview_of_Rogers_4003C\" >Vis\u00e3o geral do 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\/pt\/blog\/rogers-4350b-vs-4003c\/#Electrical_Performance_Comparison\" >Compara\u00e7\u00e3o do desempenho el\u00e9trico<\/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\/pt\/blog\/rogers-4350b-vs-4003c\/#Dielectric_Constant\" >Constante diel\u00e9ctrica<\/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\/pt\/blog\/rogers-4350b-vs-4003c\/#Dissipation_Factor\" >Fator de dissipa\u00e7\u00e3o<\/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\/pt\/blog\/rogers-4350b-vs-4003c\/#Thermal_Performance\" >Desempenho t\u00e9rmico<\/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\/pt\/blog\/rogers-4350b-vs-4003c\/#Manufacturing_Considerations\" >Considera\u00e7\u00f5es sobre a fabrica\u00e7\u00e3o<\/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\/pt\/blog\/rogers-4350b-vs-4003c\/#Applications_for_Rogers_4350B\" >Aplica\u00e7\u00f5es do 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\/pt\/blog\/rogers-4350b-vs-4003c\/#Power_Amplifiers\" >Amplificadores de pot\u00eancia<\/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\/pt\/blog\/rogers-4350b-vs-4003c\/#Base_Station_Equipment\" >Equipamento da esta\u00e7\u00e3o 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\/pt\/blog\/rogers-4350b-vs-4003c\/#Automotive_Radar\" >Radar autom\u00f3vel<\/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\/pt\/blog\/rogers-4350b-vs-4003c\/#Mixed_RF_and_Digital_Designs\" >Projetos mistos de RF e digitais<\/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\/pt\/blog\/rogers-4350b-vs-4003c\/#Applications_for_Rogers_4003C\" >Aplica\u00e7\u00f5es do 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\/pt\/blog\/rogers-4350b-vs-4003c\/#Microwave_Communication_Systems\" >Sistemas de comunica\u00e7\u00e3o por micro-ondas<\/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\/pt\/blog\/rogers-4350b-vs-4003c\/#Antenna_Circuits\" >Circuitos de antena<\/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\/pt\/blog\/rogers-4350b-vs-4003c\/#Satellite_Communication_Equipment\" >Equipamento de comunica\u00e7\u00e3o por sat\u00e9lite<\/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\/pt\/blog\/rogers-4350b-vs-4003c\/#Precision_RF_Modules\" >M\u00f3dulos de RF de precis\u00e3o<\/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\/pt\/blog\/rogers-4350b-vs-4003c\/#Hybrid_Stackups_with_FR4\" >Conjuntos h\u00edbridos com 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\/pt\/blog\/rogers-4350b-vs-4003c\/#Which_Material_Should_You_Choose\" >Que material deve escolher?<\/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\/pt\/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>Compreender a S\u00e9rie RO4000<span class=\"ez-toc-section-end\"><\/span><\/h2><p>A fam\u00edlia RO4000 foi desenvolvida para colmatar a lacuna entre os materiais FR4 convencionais e os laminados de RF \u00e0 base de PTFE.<\/p><p>Em compara\u00e7\u00e3o com os materiais de PTFE, a s\u00e9rie RO4000 oferece:<\/p><ul class=\"wp-block-list\"><li>Fabrico mais f\u00e1cil<\/li>\n\n<li>Maior estabilidade dimensional<\/li>\n\n<li>Maior compatibilidade de fabrico<\/li>\n\n<li>Menor complexidade de processamento<\/li><\/ul><p>Em compara\u00e7\u00e3o com o FR4 padr\u00e3o, os materiais RO4000 oferecem:<\/p><ul class=\"wp-block-list\"><li>Menor perda diel\u00e9trica<\/li>\n\n<li>Propriedades diel\u00e9tricas mais est\u00e1veis<\/li>\n\n<li>Melhor desempenho de alta frequ\u00eancia<\/li><\/ul><p>Os leitores que n\u00e3o estejam familiarizados com a fam\u00edlia de produtos Rogers podem, em primeiro lugar, consultar <strong><a href=\"https:\/\/www.topfastpcb.com\/pt\/blog\/rogers-pcb-material\/\">Material para placas de circuito impresso da Rogers<\/a><\/strong> para obter mais informa\u00e7\u00f5es.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Overview_of_Rogers_4350B\"><\/span>Vis\u00e3o geral do Rogers 4350B<span class=\"ez-toc-section-end\"><\/span><\/h2><p>O Rogers 4350B \u00e9 um dos laminados de RF mais frequentemente especificados a n\u00edvel mundial.<\/p><p>As propriedades t\u00edpicas dos materiais incluem:<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Im\u00f3veis<\/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>Condutividade t\u00e9rmica<\/td><td>0,69 W\/m\u00b7K<\/td><\/tr><tr><td>TG<\/td><td>&gt;280 \u00b0C<\/td><\/tr><tr><td>Absor\u00e7\u00e3o de humidade<\/td><td>Baixa<\/td><\/tr><\/tbody><\/table><\/figure><p>As principais vantagens incluem:<\/p><ul class=\"wp-block-list\"><li>Excelente estabilidade dimensional<\/li>\n\n<li>Bom desempenho t\u00e9rmico<\/li>\n\n<li>Desempenho fi\u00e1vel dos orif\u00edcios metalizados<\/li>\n\n<li>Ampla aceita\u00e7\u00e3o no setor<\/li><\/ul><p>Devido \u00e0s suas caracter\u00edsticas equilibradas, o Rogers 4350B \u00e9 frequentemente utilizado em produtos de RF, tanto comerciais como industriais.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Overview_of_Rogers_4003C\"><\/span>Vis\u00e3o geral do Rogers 4003C<span class=\"ez-toc-section-end\"><\/span><\/h2><p>O Rogers 4003C \u00e9 outro laminado cer\u00e2mico \u00e0 base de hidrocarbonetos concebido para aplica\u00e7\u00f5es de RF e micro-ondas.<\/p><p>As caracter\u00edsticas t\u00edpicas incluem:<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Im\u00f3veis<\/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>Condutividade t\u00e9rmica<\/td><td>0,71 W\/m\u00b7K<\/td><\/tr><tr><td>Absor\u00e7\u00e3o de humidade<\/td><td>Baixa<\/td><\/tr><tr><td>Compatibilidade de processos<\/td><td>Excelente<\/td><\/tr><\/tbody><\/table><\/figure><p>A sua menor perda diel\u00e9trica torna-o uma op\u00e7\u00e3o atraente para projetos que funcionam a frequ\u00eancias mais elevadas ou que exigem percursos de transmiss\u00e3o de RF mais longos.<\/p><p>O Rogers 4003C \u00e9 amplamente utilizado em:<\/p><ul class=\"wp-block-list\"><li>Sistemas de comunica\u00e7\u00e3o sem fios<\/li>\n\n<li>M\u00f3dulos RF<\/li>\n\n<li>Projetos de antenas<\/li>\n\n<li>Circuitos de micro-ondas<\/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=\"Compara\u00e7\u00e3o entre o Rogers 4350B e o 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>Compara\u00e7\u00e3o do desempenho el\u00e9trico<span class=\"ez-toc-section-end\"><\/span><\/h2><p>As caracter\u00edsticas el\u00e9tricas s\u00e3o, muitas vezes, a principal raz\u00e3o pela qual os engenheiros optam por um material em detrimento de outro.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Dielectric_Constant\"><\/span>Constante diel\u00e9ctrica<span class=\"ez-toc-section-end\"><\/span><\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Material<\/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>A diferen\u00e7a \u00e9 relativamente pequena.<\/p><p>Na maioria dos projetos pr\u00e1ticos, ambos os materiais permitem um excelente controlo da imped\u00e2ncia e um comportamento previs\u00edvel do sinal.<\/p><p>Conforme discutido em <strong><a href=\"https:\/\/www.topfastpcb.com\/pt\/blog\/dk-and-df-values-in-pcb-materials\/\">Valores de Dk e Df nos materiais de PCB<\/a><\/strong>, as propriedades diel\u00e9tricas est\u00e1veis s\u00e3o, muitas vezes, mais importantes do que o pr\u00f3prio valor exato de Dk.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Dissipation_Factor\"><\/span>Fator de dissipa\u00e7\u00e3o<span class=\"ez-toc-section-end\"><\/span><\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Material<\/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>O Rogers 4003C apresenta uma perda diel\u00e9trica ligeiramente inferior.<\/p><p>Para aplica\u00e7\u00f5es que envolvam:<\/p><ul class=\"wp-block-list\"><li>Frequ\u00eancias mais elevadas<\/li>\n\n<li>Linhas de transmiss\u00e3o mais longas<\/li>\n\n<li>Requisitos de RF mais exigentes<\/li><\/ul><p>esta vantagem pode tornar-se significativa.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Thermal_Performance\"><\/span>Desempenho t\u00e9rmico<span class=\"ez-toc-section-end\"><\/span><\/h2><p>A estabilidade t\u00e9rmica \u00e9 outro aspeto importante a ter em conta.<\/p><p>Ambos os materiais apresentam um desempenho significativamente superior ao dos sistemas FR4 convencionais.<\/p><p>As vantagens incluem:<\/p><ul class=\"wp-block-list\"><li>Maior estabilidade dimensional<\/li>\n\n<li>Maior fiabilidade em ciclos t\u00e9rmicos<\/li>\n\n<li>Expans\u00e3o reduzida durante a montagem<\/li><\/ul><p>Para os engenheiros que est\u00e3o a fazer a transi\u00e7\u00e3o dos laminados convencionais, as diferen\u00e7as tornam-se mais evidentes em estruturas multicamadas complexas.<\/p><p>Quem trabalha com materiais convencionais pode beneficiar de consultar <strong><a href=\"https:\/\/www.topfastpcb.com\/pt\/blog\/high-tg-fr4-pcb\/\">PCB FR4 com elevado TG<\/a><\/strong> para compreender de que forma o desempenho t\u00e9rmico afeta a fiabilidade.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Manufacturing_Considerations\"><\/span>Considera\u00e7\u00f5es sobre a fabrica\u00e7\u00e3o<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Uma das raz\u00f5es pelas quais a fam\u00edlia RO4000 continua a ser popular \u00e9 a sua compatibilidade de fabrico.<\/p><p>Em compara\u00e7\u00e3o com os laminados de PTFE:<\/p><ul class=\"wp-block-list\"><li>A perfura\u00e7\u00e3o \u00e9 mais f\u00e1cil<\/li>\n\n<li>A lamina\u00e7\u00e3o \u00e9 mais simples<\/li>\n\n<li>A ader\u00eancia ao cobre \u00e9 excelente<\/li>\n\n<li>Os custos de fabrico s\u00e3o, em geral, mais baixos<\/li><\/ul><p>Muitos fabricantes de placas de circuito impresso (PCB) processam os materiais Rogers 4350B e 4003C utilizando equipamento semelhante ao utilizado na produ\u00e7\u00e3o de FR4.<\/p><p>Isto reduz a complexidade do processo de fabrico e contribui para encurtar os prazos de entrega.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Applications_for_Rogers_4350B\"><\/span>Aplica\u00e7\u00f5es do Rogers 4350B<span class=\"ez-toc-section-end\"><\/span><\/h2><p>O Rogers 4350B \u00e9 frequentemente escolhido para:<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Power_Amplifiers\"><\/span>Amplificadores de pot\u00eancia<span class=\"ez-toc-section-end\"><\/span><\/h3><p>A sua estabilidade t\u00e9rmica torna-o adequado para aplica\u00e7\u00f5es de pot\u00eancia de RF.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Base_Station_Equipment\"><\/span>Equipamento da esta\u00e7\u00e3o de base<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Os produtos de infraestrutura sem fios utilizam frequentemente o 4350B para garantir um desempenho de RF fi\u00e1vel.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Automotive_Radar\"><\/span>Radar autom\u00f3vel<span class=\"ez-toc-section-end\"><\/span><\/h3><p>O material apresenta um bom desempenho em sistemas de radar e de assist\u00eancia avan\u00e7ada ao condutor.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mixed_RF_and_Digital_Designs\"><\/span>Projetos mistos de RF e digitais<span class=\"ez-toc-section-end\"><\/span><\/h3><p>A sua flexibilidade de fabrico torna-o atraente para configura\u00e7\u00f5es h\u00edbridas.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Applications_for_Rogers_4003C\"><\/span>Aplica\u00e7\u00f5es do Rogers 4003C<span class=\"ez-toc-section-end\"><\/span><\/h2><p>O Rogers 4003C \u00e9 frequentemente encontrado em:<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Microwave_Communication_Systems\"><\/span>Sistemas de comunica\u00e7\u00e3o por micro-ondas<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Uma menor perda diel\u00e9trica contribui para uma melhor transmiss\u00e3o do sinal.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Antenna_Circuits\"><\/span>Circuitos de antena<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Caracter\u00edsticas el\u00e9tricas est\u00e1veis ajudam a manter um comportamento previs\u00edvel da antena.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Satellite_Communication_Equipment\"><\/span>Equipamento de comunica\u00e7\u00e3o por sat\u00e9lite<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Um baixo n\u00edvel de perdas e um desempenho de RF fi\u00e1vel s\u00e3o importantes em ambientes aeroespaciais.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Precision_RF_Modules\"><\/span>M\u00f3dulos de RF de precis\u00e3o<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Muitos m\u00f3dulos de front-end de RF utilizam o 4003C para minimizar a atenua\u00e7\u00e3o do sinal.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hybrid_Stackups_with_FR4\"><\/span>Conjuntos h\u00edbridos com FR4<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Em muitos produtos, apenas uma parte da placa de circuito impresso (PCB) requer materiais de qualidade RF.<\/p><p>Os designers criam frequentemente configura\u00e7\u00f5es h\u00edbridas que combinam:<\/p><ul class=\"wp-block-list\"><li>Rogers 4350B ou 4003C<\/li>\n\n<li>N\u00facleos de FR4<\/li>\n\n<li>Prepregs padr\u00e3o<\/li><\/ul><p>Esta abordagem oferece:<\/p><ul class=\"wp-block-list\"><li>Custo mais baixo dos materiais<\/li>\n\n<li>Fabrico simplificado<\/li>\n\n<li>Melhor rentabilidade global do projeto<\/li><\/ul><p>As constru\u00e7\u00f5es h\u00edbridas s\u00e3o frequentemente utilizadas em produtos de comunica\u00e7\u00e3o que incluem circuitos de RF e digitais.<\/p><p>Para mais informa\u00e7\u00f5es sobre a constru\u00e7\u00e3o em camadas, consulte <strong><a href=\"https:\/\/www.topfastpcb.com\/pt\/blog\/pcb-core-and-prepreg\/\">Materiais para n\u00facleos e pr\u00e9-impregnados de PCB<\/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=\"Compara\u00e7\u00e3o entre o Rogers 4350B e o 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>Que material deve escolher?<span class=\"ez-toc-section-end\"><\/span><\/h2><p>A resposta depende das prioridades de conce\u00e7\u00e3o.<\/p><p>O Rogers 4350B \u00e9 frequentemente escolhido quando:<\/p><ul class=\"wp-block-list\"><li>A estabilidade t\u00e9rmica \u00e9 importante<\/li>\n\n<li>\u00c9 desej\u00e1vel que haja flexibilidade na produ\u00e7\u00e3o<\/li>\n\n<li>\u00c9 prefer\u00edvel que a ado\u00e7\u00e3o tenha sido comprovada no setor<\/li><\/ul><p>O Rogers 4003C \u00e9 frequentemente escolhido quando:<\/p><ul class=\"wp-block-list\"><li>\u00c9 necess\u00e1ria uma menor perda diel\u00e9trica<\/li>\n\n<li>O desempenho de RF \u00e9 o objetivo principal<\/li>\n\n<li>A atenua\u00e7\u00e3o do sinal deve ser minimizada<\/li><\/ul><p>Em muitos casos, qualquer um dos materiais pode satisfazer com sucesso os requisitos do projeto.<\/p><p>A decis\u00e3o final \u00e9 frequentemente influenciada por:<\/p><ul class=\"wp-block-list\"><li>Gama de frequ\u00eancias<\/li>\n\n<li>Requisitos de empilhamento<\/li>\n\n<li>Disponibilidade<\/li>\n\n<li>Objectivos de custos<\/li>\n\n<li>Prefer\u00eancias de fabrico<\/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\">P: Qual \u00e9 a diferen\u00e7a entre o Rogers 4350B e o Rogers 4003C?<\/strong> <p class=\"schema-faq-answer\">R: As principais diferen\u00e7as s\u00e3o a constante diel\u00e9trica e o fator de dissipa\u00e7\u00e3o. O Rogers 4003C apresenta perdas ligeiramente inferiores, enquanto o Rogers 4350B \u00e9 frequentemente preferido pela sua estabilidade t\u00e9rmica e pela sua ampla ado\u00e7\u00e3o na ind\u00fastria.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782374251597\"><strong class=\"schema-faq-question\">P: Qual \u00e9 o material que apresenta menor perda diel\u00e9trica?<\/strong> <p class=\"schema-faq-answer\">R: O Rogers 4003C tem, em geral, um fator de dissipa\u00e7\u00e3o inferior ao do Rogers 4350B.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782374261779\"><strong class=\"schema-faq-question\">P: O Rogers 4350B \u00e9 adequado para aplica\u00e7\u00f5es de micro-ondas?<\/strong> <p class=\"schema-faq-answer\">R: Sim. O Rogers 4350B \u00e9 amplamente utilizado em circuitos de RF e micro-ondas, incluindo antenas, amplificadores e infraestruturas sem fios.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782374333871\"><strong class=\"schema-faq-question\">P: O Rogers 4003C pode substituir o Rogers 4350B?<\/strong> <p class=\"schema-faq-answer\">R: Em muitas aplica\u00e7\u00f5es, sim. No entanto, a decis\u00e3o final deve basear-se nos requisitos el\u00e9tricos, t\u00e9rmicos e de fabrico.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782374348970\"><strong class=\"schema-faq-question\">P: Ambos os materiais s\u00e3o melhores do que o FR4 para circuitos de RF?<\/strong> <p class=\"schema-faq-answer\">R: Sim. Ambos os materiais apresentam uma perda diel\u00e9trica mais baixa e propriedades el\u00e9tricas mais est\u00e1veis do que o FR4 padr\u00e3o.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>O Rogers 4350B e o Rogers 4003C s\u00e3o dois dos materiais laminados de RF mais utilizados no fabrico de placas de circuito impresso (PCB). Ambos proporcionam um excelente desempenho em altas frequ\u00eancias, baixa perda diel\u00e9trica e fiabilidade na fabrica\u00e7\u00e3o. Embora o Rogers 4003C ofere\u00e7a uma perda ligeiramente inferior, o Rogers 4350B \u00e9 frequentemente escolhido pela sua estabilidade t\u00e9rmica e ampla aceita\u00e7\u00e3o na ind\u00fastria. Compreender as suas diferen\u00e7as ajuda os engenheiros a selecionar o material mais adequado para aplica\u00e7\u00f5es de RF, micro-ondas e comunica\u00e7\u00f5es.<\/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, 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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. 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Rogers 4350B is widely used in RF and microwave circuits, including antennas, amplifiers, and wireless infrastructure.\",\"inLanguage\":\"pt-PT\"},\"inLanguage\":\"pt-PT\"},{\"@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\":\"pt-PT\"},\"inLanguage\":\"pt-PT\"},{\"@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\":\"pt-PT\"},\"inLanguage\":\"pt-PT\"}]}<\/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\/pt\/blog\/rogers-4350b-vs-4003c\/","og_locale":"pt_PT","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":"pt-PT"},"inLanguage":"pt-PT"},{"@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":"pt-PT"},"inLanguage":"pt-PT"},{"@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":"pt-PT"},"inLanguage":"pt-PT"},{"@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":"pt-PT"},"inLanguage":"pt-PT"},{"@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":"pt-PT"},"inLanguage":"pt-PT"}]}},"_links":{"self":[{"href":"https:\/\/www.topfastpcb.com\/pt\/wp-json\/wp\/v2\/posts\/5956","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.topfastpcb.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.topfastpcb.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/pt\/wp-json\/wp\/v2\/comments?post=5956"}],"version-history":[{"count":1,"href":"https:\/\/www.topfastpcb.com\/pt\/wp-json\/wp\/v2\/posts\/5956\/revisions"}],"predecessor-version":[{"id":5961,"href":"https:\/\/www.topfastpcb.com\/pt\/wp-json\/wp\/v2\/posts\/5956\/revisions\/5961"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/pt\/wp-json\/wp\/v2\/media\/5960"}],"wp:attachment":[{"href":"https:\/\/www.topfastpcb.com\/pt\/wp-json\/wp\/v2\/media?parent=5956"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.topfastpcb.com\/pt\/wp-json\/wp\/v2\/categories?post=5956"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.topfastpcb.com\/pt\/wp-json\/wp\/v2\/tags?post=5956"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}