{"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\/sv\/blog\/rogers-4350b-vs-4003c\/","title":{"rendered":"J\u00e4mf\u00f6relse mellan Rogers 4350B och Rogers 4003C"},"content":{"rendered":"<p>Rogers 4350B och Rogers 4003C h\u00f6r till de mest anv\u00e4nda h\u00f6gfrekventa kretskortmaterialen inom elektronikindustrin. B\u00e5da ing\u00e5r i Rogers RO4000-serien och v\u00e4ljs ofta f\u00f6r till\u00e4mpningar inom RF, mikrov\u00e5gor, tr\u00e5dl\u00f6s kommunikation, rymdteknik och n\u00e4tverk.<\/p><p>Eftersom deras elektriska egenskaper ligger relativt n\u00e4ra varandra j\u00e4mf\u00f6r ingenj\u00f6rer ofta dessa tv\u00e5 material n\u00e4r de utv\u00e4rderar prestanda, tillverkningsbarhet och projektets totala kostnad.<\/p><p>\u00c4ven om de har m\u00e5nga likheter finns det viktiga skillnader som kan p\u00e5verka valet av 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=\"J\u00e4mf\u00f6relse mellan Rogers 4350B och 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\">Inneh\u00e5llsf\u00f6rteckning<\/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\/sv\/blog\/rogers-4350b-vs-4003c\/#Understanding_the_RO4000_Series\" >Att f\u00f6rst\u00e5 RO4000-serien<\/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\/sv\/blog\/rogers-4350b-vs-4003c\/#Overview_of_Rogers_4350B\" >\u00d6versikt \u00f6ver 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\/sv\/blog\/rogers-4350b-vs-4003c\/#Overview_of_Rogers_4003C\" >\u00d6versikt \u00f6ver 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\/sv\/blog\/rogers-4350b-vs-4003c\/#Electrical_Performance_Comparison\" >J\u00e4mf\u00f6relse av elektriska prestanda<\/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\/sv\/blog\/rogers-4350b-vs-4003c\/#Dielectric_Constant\" >Dielektrisk konstant<\/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\/sv\/blog\/rogers-4350b-vs-4003c\/#Dissipation_Factor\" >Dissipationsfaktor<\/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\/sv\/blog\/rogers-4350b-vs-4003c\/#Thermal_Performance\" >Termisk prestanda<\/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\/sv\/blog\/rogers-4350b-vs-4003c\/#Manufacturing_Considerations\" >Tillverkningsaspekter<\/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\/sv\/blog\/rogers-4350b-vs-4003c\/#Applications_for_Rogers_4350B\" >Anv\u00e4ndningsomr\u00e5den f\u00f6r 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\/sv\/blog\/rogers-4350b-vs-4003c\/#Power_Amplifiers\" >Effektf\u00f6rst\u00e4rkare<\/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\/sv\/blog\/rogers-4350b-vs-4003c\/#Base_Station_Equipment\" >Utrustning f\u00f6r basstationer<\/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\/sv\/blog\/rogers-4350b-vs-4003c\/#Automotive_Radar\" >Radar f\u00f6r bilar<\/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\/sv\/blog\/rogers-4350b-vs-4003c\/#Mixed_RF_and_Digital_Designs\" >Kombinerade RF- och digitala konstruktioner<\/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\/sv\/blog\/rogers-4350b-vs-4003c\/#Applications_for_Rogers_4003C\" >Anv\u00e4ndningsomr\u00e5den f\u00f6r 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\/sv\/blog\/rogers-4350b-vs-4003c\/#Microwave_Communication_Systems\" >Mikrov\u00e5gskommunikationssystem<\/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\/sv\/blog\/rogers-4350b-vs-4003c\/#Antenna_Circuits\" >Antennkretsar<\/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\/sv\/blog\/rogers-4350b-vs-4003c\/#Satellite_Communication_Equipment\" >Utrustning f\u00f6r satellitkommunikation<\/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\/sv\/blog\/rogers-4350b-vs-4003c\/#Precision_RF_Modules\" >H\u00f6gprecisions-RF-moduler<\/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\/sv\/blog\/rogers-4350b-vs-4003c\/#Hybrid_Stackups_with_FR4\" >Hybridkonstruktioner med 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\/sv\/blog\/rogers-4350b-vs-4003c\/#Which_Material_Should_You_Choose\" >Vilket material ska du v\u00e4lja?<\/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\/sv\/blog\/rogers-4350b-vs-4003c\/#FAQ\" >VANLIGA FR\u00c5GOR<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Understanding_the_RO4000_Series\"><\/span>Att f\u00f6rst\u00e5 RO4000-serien<span class=\"ez-toc-section-end\"><\/span><\/h2><p>RO4000-serien har utvecklats f\u00f6r att \u00f6verbrygga klyftan mellan konventionella FR4-material och PTFE-baserade RF-laminat.<\/p><p>J\u00e4mf\u00f6rt med PTFE-material erbjuder RO4000-serien f\u00f6ljande:<\/p><ul class=\"wp-block-list\"><li>Enklare tillverkning<\/li>\n\n<li>F\u00f6rb\u00e4ttrad dimensionsstabilitet<\/li>\n\n<li>B\u00e4ttre kompatibilitet med tillverkningsprocessen<\/li>\n\n<li>Minskad komplexitet i bearbetningen<\/li><\/ul><p>J\u00e4mf\u00f6rt med standard-FR4 erbjuder RO4000-material f\u00f6ljande:<\/p><ul class=\"wp-block-list\"><li>L\u00e4gre dielektrisk f\u00f6rlust<\/li>\n\n<li>Mer stabila dielektriska egenskaper<\/li>\n\n<li>B\u00e4ttre prestanda f\u00f6r h\u00f6gfrekventa frekvenser<\/li><\/ul><p>L\u00e4sare som inte \u00e4r bekanta med Rogers produktfamilj kan b\u00f6rja med att ta del av <strong><a href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/rogers-pcb-material\/\">Rogers kretskortmaterial<\/a><\/strong> f\u00f6r ytterligare bakgrundsinformation.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Overview_of_Rogers_4350B\"><\/span>\u00d6versikt \u00f6ver Rogers 4350B<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Rogers 4350B \u00e4r ett av de RF-laminat som oftast specificeras v\u00e4rlden \u00f6ver.<\/p><p>Typiska materialegenskaper \u00e4r bland annat:<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Fastighet<\/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>Termisk konduktivitet<\/td><td>0,69 W\/m\u00b7K<\/td><\/tr><tr><td>TG<\/td><td>&gt;280 \u00b0C<\/td><\/tr><tr><td>Fuktabsorption<\/td><td>L\u00e5g<\/td><\/tr><\/tbody><\/table><\/figure><p>Viktiga f\u00f6rdelar \u00e4r bland annat:<\/p><ul class=\"wp-block-list\"><li>Utm\u00e4rkt dimensionsstabilitet<\/li>\n\n<li>Bra v\u00e4rmeprestanda<\/li>\n\n<li>P\u00e5litlig prestanda f\u00f6r genomborrade h\u00e5l med pl\u00e4tering<\/li>\n\n<li>Bred acceptans inom branschen<\/li><\/ul><p>Tack vare sina v\u00e4lbalanserade egenskaper anv\u00e4nds Rogers 4350B ofta i b\u00e5de kommersiella och industriella RF-produkter.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Overview_of_Rogers_4003C\"><\/span>\u00d6versikt \u00f6ver Rogers 4003C<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Rogers 4003C \u00e4r ett annat laminat av kolv\u00e4tekeramik som \u00e4r avsett f\u00f6r RF- och mikrov\u00e5gsapplikationer.<\/p><p>Typiska egenskaper \u00e4r bland annat:<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Fastighet<\/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>Termisk konduktivitet<\/td><td>0,71 W\/m\u00b7K<\/td><\/tr><tr><td>Fuktabsorption<\/td><td>L\u00e5g<\/td><\/tr><tr><td>Processkompatibilitet<\/td><td>Utm\u00e4rkt<\/td><\/tr><\/tbody><\/table><\/figure><p>Tack vare den l\u00e4gre dielektriska f\u00f6rlusten \u00e4r den ett attraktivt val f\u00f6r konstruktioner som arbetar vid h\u00f6gre frekvenser eller som kr\u00e4ver l\u00e4ngre RF-\u00f6verf\u00f6ringsv\u00e4gar.<\/p><p>Rogers 4003C anv\u00e4nds ofta inom:<\/p><ul class=\"wp-block-list\"><li>Tr\u00e5dl\u00f6sa kommunikationssystem<\/li>\n\n<li>RF-moduler<\/li>\n\n<li>Antennkonstruktioner<\/li>\n\n<li>Mikrov\u00e5gskretsar<\/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=\"J\u00e4mf\u00f6relse mellan Rogers 4350B och 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>J\u00e4mf\u00f6relse av elektriska prestanda<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Elektriska egenskaper \u00e4r ofta den fr\u00e4msta anledningen till att ingenj\u00f6rer v\u00e4ljer ett material framf\u00f6r ett annat.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Dielectric_Constant\"><\/span>Dielektrisk konstant<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>Skillnaden \u00e4r relativt liten.<\/p><p>I de flesta praktiska konstruktioner m\u00f6jligg\u00f6r b\u00e5da materialen utm\u00e4rkt impedansreglering och f\u00f6ruts\u00e4gbart signalbeteende.<\/p><p>Som diskuterats i <strong><a href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/dk-and-df-values-in-pcb-materials\/\">Dk- och Df-v\u00e4rden i PCB-material<\/a><\/strong>, \u00e4r stabila dielektriska egenskaper ofta viktigare \u00e4n sj\u00e4lva Dk-v\u00e4rdet.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Dissipation_Factor\"><\/span>Dissipationsfaktor<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>Rogers 4003C har n\u00e5got l\u00e4gre dielektrisk f\u00f6rlust.<\/p><p>F\u00f6r till\u00e4mpningar som r\u00f6r:<\/p><ul class=\"wp-block-list\"><li>H\u00f6gre frekvenser<\/li>\n\n<li>L\u00e4ngre \u00f6verf\u00f6ringsledningar<\/li>\n\n<li>Str\u00e4ngare krav p\u00e5 radiofrekvenser<\/li><\/ul><p>Denna f\u00f6rdel kan bli betydelsefull.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Thermal_Performance\"><\/span>Termisk prestanda<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Termisk stabilitet \u00e4r en annan viktig faktor att beakta.<\/p><p>B\u00e5da materialen presterar betydligt b\u00e4ttre \u00e4n konventionella FR4-system.<\/p><p>F\u00f6rdelarna inkluderar:<\/p><ul class=\"wp-block-list\"><li>F\u00f6rb\u00e4ttrad dimensionsstabilitet<\/li>\n\n<li>B\u00e4ttre tillf\u00f6rlitlighet vid termisk cykling<\/li>\n\n<li>Minskad expansion under monteringen<\/li><\/ul><p>F\u00f6r ingenj\u00f6rer som g\u00e5r \u00f6ver fr\u00e5n vanliga laminat blir skillnaderna tydligare i komplexa flerskiktsstrukturer.<\/p><p>De som arbetar med konventionella material kan ha nytta av att ta en titt p\u00e5 <strong><a href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/high-tg-fr4-pcb\/\">Kretskort av FR4 med h\u00f6gt TG-v\u00e4rde<\/a><\/strong> f\u00f6r att f\u00f6rst\u00e5 hur termisk prestanda p\u00e5verkar tillf\u00f6rlitligheten.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Manufacturing_Considerations\"><\/span>Tillverkningsaspekter<span class=\"ez-toc-section-end\"><\/span><\/h2><p>En anledning till att RO4000-serien fortfarande \u00e4r popul\u00e4r \u00e4r dess kompatibilitet i tillverkningsprocessen.<\/p><p>J\u00e4mf\u00f6rt med PTFE-laminat:<\/p><ul class=\"wp-block-list\"><li>Det \u00e4r l\u00e4ttare att borra<\/li>\n\n<li>Laminering \u00e4r enklare<\/li>\n\n<li>Kopparns vidh\u00e4ftning \u00e4r utm\u00e4rkt<\/li>\n\n<li>Tillverkningskostnaderna \u00e4r i allm\u00e4nhet l\u00e4gre<\/li><\/ul><p>M\u00e5nga tillverkare av kretskort bearbetar Rogers 4350B och 4003C med hj\u00e4lp av utrustning som liknar den som anv\u00e4nds vid tillverkning av FR4.<\/p><p>Detta minskar tillverkningskomplexiteten och bidrar till att f\u00f6rkorta ledtiderna.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Applications_for_Rogers_4350B\"><\/span>Anv\u00e4ndningsomr\u00e5den f\u00f6r Rogers 4350B<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Rogers 4350B v\u00e4ljs ofta f\u00f6r:<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Power_Amplifiers\"><\/span>Effektf\u00f6rst\u00e4rkare<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Tack vare sin termiska stabilitet \u00e4r den l\u00e4mplig f\u00f6r RF-effekttill\u00e4mpningar.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Base_Station_Equipment\"><\/span>Utrustning f\u00f6r basstationer<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Produkter f\u00f6r tr\u00e5dl\u00f6s infrastruktur anv\u00e4nder ofta 4350B f\u00f6r att uppn\u00e5 tillf\u00f6rlitlig RF-prestanda.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Automotive_Radar\"><\/span>Radar f\u00f6r bilar<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Materialet fungerar v\u00e4l i radar- och avancerade f\u00f6rarassistanssystem.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mixed_RF_and_Digital_Designs\"><\/span>Kombinerade RF- och digitala konstruktioner<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Dess tillverkningsflexibilitet g\u00f6r den attraktiv f\u00f6r hybridkonstruktioner.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Applications_for_Rogers_4003C\"><\/span>Anv\u00e4ndningsomr\u00e5den f\u00f6r Rogers 4003C<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Rogers 4003C f\u00f6rekommer ofta i:<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Microwave_Communication_Systems\"><\/span>Mikrov\u00e5gskommunikationssystem<span class=\"ez-toc-section-end\"><\/span><\/h3><p>L\u00e4gre dielektrisk f\u00f6rlust bidrar till f\u00f6rb\u00e4ttrad signal\u00f6verf\u00f6ring.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Antenna_Circuits\"><\/span>Antennkretsar<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Stabila elektriska egenskaper bidrar till att uppr\u00e4tth\u00e5lla ett f\u00f6ruts\u00e4gbart antennbeteende.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Satellite_Communication_Equipment\"><\/span>Utrustning f\u00f6r satellitkommunikation<span class=\"ez-toc-section-end\"><\/span><\/h3><p>L\u00e5ga f\u00f6rluster och tillf\u00f6rlitlig RF-prestanda \u00e4r viktiga faktorer i flyg- och rymdindustrin.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Precision_RF_Modules\"><\/span>H\u00f6gprecisions-RF-moduler<span class=\"ez-toc-section-end\"><\/span><\/h3><p>M\u00e5nga RF-frontendmoduler anv\u00e4nder 4003C f\u00f6r att minimera signald\u00e4mpningen.<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hybrid_Stackups_with_FR4\"><\/span>Hybridkonstruktioner med FR4<span class=\"ez-toc-section-end\"><\/span><\/h2><p>I m\u00e5nga produkter \u00e4r det endast en del av kretskortet som kr\u00e4ver material av RF-kvalitet.<\/p><p>Designers skapar ofta hybridkonstruktioner som kombinerar:<\/p><ul class=\"wp-block-list\"><li>Rogers 4350B eller 4003C<\/li>\n\n<li>FR4-k\u00e4rnor<\/li>\n\n<li>Standardprepreg<\/li><\/ul><p>Denna metod erbjuder:<\/p><ul class=\"wp-block-list\"><li>L\u00e4gre materialkostnad<\/li>\n\n<li>F\u00f6renklad tillverkning<\/li>\n\n<li>B\u00e4ttre totalekonomi f\u00f6r projektet<\/li><\/ul><p>Hybridkonstruktioner anv\u00e4nds ofta i kommunikationsprodukter som inneh\u00e5ller b\u00e5de RF- och digitala kretsar.<\/p><p>F\u00f6r mer information om stapelkonstruktion, se <strong><a href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/pcb-core-and-prepreg\/\">K\u00e4rnmaterial och prepreg-material f\u00f6r kretskort<\/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=\"J\u00e4mf\u00f6relse mellan Rogers 4350B och 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>Vilket material ska du v\u00e4lja?<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Svaret beror p\u00e5 vilka prioriteringar man har n\u00e4r det g\u00e4ller utformningen.<\/p><p>Rogers 4350B v\u00e4ljs ofta n\u00e4r:<\/p><ul class=\"wp-block-list\"><li>Termisk stabilitet \u00e4r viktig<\/li>\n\n<li>Flexibilitet i tillverkningen \u00e4r \u00f6nskv\u00e4rt<\/li>\n\n<li>Erfarenhet av branschm\u00e4ssig till\u00e4mpning \u00e4r att f\u00f6redra<\/li><\/ul><p>Rogers 4003C v\u00e4ljs ofta n\u00e4r:<\/p><ul class=\"wp-block-list\"><li>Det kr\u00e4vs l\u00e4gre dielektrisk f\u00f6rlust<\/li>\n\n<li>RF-prestanda \u00e4r det fr\u00e4msta m\u00e5let<\/li>\n\n<li>Signald\u00e4mpningen m\u00e5ste minimeras<\/li><\/ul><p>I m\u00e5nga fall kan b\u00e5da materialen uppfylla projektkraven p\u00e5 ett tillfredsst\u00e4llande s\u00e4tt.<\/p><p>Det slutgiltiga beslutet p\u00e5verkas ofta av:<\/p><ul class=\"wp-block-list\"><li>Frekvensomr\u00e5de<\/li>\n\n<li>Krav p\u00e5 stapling<\/li>\n\n<li>Tillg\u00e4nglighet<\/li>\n\n<li>Kostnadsm\u00e5l<\/li>\n\n<li>Tillverkningspreferenser<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>VANLIGA FR\u00c5GOR<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\">Fr\u00e5ga: Vad \u00e4r skillnaden mellan Rogers 4350B och Rogers 4003C?<\/strong> <p class=\"schema-faq-answer\">S: De fr\u00e4msta skillnaderna \u00e4r dielektricitetskonstanten och f\u00f6rlustfaktorn. Rogers 4003C har n\u00e5got l\u00e4gre f\u00f6rluster, medan Rogers 4350B ofta f\u00f6redras p\u00e5 grund av sin termiska stabilitet och breda anv\u00e4ndning inom branschen.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782374251597\"><strong class=\"schema-faq-question\">Fr\u00e5ga: Vilket material har l\u00e4gre dielektrisk f\u00f6rlust?<\/strong> <p class=\"schema-faq-answer\">A: Rogers 4003C har i allm\u00e4nhet en l\u00e4gre f\u00f6rlustfaktor \u00e4n Rogers 4350B.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782374261779\"><strong class=\"schema-faq-question\">Fr\u00e5ga: \u00c4r Rogers 4350B l\u00e4mplig f\u00f6r mikrov\u00e5gsapplikationer?<\/strong> <p class=\"schema-faq-answer\">A: Ja. Rogers 4350B anv\u00e4nds i stor utstr\u00e4ckning i RF- och mikrov\u00e5gskretsar, bland annat i antenner, f\u00f6rst\u00e4rkare och tr\u00e5dl\u00f6s infrastruktur.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782374333871\"><strong class=\"schema-faq-question\">Fr\u00e5ga: Kan Rogers 4003C ers\u00e4tta Rogers 4350B?<\/strong> <p class=\"schema-faq-answer\">S: I m\u00e5nga till\u00e4mpningar, ja. Det slutgiltiga beslutet b\u00f6r dock baseras p\u00e5 elektriska, termiska och tillverkningsm\u00e4ssiga krav.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782374348970\"><strong class=\"schema-faq-question\">Fr\u00e5ga: \u00c4r b\u00e5da materialen b\u00e4ttre \u00e4n FR4 f\u00f6r RF-kretsar?<\/strong> <p class=\"schema-faq-answer\">A: Ja. B\u00e5da materialen har l\u00e4gre dielektrisk f\u00f6rlust och mer stabila elektriska egenskaper \u00e4n standard-FR4.<\/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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However, the final decision should be based on electrical, thermal, and manufacturing requirements.\",\"inLanguage\":\"sv-SE\"},\"inLanguage\":\"sv-SE\"},{\"@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\":\"sv-SE\"},\"inLanguage\":\"sv-SE\"}]}<\/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\/sv\/blog\/rogers-4350b-vs-4003c\/","og_locale":"sv_SE","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":"sv-SE"},"inLanguage":"sv-SE"},{"@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":"sv-SE"},"inLanguage":"sv-SE"},{"@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":"sv-SE"},"inLanguage":"sv-SE"},{"@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":"sv-SE"},"inLanguage":"sv-SE"},{"@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. 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