These comparisons explain the decisions behind commonly considered material pairs. The aim is to identify which constraints change your choice and which parts of a design must be revisited when the laminate changes.

Compare equivalent evidence

Check measurement method, frequency, temperature, material direction, thickness and foil before interpreting a difference. Process Dk and design Dk answer different questions. A material’s dissipation factor also does not describe the total insertion loss of a routed board.

Turn a shortlist into a decision

Start with Rogers materials versus FR4 if the material system is still open. For a defined pair, read its engineering comparison alongside the two grade records. Record your accepted stackup, test coupon and substitution restrictions in the RFQ builder.

Explore the compare library

comparisonRogers PCB vs FR4: Engineering ComparisonChoose a specific laminate and construction against a circuit budget.comparisonRO4003C vs RO4350B: Engineering ComparisonRO4003C and RO4350B are related thermoset RF laminate candidates, but they are not identical design inputs.comparisonRO4350B vs RO4835: Engineering ComparisonThe central reason to investigate RO4835 alongside RO4350B is long-term behavior in an oxidative thermal environment.comparisonRO3003 vs RO3003G2: Engineering ComparisonRO3003G2 is a distinct construction developed with millimeter-wave automotive radar needs in mind.comparisonRO3003 vs RT/duroid 5880: Engineering ComparisonRO3003 and RT/duroid 5880 are both PTFE-based RF candidates, but their filler systems and dielectric behavior lead to different circuit geometries.comparisonRT/duroid 5870 vs 5880: Engineering ComparisonRT/duroid 5870 and 5880 are related low-Dk PTFE laminate choices.comparisonRO4350B vs RT/duroid 5880: Engineering ComparisonThis is a material-system decision as well as an RF comparison.comparisonRO3006 vs RO3010: Engineering ComparisonBoth RO3006 and RO3010 invite investigation when a microwave circuit must become smaller.comparisonTMM 10 vs TMM 10i: Engineering ComparisonThe distinction between TMM 10 and TMM 10i includes dielectric behavior and isotropy, not a simple quality ranking.comparisonTC350 vs TC350 Plus: Engineering ComparisonTC350 and TC350 Plus should be compared as complete RF and thermal constructions.comparisonRO4450F vs RO4450T: Engineering ComparisonRO4450F and RO4450T are bonding materials whose selection influences the final multilayer structure.comparisonCLTE-AT vs CLTE-XT: Engineering ComparisonCLTE-AT and CLTE-XT are related reinforced PTFE candidates, but their suitability depends on the stability and fabrication demands of a specific RF stack.

A replacement is ready only when its electrical, manufacturing and acceptance differences are resolved.

Technical sources

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