Rogers RO3003 PCB

Rogers RO3003 PCB: material data and model assumptions

Values above are material references, not guaranteed finished-board performance. Consult the linked manufacturer document and confirm its revision for procurement. Source review: 24 September 2026.

Engineering decisions for Rogers RO3003 PCB

Where RO3003 earns its place

Start an RO3003 stackup with the electrical requirement: operating band, allowable insertion loss, phase error and impedance tolerance. Antenna feeds, filters and microwave interconnects can place very different demands on the same laminate. A short feed may be governed by launch geometry; a long phased network may be governed by accumulated phase error. Define the requirement before choosing the core thickness. Record the material data revision used in simulation so the purchasing description and electromagnetic model remain connected.

Copper and geometry are part of the material decision

Specify copper construction alongside dielectric thickness. Two boards with the same RO3003 core can have different conductor losses when foil surface texture, finished copper thickness or plated trace geometry changes. For a narrowband filter, compare the expected response shift from etch and thickness variation with the available tuning margin. For a longer feed network, evaluate attenuation over the complete route. Laminate loss tangent is one input to that analysis; it is not a finished-board insertion-loss guarantee.

RO3003 versus RO3003G2

Keep RO3003 and RO3003G2 separate in drawings, quotations and simulation libraries. Similar names and matching nominal process Dk do not authorize substitution. The G2 datasheet gives a design Dk of 3.07 at 77 GHz and a Df of 0.0011 at 10 GHz; those values belong to G2. If a different construction is proposed for a qualified radar or antenna design, review phase response, impedance and insertion loss before accepting it. An explicit substitution review prevents a purchasing change from becoming an unexpected redesign.

Hybrid construction and first-article evidence

For a hybrid assembly, define where RO3003 provides measurable value and where supporting circuitry can use another qualified construction. Review the bonding system, layer symmetry, finished thickness and interconnect arrangement before routing is complete. Ask which measurements will accompany the first article and distinguish dimensional inspection from RF characterization. If circuit behavior depends on a transition between layers, include that transition in the verification structure instead of validating only a straight transmission line on an isolated core.

Real RF board references

The following photographs are from the RFPCB site archive. They show manufactured RF structures and hybrid boards. They are visual manufacturing references, not proof that every pictured board uses the material discussed on this page.

Rogers RO3003 PCB design and cost tools

Adjust assumptions, compare scenarios and build a clear enquiry. Calculations run in your browser. Grade presets only change the Dk input; they do not set material prices, certify a construction or select a manufacturing process.

Design workflow: from Dk to a manufacturable line

Begin with the distance from the RF trace to its reference plane, not the total finished-board thickness. Enter that dielectric height in millimetres and choose the dielectric constant appropriate to the confirmed material model. In target mode, the calculator solves a width for the requested impedance. In analysis mode, it estimates impedance from a width you enter. Change one assumption at a time to understand which dimensions are sensitive before committing the layout.

The solver uses a zero-copper-thickness Hammerstad–Jensen quasi-static microstrip approximation. It represents an isolated, uncoated trace over a continuous ground plane. It does not include solder mask, finite copper thickness, roughness, frequency dispersion, neighboring traces, coplanar grounds, via fences or connector launches. Frequency changes the wavelength output, while this model’s impedance remains quasi-static. A production field solver and a fabricator-approved stackup are needed for final controlled-impedance dimensions.

Use the delay and quarter-wavelength outputs as early electrical-length estimates. They do not replace a filter or antenna simulation. Resonant structures also respond to discontinuities, fringing fields, enclosure proximity and fabrication tolerance. For a sensitivity check, vary dielectric height and Dk over the confirmed tolerances and compare the resulting trace widths. Keep those ranges with the drawing instead of reporting a calculated width with unrealistic manufacturing precision.

Plan the stackup as a complete construction

The thickness planner adds the total selected RF dielectric, all other pressed dielectrics and equal copper thickness for each layer. Enter every core, bondply and prepreg contribution exactly once. For two copper layers, the model uses only the RF dielectric and copper. The output excludes solder mask and surface finish. It is a nominal arithmetic budget, not a prediction of resin flow, press shrinkage or an approved multilayer construction.

Before fabrication, ask for the actual layer sequence, material identifiers, pressed dielectric thicknesses, copper weights and tolerances. Review whether reference planes remain continuous beneath critical routes. Identify any blind, buried or through-hole transitions that need separate electrical or reliability evaluation. A total thickness that fits a connector does not by itself establish impedance, bond compatibility or layer balance. Review those requirements together with the proposed manufacturing process.

Cost and quotation: expose the assumptions

A useful early budget shows what drives the number. Board outline, usable panel size, spacing, ordered quantity and expected yield determine how many full panels the example allocates. The calculator compares a uniform zero-degree layout with a uniform ninety-degree layout and uses the better result. It does not perform mixed-orientation nesting, optimize irregular outlines or reserve tooling rails and coupons automatically. Enter the usable area after those manufacturing reservations.

Material cost is the amount allocated to all laminate in one usable panel. Fabrication cost applies to every board position started on the allocated panels, while testing cost applies to the ordered quantity. Setup is added once. These assumptions deliberately remain visible and editable. The displayed dollar figure is a scenario based on your inputs, not a live supplier price, availability statement or purchasing commitment. Shipping, taxes and assembly are excluded.

For a fair quotation comparison, hold the material grade, foil, stackup, finish, quantity, tolerances and tests constant. A low unit price may cover a different inspection plan or construction. Record any acceptable alternatives explicitly and request approval before substitution. Compare prototype and production quantities separately because setup allocation and panel utilization can change the effective unit cost. Enter confirmed supplier rates when available and rebuild the summary after changing the design.

What a complete RFQ should include

Send the fabrication data, NC drill, board outline and revision together with a layer-by-layer stackup. Include the manufacturer and exact laminate grade, dielectric thickness and tolerance, copper type, finished copper, finish and material substitution restrictions. Identify controlled-impedance nets and target tolerances. State whether the project also needs insertion loss, return loss, phase or other RF acceptance measurements, because these are separate deliverables with their own fixtures and coupons.

Specify the order quantity, panel preferences, delivery destination and required schedule. If the design is still evolving, identify which dimensions or materials remain open to engineering review. The summary button below collects valid calculator scenarios into editable text; it does not transmit your design or submit an order. Review that text, attach the actual manufacturing package and use the quotation form for a build-specific response.

Rogers RO3003 PCB questions

Compare related material choices

Continue the selection using the pages most relevant to the alternative construction: RT/duroid 5880 PCB, PTFE / Teflon PCB, RF PCB Material Selection Guide. For thermoset RF alternatives, review RO4003C PCB and RO4350B PCB with their own design data and manufacturing requirements.

Material sources and scope

• Rogers RO3003 product page
• Rogers RO3000 series datasheet, 2024 revision
• Rogers RO3003G2 separate-grade datasheet

Manufacturer references support the material facts above. Engineering guidance and calculator scenarios are preliminary aids. No stock, lead time, certification, substitution or RF acceptance result is implied by the illustrations or example calculations.