High-speed connectivity and thermal stability are the cornerstones of modern automotive electronics. The RO4003C 6-Layer Connected Car Telematics PCB is a professional-grade solution engineered specifically for the rigorous demands of V2X (Vehicle-to-Everything) communication, autonomous driving modules, and advanced telematics control units (TCU).
This 6-layer stackup leverages the industry-leading Rogers 4003C hydrocarbon ceramic laminate, providing the electrical performance of PTFE with the ease of fabrication found in traditional FR-4 materials.
Core Technical Specifications
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Base Material: Rogers RO4003C (High-Frequency Laminate)
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Layer Count: 6-Layer Multilayer Stackup
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Board Thickness: 1.0mm (±10%)
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Copper Weight: 2oz Finished Copper (Outer Layers)
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Surface Finish: ENIG (Electroless Nickel Immersion Gold)
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Application: Telematics, V2X, Radar, and High-Speed Data Transmission
Key Features & Performance Benefits
1. Superior Signal Integrity with RO4003C
The use of RO4003C ensures a low dielectric constant ($D_k$) of 3.38 ± 0.05 and a low dissipation factor ($D_f$) of 0.0027 @ 10 GHz. This makes it the ideal substrate for connected car applications that operate in the microwave and RF spectrum. It minimizes signal loss and ensures that high-speed data packets are transmitted with near-zero distortion, even at gigahertz frequencies.
2. Enhanced Power Distribution (2oz Copper)
With a 2oz copper weight, this PCB is designed to handle higher current loads and provide superior thermal management. In the compact environment of a vehicle’s telematics housing, heat dissipation is critical. The thicker copper layers act as a heat sink, pulling thermal energy away from sensitive active components and preventing localized hotspots.
3. ENIG Surface Finish for Reliability
The ENIG (Electroless Nickel Immersion Gold) finish provides a perfectly flat surface, which is essential for the high-density SMT (Surface Mount Technology) components found in modern TCUs. ENIG offers excellent oxidation resistance and a long shelf life, ensuring that the solder joints remain robust against the constant vibrations and thermal cycling typical of automotive environments.
4. Optimized 6-Layer Stackup
The 6-layer architecture allows for dedicated ground and power planes. This configuration significantly reduces Electromagnetic Interference (EMI) and crosstalk, which is vital for “Connected Car” systems where multiple wireless protocols (GPS, 5G, Wi-Fi, and Bluetooth) must coexist without interference.
Why Choose This PCB for Automotive Telematics?
Automotive environments are unforgiving. From the freezing temperatures of winter to the intense heat under the dashboard, electronic components must maintain consistent impedance. RO4003C features a low Coefficient of Thermal Expansion (CTE) in the Z-axis, ensuring that plated through-holes (PTH) remain intact through thousands of thermal cycles.
This board is not just a component; it is the foundation for reliable, real-time vehicle diagnostics, fleet management systems, and safety-critical communication modules.
Order with PCBSync
At PCBSync, we specialize in high-frequency, high-reliability PCB fabrication. Our RO4003C 6-layer boards undergo 100% AOI (Automated Optical Inspection) and Flying Probe Testing to ensure every trace meets your exact impedance requirements.
Upgrade your automotive telematics project today with a substrate designed for the future of the road.
