High-Performance RF/Microwave PCB Laminate Material
Rogers 4003C is a premium thermoset ceramic-filled hydrocarbon/ceramic laminate engineered specifically for high-frequency and microwave applications where precise dielectric constant control is critical.
Key Dielectric Properties
Dielectric Constant (Dk):
- Nominal value: 3.38 ± 0.05 at 10 GHz
- Recommended design value: 3.55
- Stable across frequency range from 1 GHz to 10 GHz
- Tight tolerance of ±0.05 ensures consistent impedance control
Loss Characteristics:
- Loss tangent: 0.0027 at 10 GHz
- Remains below 0.005 up to 3 GHz
- Approximately 0.0035 at 5 GHz
Material Construction & Performance
Rogers 4003C features proprietary woven glass reinforced hydrocarbon/ceramics that deliver the electrical performance of PTFE/woven glass with the manufacturability of epoxy/glass. Available in both 1080 and 1674 glass fabric styles , all configurations meet identical electrical performance specifications.
Thermal Properties
- Thermal conductivity: 0.71 W/m/K in the z-axis
- Operating temperature: Continuous operation at 130°C with intermittent excursions to 150°C
- Coefficient of thermal expansion: 17 ppm/°C (X-Y), 32.5 ppm/°C (Z)
Manufacturing Advantages
- Utilizes standard epoxy/glass processing methods at a fraction of conventional microwave laminate costs
- No special through-hole treatments or handling procedures required
- Compatible with lead-free soldering processes up to 260°C
- Halogen-free composition for environmental compliance
Applications
Ideal for controlled impedance RF circuits, microwave frequencies, wireless communications, RADAR systems, medical equipment, test equipment, antenna systems, and IoT applications operating up to 3 GHz and beyond.
The stable dielectric constant of Rogers 4003C enables precision impedance control essential for high-frequency circuit designs while maintaining cost-effectiveness and manufacturing compatibility with standard PCB processes.




