In the world of high-frequency electronics, signal integrity and low loss are not just requirements—they are the foundation of performance. The RT/duroid 5870 1.0mm 3oz Immersion Silver 6-Layer Rugged RF Circuit PCB from PCBSync is engineered to meet the rigorous demands of aerospace, telecommunications, and military-grade RF applications.
By combining Rogers’ industry-leading PTFE composite with a high-density 6-layer stackup and a premium Immersion Silver finish, this board delivers the stability and precision needed for Ku-band and millimeter-wave (mmWave) applications.
Core Technical Specifications
| Feature |
Specification |
| Base Material |
Rogers RT/duroid 5870 (Glass Microfiber Reinforced PTFE) |
| Dielectric Constant ($D_k$) |
$2.33 \pm 0.02$ at $10 \text{ GHz}$ |
| Dissipation Factor ($D_f$) |
$0.0012$ at $10 \text{ GHz}$ |
| Board Thickness |
$1.0\text{mm}$ |
| Copper Weight |
$3\text{oz}$ (Heavy Copper for Power Handling) |
| Surface Finish |
Immersion Silver (RoHS Compliant) |
| Layer Count |
6-Layer Multilayer Configuration |
Key Performance Benefits
1. Exceptional Signal Integrity and Low Loss
The RT/duroid 5870 laminate features randomly oriented microfibers that ensure exceptional dielectric constant uniformity. This nearly isotropic behavior means your signal experiences consistent impedance across the entire board, minimizing dispersion and phase shifts. With a dissipation factor as low as $0.0012$, this PCB is the gold standard for reducing electrical loss in broadband applications.
2. Advanced 6-Layer Stackup with 3oz Copper
While many RF boards are limited to double-sided designs, our 6-layer configuration allows for complex routing, dedicated ground planes for EMI shielding, and integrated power distribution. The 3oz copper weight provides superior thermal management and the ability to carry higher current loads without compromising the structural integrity of the traces.
3. Immersion Silver (ImAg) Surface Finish
Selected for its superior conductivity, the Immersion Silver finish provides a perfectly planar surface. This is critical for:
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Fine-Pitch Components: Ensuring reliable solder joints for high-pin-count BGAs and SMD components.
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Skin Effect Optimization: At high frequencies, current flows on the surface. Immersion Silver offers lower signal attenuation compared to ENIG, making it ideal for RF signals above $1\text{ GHz}$.
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Magnetic-Free Designs: Unlike finishes using nickel, silver is non-magnetic, preventing signal interference in sensitive radar or medical imaging equipment.
4. Ruggedized for Extreme Environments
Designed for “Failure is Not an Option” scenarios, this PCB boasts low moisture absorption (0.02%) and excellent chemical resistance. Whether it’s for commercial avionics, missile guidance systems, or point-to-point digital radio, the RT/duroid 5870 remains stable across wide temperature and humidity fluctuations.
Applications
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Radar Systems: Military and commercial weather radar.
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Satellite Communications: Low-noise blocks (LNB) and Ku-band transceivers.
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Aerospace & Defense: Missile guidance and electronic warfare (EW) modules.
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Advanced Networking: Base station antennas and 5G/6G prototyping.
Why Choose PCBSync?
At PCBSync, we understand that RF engineering requires more than just manufacturing; it requires precision. Every RT/duroid 5870 PCB undergoes rigorous quality control, including Impedance Control Testing and AOI (Automated Optical Inspection), ensuring your prototype or production run meets the exact specifications of your Gerber files.
Order your RT/duroid 5870 6-Layer PCB today and experience the PCBSync difference in high-speed reliability.
