Embracing the Potential of RT/duroid 5870: Advancing High-Frequency Applications
Welcome to our product spotlight! Today, we delve into the remarkable capabilities of RT/duroid 5870, a PTFE composite high-frequency laminate developed by Rogers. With its low dielectric constant, exceptional uniformity, and minimal losses, RT/duroid 5870 stands as a game-changer for high-frequency and broadband applications where dispersion and loss reduction are paramount.
Unmatched Features:
- Low Dielectric Constant (Dk): RT/duroid 5870 boasts a remarkable Dk of 2.33, with a tight tolerance of 0.02 at 10 GHz/23°C. This ensures precise control over signal propagation and impedance matching, enabling efficient high-frequency performance.
- Low Dissipation Factor: With a dissipation factor of 0.0012 at 10 GHz, RT/duroid 5870 exhibits minimal electrical losses, making it an ideal choice for applications demanding exceptional signal integrity and low insertion loss.
- Temperature Coefficient of Dielectric Constant (TCDk): RT/duroid 5870 showcases a TCDk of -115 ppm/°C, ensuring stable electrical performance across varying temperatures. This characteristic enhances reliability and consistency in diverse operating conditions.
- Moisture Resistance: With a moisture absorption rate of only 0.02%, RT/duroid 5870 excels in high-moisture environments, making it a reliable choice for applications exposed to challenging conditions.
- Isotropic Properties: RT/duroid 5870's isotropic nature ensures uniform electrical properties over a wide frequency range, enabling engineers to design complex circuits with confidence.
Benefits and Applications:
- Low Electrical Loss: RT/duroid 5870 offers the lowest electrical loss among reinforced PTFE materials, allowing for efficient signal transmission and reduced signal degradation.
- Ease of Processing: The laminate is easily cut, shaped, and machined, facilitating streamlined manufacturing processes and reducing production time.
- Chemical Resistance: RT/duroid 5870 exhibits resistance to solvents and reagents used in etching or plating operations, ensuring the integrity of edges and holes during fabrication.
- Well-Established Material: With a proven track record and widespread adoption, RT/duroid 5870 has gained recognition as a reliable and trusted material among engineers and designers.
- Diverse Applications: RT/duroid 5870 finds its applications in various fields, including commercial airline broadband antennas, microstrip and stripline circuits, millimeter-wave systems, radar systems, guidance systems, and point-to-point digital radio antennas.

RT/duroid 5870 by Rogers presents an exceptional solution for high-frequency and broadband applications, empowering engineers with its low dielectric constant, minimal losses, and uniform electrical properties. From commercial aviation to advanced radar systems, RT/duroid 5870 is poised to revolutionize the possibilities of high-frequency design. With its reliability, ease of processing, and extensive availability, RT/duroid 5870 serves as a catalyst for innovation in the world of high-frequency applications. Unleash the full potential of your designs with RT/duroid 5870! Contact us today to explore its capabilities and elevate your projects to new heights.