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20 mil RO4003C PCB
20 mil RO4003C PCB

RT/duroid 5870 PCB 5mil: Unleashing High-Frequency Performance and Reliability

  • December 27. 2023

In the world of high-frequency laminates, Rogers RT/duroid 5870 5 mil PCB stands as a pioneering solution that combines exceptional performance with reliability. Powered by PTFE composites reinforced with glass microfibers, this cutting-edge PCB material offers low dielectric constant (Dk) with remarkable uniformity. Designed to minimize dispersion and losses, RT/duroid 5870 PCB is the ideal choice for high-frequency and broadband applications. In this comprehensive guide, we delve into the features, benefits, construction details, and applications of this remarkable PCB, providing valuable insights for engineers and designers seeking high-performance solutions.


Rogers 5870 PCB presents a range of features that set it apart in the realm of high-frequency laminates:

2.1 Dielectric Constant: With a Dk of 2.33 and a tight tolerance of 0.02 at 10 GHz and 23°C, duroid 5870high frequency PCBensures consistent signal integrity and precise performance.

2.2 Dissipation Factor: The impressively low dissipation factor of 0.0012 at 10 GHz minimizes signal loss, enabling efficient transmission in high-frequency applications.

2.3 Temperature Coefficient of Dielectric Constant (TCDk): RT/duroid 5870materialexhibits a TCDk of -115 ppm/°C, ensuring stability and predictable performance across varying temperature conditions.

2.4 Low Moisture Absorption: With a moisture absorption rate of only 0.02%, this laminate offers exceptional reliability in high-moisture environments, preventing performance degradation.

2.5 Coefficient of Thermal Expansion (CTE): Featuring an isotropic CTE, RT/duroid 5870 minimizes the risk of dimensional instability and ensures consistent performance in diverse operating conditions.

RT/duroid 5870 PCB 5mil


The utilization of RT/duroid 5870 5mil substrate PCB delivers numerous benefits for engineers and manufacturers:

3.1 Lowest Electrical Loss: Among reinforced PTFE materials, RT/duroid 5870 boasts the lowest electrical loss, making it a preferred choice for high-performance applications where signal integrity is paramount.

3.2 Ease of Manipulation: RT/duroid 5870 can be easily cut, shaped, and machined, providing flexibility and convenience during the manufacturing process.

3.3 Chemical Resistance: This laminate exhibits excellent resistance to solvents and reagents used in etching or plating processes, ensuring its durability and longevity.

3.4 Ideal for High Moisture Environments: With its low moisture absorption rate, RT/duroid 5870 remains stable and reliable even in challenging high-humidity conditions.

3.5 Well-Established Material: Rogers 5870 high frequency PCB has a proven track record and is widely recognized and trusted in the industry, providing assurance and peace of mind to engineers and manufacturers.

3.6 Uniform Electrical Properties: The laminate offers consistent electrical properties over a wide frequency range, ensuring reliable and predictable performance in demanding applications.

PCB Construction Details:

The Rogers RT/duroid 5870 PCB is a 2-layer rigid board with the following construction details:

Board Dimensions: The PCB measures 60.8mm x 60.8mm (1PCS) with a tight tolerance of +/- 0.15mm, ensuring precise dimensions.

Minimum Trace/Space: The minimum trace/space requirement is 4/4 mils, allowing for compact and intricate circuit designs.

Minimum Hole Size: The PCB supports a minimum hole size of 0.2mm, enabling the use of smaller and denser components.

Finished Board Thickness: The finished board thickness is 0.2mm, providing a slim and lightweight solution for space-constrained applications.

Finished Copper Weight: The outer layers of the PCB have a 1oz (1.4 mils) finished copper weight, ensuring optimal conductivity while maintaining a balanced design.

Via Plating Thickness: The via plating thickness is 20 μm, guaranteeing reliable electrical connections and signal integrity.

Surface Finish: The PCB features an immersion gold surface finish, providing excellent solderability, corrosion resistance, and a smooth surface for precise component placement.

Silkscreen and Solder Mask: The top side features white silkscreen, aiding component placement and identification. The PCB does not have a bottom silkscreen or solder mask.

Electrical Testing: Each PCB undergoes a 100% electrical test before shipment, ensuring that it meets the required specifications and performs reliably.

Rogers 5870 high frequency PCB

PCB Statistics

The RT/duroid 5870 PCB exhibits the following statistics:

Components: The PCB supports up to 8 components, facilitating the creation of complex circuits.

Total Pads: There are 19 pads in total, enabling the connection of various components and ensuring flexibility in design.

Thru Hole Pads: The PCB has 10 thru-hole pads, allowing for the integration of both surface mount and through-hole components.

Top SMT Pads: With 9 top surface mountpads, the PCB accommodates a range of surface mount components for efficient and space-saving designs.

Bottom SMT Pads: The PCB does not have any bottom surface mount pads, making it suitable for single-sided assembly or applications where components are only placed on the top side.

Vias: The PCB features 7 vias, enabling interconnection between different layers and facilitating signal routing.

Nets: The PCB supports 2 nets, providing the necessary connectivity for circuit functionality.

Type of Artwork Supplied and Accepted Standard:

The RT/duroid 5870 high frequency PCB accepts Gerber RS-274-X artwork, a widely used format for PCB fabrication and manufacturing. It adheres to the IPC-Class-2 standard, ensuring high-quality and reliable performance.

Availability and Typical Applications:

RT/duroid 5870 5mil material PCB is globally available, offering engineers and manufacturers access to its exceptional performance and reliability across various markets. Some of the typical applications of this high-frequency laminate include:

Commercial Airline Broadband Antennas: The RT/duroid 5870 PCB is well-suited for manufacturing broadband antennas used in commercial aircraft, ensuring high-speed and reliable wireless connectivity.

Microstrip and Stripline Circuits: Its low dielectric constant and uniform electrical properties make RT/duroid 5870 an excellent choice for microstrip and stripline circuits, enabling high-frequency signal transmission in telecommunications, aerospace, and defense applications.

Millimeter Wave Applications: With its exceptional performance at high frequencies, RT/duroid 5870 is ideal for millimeter wave applications, such as 5G communication systems, radar systems, and satellite communication.

Radar Systems: RT/duroid 5870 PCB provides the necessary stability, low loss, and uniform electrical properties required for radar systems, ensuring accurate and reliable detection in defense, aerospace, and meteorological applications.

Guidance Systems: The laminate's high-frequency capabilities and low Dk loss make it a suitable choice for guidance systems, enabling precise navigation and control in aerospace and defense applications.

Point-to-Point Digital Radio Antennas: RT/duroid 5870 PCB offers excellent performance for point-to-point digital radio antennas, ensuring reliable data transmission and communication in wireless networking and telecommunications systems.


Rogers RT/duroid 5870 PCB delivers outstanding performance and reliability for high-frequency and broadband applications. With its low dielectric constant, uniform electrical properties, and exceptional stability, this laminate empowers engineers and manufacturers to design and produce cutting-edge solutions. Whether it's for commercial airline broadband antennas, radar systems, or millimeter wave applications, Rogers 5870 5mil PCB sets the standard for high-frequency performance and reliability. With its ease of manipulation, chemical resistance, and global availability, it stands as a trusted and well-established material in the industry. Embrace the power of RT/duroid 5870 PCB and unlock the potential of high-frequency technology.

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IPv6 network supported

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