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20 mil RO4003C PCB
20 mil RO4003C PCB

What Are the Features of IsoClad 917 PCB?

  • June 03. 2024

Welcome to the world of advanced high frequency PCB substrates with IsoClad 917. Developed by Rogers, a pioneering name in advanced materials, IsoClad 917 laminates offer exceptional performance and reliability for high-frequency applications. With its low dielectric constant (Dk), superior dimensional stability, and non-woven fiberglass reinforcement, Rogers IsoClad 917 Printed Circuit Board provides engineers and manufacturers with a versatile solution for a wide range of PCB designs. Let's delve deeper into the features, benefits, construction details, and typical applications of this groundbreaking PCB substrate.

Introduction of IsoClad 917

Rogers IsoClad 917 laminates are non-woven fiberglass/PTFE composites designed to serve as printed circuit board substrates. With a dielectric constant (Dk) of 2.17 or 2.20, IsoClad 917 achieves industry-leading performance in its class. These laminates utilize a low ratio of non-woven fiberglass/PTFE, enabling them to deliver the lowest dielectric constant and dissipation factor available. IsoClad 917 62mil laminates are particularly suitable for applications where the PCB may be bent or shaped, such as conformal or wrap-around antennas. The longer random fibers and proprietary manufacturing process of IsoClad 917 result in superior dimensional stability and dielectric constant uniformity compared to similar products from competitors.


IsoClad 917 PCB offers an array of exceptional features:

1)Dielectric constant (Dk):

Choose between Dk values of 2.17 or 2.20 at 10 GHz/23°C, ensuring precise signal transmission.

2)Dissipation factor:

Enjoy an impressively low dissipation factor of 0.0013 at 10 GHz/23°C, minimizing signal loss and maximizing electrical performance.

3)Temperature coefficient of Dk (TcDK):

With a TcDK of -157 ppm/°C ranging from -10°C to 140°C, IsoClad 917 maintains excellent stability across a wide temperature range.

Strong peel strength: Experience a robust peel strength of 10 lbs. per inch, guaranteeing secure bonding and reliable performance.

4)Low moisture absorption:

IsoClad 917 exhibits moisture absorption as low as 0.04%, ensuring excellent electrical integrity even in high humidity environments.

5)Coefficient of thermal expansion (CTE):

The CTE values of IsoClad 917 are 46 ppm/°C in the X-axis, 47 ppm/°C in the Y-axis, and 236 ppm/°C in the Z-axis, providing balanced dimensional stability and reliable performance.

6)UL-94 V0 flammability:

IsoClad 917 meets the stringent UL-94 V0 flammability standard, ensuring safety and compliance in critical applications.

IsoClad 917 PCB


IsoClad 917 PCB 62mil offers a multitude of benefits that set it apart from conventional PCB substrates:

1.Non-woven fiberglass reinforcement:

The non-woven fiberglass reinforcement imparts flexibility and allows for bending or shaping of the PCB, making it suitable for conformal or wrap-around antenna applications.

2.Low dielectric constant:

The low Dk of IsoClad 917 ensures minimal signal loss, precise impedance control, and high-frequency performance, enabling superior signal integrity.

3.Extremely low loss:

With its low dissipation factor, IsoClad 917 minimizes energy loss, ensuring efficient signal transmission and maximizing system performance.

4.Low moisture absorption:

IsoClad 917's low moisture absorption rate ensures excellent performance in high humidity environments, making it ideal for applications with demanding moisture conditions.

5.Less rigid than woven fiberglass:

The flexibility of IsoClad 917 makes it easier to handle and assemble, reducing the risk of damage during fabrication and improving overall reliability.

6.Highly isotropic in X, Y, and Z directions:

IsoClad 917 exhibits consistent electrical properties and dimensional stability in all directions, providing uniform performance across the PCB.

7.Stable Dk over a range of frequencies:

IsoClad 917 maintains a stable dielectric constant across a wide frequency range, ensuring reliable and predictable circuit performance.

8.Improved dimensional stability:

The longer random fibers and proprietary manufacturing process of IsoClad 917 contribute to enhanced dimensional stability, reducing the risk of warping or distortion during operation.

IsoClad 917 PCB Stackup

The IsoClad 917 62mil substrate PCB features a 2-layer rigid PCB stackup consisting of the following layers:

Copper Layer 1: 35 μm

IsoClad 917: 1.575 mm (62mil)

Copper Layer 2: 35 μm

IsoClad 917 PCB Construction Details

The 2 layer circuit board Rogers IsoClad 917 62mil adheres to the following construction details:

Board dimensions: Each PCB measures 70mm x 42mm, with a manufacturing tolerance of +/- 0.15mm, ensuring precise andconsistent board dimensions.

Minimum Trace/Space: The minimum trace width/space is 4/6 mils, allowing for intricate and compact circuit designs.

Minimum Hole Size: The minimum hole size is 0.4mm, enabling the implementation of small and precise drilled holes.

No Blind Vias: The PCB does not utilize blind vias, simplifying the manufacturing process and reducing costs.

Finished Board Thickness: The finished board thickness is 1.6mm, ensuring structural integrity and compatibility with standard PCB applications.

Finished Cu Weight: The outer layers of the PCB feature a finished copper weight of 1oz (1.4 mils), providing optimal electrical conductivity.

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

Surface Finish: The PCB is finished with Immersion Gold, offering excellent corrosion resistance and solderability.

Top Silkscreen: No top silkscreen is applied, providing a clean and minimalist appearance.

Bottom Silkscreen: The PCB does not feature a bottom silkscreen, maintaining simplicity and reducing manufacturing complexity.

Top Solder Mask: The top solder mask is green, providing protection and insulation for the copper traces.

Bottom Solder Mask: No bottom solder mask is applied, ensuring a streamlined and efficient manufacturing process.

100% Electrical Test: Each PCB undergoes a comprehensive 100% electrical test prior to shipment, ensuring functionality and reliability.

IsoClad 917 PCB Statistics

The IsoClad 917 PCB boasts the following statistics:

Components: The PCB supports up to 29 components, enabling the implementation of complex circuits.

Total Pads: There are 53 pads in total, facilitating secure component placement and soldering.

Thru-Hole Pads: The PCB features 32 thru-hole pads, providing options for both surface mount and through-hole components.

Top SMT Pads: There are 21 top surface mount technology (SMT) pads, enabling the placement of SMT components on the top layer.

Bottom SMT Pads: The PCB does not include bottom SMT pads, simplifying the design and assembly process.

Vias: With 28 vias, the PCB allows for efficient electrical connections between different layers.

Nets: The PCB incorporates 2 nets, enabling the routing and interconnection of signals.

Type of Artwork Supplied

The IsoClad 917 PCB is compatible with Gerber RS-274-X artwork files, ensuring seamless integration into existing design workflows.

Accepted Standard

The IsoClad 917 62mil material PCB adheres to the IPC-Class-2 standard, ensuring high-quality manufacturing and reliable performance.


IsoClad 917 PCB 62mil is available for purchase worldwide, enabling customers from various regions to benefit from its exceptional features and performance.

Some Typical Applications

IsoClad 917 high frequency PCB 62mil finds application in a diverse range of industries and technologies, including:

1.Conformal Antennas:

The flexibility and low dielectric constant of IsoClad 917 make it ideal for conformal antenna designs, ensuring efficient and reliable wireless communication.

2.Stripline and Microstrip Circuits:

IsoClad 917 enables the construction of high-frequency stripline and microstrip circuits, delivering precise signal transmission and low loss characteristics.

3.Guidance Systems:

The stable dielectric constant and low moisture absorption of IsoClad 917 make it suitable for guidance systems, ensuring accurate and reliable performance in critical navigation applications.

4.Radar and Electronic Systems:

IsoClad 917's low loss and excellent dimensional stability make it an excellent choice for radar and electronic systems, providing optimal signal integrity and long-term reliability.


In conclusion, the IsoClad 917 PCB 62mil represents a breakthrough in high-performance PCB substrates. With its exceptional features, such as low dielectric constant, low loss, and non-woven fiberglass reinforcement, it empowers engineers and manufacturers to create cutting-edge electronic designs. Whether it's conformal antennas, stripline circuits, guidance systems, or radar applications,Rogers IsoClad 917 PCB delivers the performance, reliability, and versatility required for the most demanding applications. Embrace the future of PCB technology with IsoClad 917 Rogers high frequency laminate PCB and unlock new possibilities in electronic design.

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