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20 mil RO4003C PCB
20 mil RO4003C PCB

AD255C PCB - High-Performance Antenna Laminates for Advanced Applications

  • June 12. 2024

The AD255C PCB is a cutting-edge antenna laminate, built with glass-reinforced, PTFE-based materials. Designed to deliver controlled dielectric constant, low loss performance, and exceptional passive intermodulation (PIM) performance, the AD255C is a game-changer in the field of telecommunications infrastructure. With its woven glass reinforcement, this PCB offers excellent circuit processability and enables high-yield circuit board fabrication.


The AD255C high frequency PCB boasts several remarkable features that set it apart from traditional laminates:

1)Very low loss PTFE and ceramic filled composite:

The combination of PTFE and ceramic materials results in minimal signal loss, ensuring high-quality transmission and reception.

2)Dielectric constant of 2.55 with tight tolerance at 10 GHz/23°C:

The AD255C maintains a consistent dielectric constant, providing reliable performance in demanding high-frequency applications.

3)0.0013 loss tangent at 10GHz and base station frequencies at 10 GHz/23°C:

With an extremely low loss tangent, the AD255C minimizes signal attenuation and distortion, optimizing antenna performance.

4)Decomposition Temperature (Td) >500°C:

The high decomposition temperature ensures the AD255C PCB can withstand elevated temperatures without compromising its structural integrity.

5)Low profile copper:

The use of low profile copper helps reduce circuit losses and mitigates potential passive intermodulation effects in antenna applications.

6)Moisture Absorption 0.03%:

The AD255C's low moisture absorption rate enhances its stability and performance in humid environments.

7)CTE in X-axis of 34 ppm/°C, Y-axis of 26ppm/°C, and Z-axis of 196ppm/°C:

The AD255C exhibits excellent coefficient of thermal expansion (CTE) characteristics, providing stability and reliability across varying temperature ranges.


Choosing the AD255C 0.508mm material PCB comes with a range of benefits:

1.Lower insertion loss:

The AD255C's low loss properties reduce signal attenuation, resulting in improved antenna performance and enhanced signal integrity.

2.Low PIM for antenna applications:

The AD255C's exceptional PIM performance ensures minimal interference and distortion in antenna systems, guaranteeing superior communication quality.

3.Phase stability due to excellent TCEr:

With excellent Thermal Coefficient of dielectric constant (TCEr), the AD255C maintains phase stability, enabling reliable and consistent performance over time.

4.Compatible with the processing used for standard PTFE-based PCB substrates:

The AD255C seamlessly integrates into existing PCB fabrication processes, making it a convenient and versatile choice for manufacturers.

PCB Stackup and Construction Details

The AD255C Rogers substrate PCB is a 2-layer rigid PCB with the following stackup:

Copper_layer_1: 35 μm

AD255C: 0.508 mm (20mil)

Copper_layer_2: 35 μm

The construction details of the AD255C PCB include:

Board dimensions: 32.91mm x 40.41mm=1PCS, +/- 0.15mm

Minimum Trace/Space: 4/4 mils

Minimum Hole Size: 0.25mm

No Blind vias.

Finished board thickness: 0.6mm

Finished Cu weight: 1oz (1.4 mils) outer layers

Via plating thickness: 20 μm

Surface finish: Immersion Silver

Top Silkscreen: White

Bottom Silkscreen: No

Top Solder Mask: Green

Bottom Solder Mask: No

100% Electrical test used prior to shipment

PCB Statistics

The AD255C PCB exhibits the following statistics:

Components: 15

Total Pads: 29

Thru Hole Pads: 17

Top SMT Pads: 12

Bottom SMT Pads: 0

Vias: 21

Nets: 2

Accepted Standards and Availability

The AD255C 20mil substrate PCB adheres to the IPC-Class-2 standard, ensuring high-quality manufacturing and reliability. It is available worldwide, enabling customers from various regions to benefit from its advanced performance.

Typical Applications

The Rogers AD255C PCB finds its application in various industries, including:

1.Cellular infrastructure base station antenna:

The AD255C enables high-performance antenna systems, ensuring reliable and efficient cellular communication.

2.Automotive telematics antenna systems:

With its low loss and excellent PIM performance, the AD255C enhances the performance of telematics antenna systems, supporting seamless connectivity and communication in vehicles.

3.Commercial satellite radio antenna:

The AD255C PCB provides the necessary characteristics for optimal satellite radio reception, delivering a superior listening experience.


Choose AD255C PCB 20mil for your advanced antenna applications and experience the unrivaled performance, reliability, and versatility itoffers. With its exceptional features, reliable construction, and compatibility with standard PTFE-based PCB substrates,AD255C Rogers Printed Circuit Board empowers you to take your designs to new heights in the world of telecommunications and RF technology. Trust in its low loss properties, high stability, and superior performance to achieve optimal results in your next project.

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IPv6 network supported

IPv6 network supported


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