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20 mil RO4003C PCB
20 mil RO4003C PCB

What Is AD255C PCB and It's Features?

  • July 04. 2024

The AD255C PCB is a cutting-edge innovation in the realm of telecommunication infrastructure. Developed by Rogers, a trusted name in the industry, this printed circuit board (PCB) is designed to deliver exceptional performance and reliability in wireless communication applications. Built on the foundation of Rogers AD250C commercial microwave and RF laminate material, the AD255C PCB offers a low and tightly controlled dielectric constant of 2.50, ensuring unparalleled signal integrity and efficiency.


1)Rogers AD250C Woven Glass Reinforced PTFE Antenna Grade Laminates:

The AD255C PCB 30mil is constructed using Rogers AD250C woven glass reinforced PTFE antenna grade laminates. This choice of material guarantees enhanced durability and resilience, making it a perfect fit for demanding wireless applications.

2)Dielectric Constant of 2.5 with Tight Tolerance at 10 GHz/23°C:

With a dielectric constant of 2.5 and tight tolerance at 10 GHz/23°C, the AD255C antenna grade laminates PCB ensures consistent and reliable circuit performance across a wide range of frequencies. This stability is crucial for maintaining the integrity of wireless signals.

3)0.0013 Loss Tangent at 10GHz and Base Station Frequencies at 10 GHz/23°C:

The AD255C PCB 30mil boasts an impressively low loss tangent of 0.0013 at 10 GHz, ensuring minimal signal loss and maximizing overall circuit performance. It is specifically designed to excel in base station frequencies, guaranteeing exceptional signal quality and reliability.

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

Engineered to withstand high temperatures, the AD255C PCB 30mil exhibits a decomposition temperature (Td) exceeding 500°C. This exceptional thermal stability ensures reliable operation even in demanding environments where heat dissipation is a critical factor.

5)Moisture Absorption 0.04%:

The AD255C PCB 30mil possesses a moisture absorption rate of only 0.04%. This characteristic makes it highly resistant to the effects of humidity, ensuring consistent performance even in moisture-rich environments.

6)CTE in X-axis of 47 ppm/°C, Y-axis of 29 ppm/°C, and Z-axis of 196 ppm/°C:

With a coefficient of thermal expansion (CTE) carefully engineered for stability, the AD255C PCB 30mil maintains its dimensional integrity even in the face of temperature fluctuations. Its CTE values of 47 ppm/°C in the X-axis, 29 ppm/°C in the Y-axis, and 196 ppm/°C in the Z-axis make it an ideal choice for applications where thermal stability is crucial.

Rogers AD255C Antenna PCB Low DK Low Loss


1)Low Loss Tangent (<0.002 at 10 GHz):

The AD255C PCB 30mil's exceptionally low loss tangent of less than 0.002 at 10 GHz ensures optimal signal transmission, minimizing signal degradation and maximizing overall circuit performance. This feature is particularly advantageous in wireless communication systems where signal integrity is paramount.

2)Excellent Circuit Performance in All Typical Wireless Frequency Bands:

With its carefully controlled dielectric constant and low loss tangent, the AD255C PCB 30mil delivers excellent circuit performance across all typical wireless frequency bands. Whether it's cellular infrastructure, automotive telematics, or commercial satellite radio, this PCB ensures reliable and efficient operation.

3)Higher Antenna Efficiencies:

Thanks to its superior construction and material properties, the AD255C PCB 30mil enables higher antenna efficiencies. This translates to improved signal reception and transmission capabilities, resulting in enhanced overall system performance.

4)Controlled Dielectric Constant (±0.05):

The AD255C PCB 30mil guarantees a controlled dielectric constant with an impressive tolerance of ±0.05. This level of precision ensures repeatable circuit performance, making it easier to manufacture and maintain consistent product quality.

5)Ceramic Provides Higher Degree of Dk Stability During Temperature Changes:

By incorporating ceramic materials into its composition, the AD255C PCB 30mil achieves a higher degree of dielectric constant (Dk) stability during temperature changes. This characteristic prevents unwanted variations in circuit behavior, ensuring reliable operation even in dynamic thermal environments.

6)Very Low PIM (-159 dBc at 30 mil, 1900 MHz):

PIM (Passive Intermodulation) is a critical concern in antenna applications. The AD255C PCB 30mil addresses this issue with its exceptionally low PIM rating of -159 dBc at 30 mil and 1900 MHz. This feature ensures excellent antenna performance and minimizes yield losses associated with PIM-related issues.

7)Excellent Dimensional Stability:

The AD255C PCB 30mil exhibits excellent dimensional stability, enabling repeatable circuit performance and improved manufacturing yields. Its superior stability also contributes to enhanced plated through-hole (PTH) reliability compared to typical PTFE-based laminates, making it a reliable choice for high-performance applications.

PCB Stackup and Construction Details

The AD255C PCB 30mil features a double sided RF circuit Board stackup, designed to meet the demanding requirements of wireless communication systems. The stackup consists of the following layers:

Copper Layer 1: 35 μm

AD250C - 0.762 mm (30mil)

Copper Layer 2: 35 μm

The board dimensions of the AD255C PCB 30mil are 196mm x 162mm, with a tolerance of +/- 0.15mm. It adheres to a minimum trace/space of 5/5 mils and a minimum hole size of 0.3mm. The board thickness upon completion is 0.8mm, offering a balance between durability and compactness.

The finished copper weight is 1oz (1.4 mils) on the outer layers, providing optimal conductivity and signal transmission. The via plating thickness is 20 μm, ensuring reliable electrical connections throughout the board.

For surface finish, the AD255C PCB 30mil utilizes immersion gold, a popular choice known for its excellent solderability and corrosion resistance. The top solder mask is green, providing a visually appealing and protective layer for the PCB.

The AD255C PCB 30mil undergoes a comprehensive 100% electrical test prior to shipment, guaranteeing its functionality and adherence to quality standards.

AD255C High frequency PCB

PCB Statistics

The AD255C High frequency PCB 0.762mm is designed to accommodate a wide range of components and connections. The following statistics provide an overview of its capabilities:

Components: 81

Total Pads: 228

Thru-Hole Pads: 97

Top SMT Pads: 131

Bottom SMT Pads: 0

Vias: 132

Nets: 4

Artwork and Standards

The AD255C Rogers RF PCB 30mil is supplied with Gerber RS-274-X artwork, a widely accepted industry standard for PCB fabrication. It adheres to IPC-Class-2 standards, ensuring high-quality manufacturing and reliability.

Availability and Applications

The AD255C Rogers PCB material 30mil PCB is available worldwide, making it accessible to customers across different regions. Its exceptional performance and reliability make it an ideal choice for various applications, including:

1.Cellular Infrastructure Base Station Antenna:

The AD255C PCB 30mil excels in base station antenna systems, providing reliable signal transmission and reception. Its low loss tangent, controlled dielectric constant, and high thermal stability contribute to improved antenna performance and overall system efficiency.

2.Automotive Telematics Antenna Systems:

In the automotive industry, the AD255C PCB 30mil finds its application in telematics antenna systems. Its superior dimensional stability, low PIM rating, and excellent circuit performance make it suitable for demanding automotive environments, ensuring reliable and efficient communication.

3.Commercial Satellite Radio Antenna:

For commercial satellite radio antenna systems, the AD255C PCB 30mil offers outstanding performance. Its controlled dielectric constant, low loss tangent, and moisture resistance contribute to enhanced antenna efficiencies and reduced signal degradation, resulting in improved reception quality.


In conclusion, the AD255C 30mil substrate board PCB is an advanced and reliable solution for wireless communication applications. With its exceptional material properties, controlled dielectric constant, low PIM rating, and dimensional stability, it empowers wireless systems to achieve optimal performance and reliability. Whether used in cellular infrastructure, automotive telematics, or commercial satellite radio, the Rogers AD255C PCB 30mil delivers precision, durability, and efficiency, enabling seamless and efficient wireless communication.

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IPv6 network supported

IPv6 network supported


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