Name: Rogers RO4350B RF Printed Circuit Board
Brand: PCB Printed Circuit Board and PCBA manufacturing
Rating: 5 (1 reviews)

Description
Data Sheet

1. Overview of Rogers RO4350B High-Frequency PCB

Rogers RO4350B is a high-performance high-frequency PCB material based on a patented hydrocarbon resin system reinforced with ceramic fillers and woven glass cloth. Its electrical performance is highly close to that of PTFE/woven glass cloth materials, ensuring excellent high-frequency signal transmission performance. Meanwhile, its machinability is similar to that of epoxy resin/glass cloth materials, breaking the traditional trade-off between high performance and processing convenience for high-frequency materials.

2. Processing Advantages & Flame-Retardant Certification

RO4350B can be processed using standard epoxy/glass cloth processing technologies, which not only ensures strictly controlled permittivity and dielectric loss but also features significant cost advantages—its price is only a fraction of that of traditional microwave materials. Unlike PTFE-based microwave materials, RO4350B does not require special through-hole pretreatment or additional operation procedures, greatly reducing production costs and improving processing efficiency.

In terms of safety performance, RO4350B material has passed the UL 94V-0 fire rating certification. This certification meets the strict flame-retardant safety requirements of active equipment and high-voltage RF designs, ensuring the safe and reliable operation of terminal products in various application scenarios.

3. Real Project Display

Our real project cases fully verify the excellent performance of Rogers RO4350B. The high-frequency PCBs manufactured with this material have been successfully applied in various high-frequency scenarios, winning wide recognition from customers for their stable electrical performance, reliable processing quality, and high cost-effectiveness. These projects cover fields such as automotive radar, cellular base stations, and satellite communication, fully demonstrating the material’s practical application value.

4. Core Advantages of Rogers RO4350B

Rogers RO4350B integrates multiple outstanding performance advantages, making it a preferred material for high-frequency RF/microwave PCBs. Its key advantages are as follows:

Low dielectric loss (DF): Effectively reduces signal attenuation during high-frequency transmission, ensuring the integrity and stability of RF signals. At 10GHz, its DF value is as low as 0.0037, which is crucial for high-frequency signal transmission.
Low dielectric constant (DK) fluctuation with temperature: Maintains stable electrical performance in different working temperature environments. The dielectric constant temperature coefficient of RO4350B is +0.0031×10⁻⁶/℃, ensuring minimal DK fluctuation within a wide temperature range.
Low Z-axis thermal expansion coefficient (CTE): Enhances the reliability of plated through-holes (PTH) in multi-layer PCBs, reducing the risk of layer separation or PTH failure caused by thermal expansion mismatch.
Low in-plane expansion coefficient: Avoids board warpage during processing and use, ensuring the dimensional stability of the PCB and improving the accuracy of component mounting.
Low dielectric constant (DK) tolerance: The manufacturing nominal value of DK is 3.48±0.05, and the recommended design value is 3.66, ensuring consistent performance of batch products and facilitating mass production quality control.
Stable electrical characteristics at different frequencies: Adapts to a wide range of high-frequency bands (1-40GHz), meeting the diverse application needs of different high-frequency devices.
Easy for mass production and compatible with FR4 multi-layer mixing: It can be seamlessly mixed with FR4 materials for multi-layer PCB manufacturing, realizing cost savings while ensuring performance, and featuring high cost-effectiveness.

5. Typical Applications

Leveraging its excellent comprehensive performance, Rogers RO4350B is widely used in various high-frequency electronic products and systems, including:

Cellular base station antennas and power amplifiers
Microwave point-to-point (P2P) connections
Automotive radar and sensors (relying on its stable temperature performance and low loss to ensure accurate signal transmission)
Radio frequency identification (RFID) tags
Low Noise Block (LNB) for live satellite reception

RO4000 Series Materials Dielectric Constant VS. Temperature

5. Typical Applications

Leveraging its excellent comprehensive performance, Rogers RO4350B is widely used in various high-frequency electronic products and systems, including:

Cellular base station antennas and power amplifiers
Microwave point-to-point (P2P) connections
Automotive radar and sensors (relying on its stable temperature performance and low loss to ensure accurate signal transmission)
Radio frequency identification (RFID) tags
Low Noise Block (LNB) for live satellite reception

6. Dielectric Constant vs. Temperature of RO4000 Series Materials

As a core member of the Rogers RO4000 Series, RO4350B inherits the series’ outstanding dielectric constant stability with temperature. The dielectric constant of RO4000 Series materials shows minimal fluctuation within a wide temperature range (-100℃ to 250℃), which is a key advantage for high-frequency applications requiring stable performance in complex environmental conditions. This stability ensures that RO4350B PCBs can maintain consistent electrical performance even in extreme temperature environments, adapting to diverse working scenarios.

7. RF/Microwave PCB Application Overview

Radio frequency (RF) printed circuit boards (PCBs) have become an increasingly indispensable technique in the PCB industry, with their application scope expanding rapidly alongside the development of new electronic technologies. They are classified based on operating frequency:

RF PCBs: Operating at frequencies above 100 MHz, suitable for a variety of high-frequency electronic devices and communication systems.
Microwave PCBs: Operating at frequencies above 2 GHz, mainly used in high-frequency communication, radar, and satellite equipment.

RF PCBs are widely applied in various fields, including remote controls (wireless controls), security systems, smartphones, sensors, and other electronic products. The continuous advancement of new technologies such as 5G and automotive radar has further increased the demand for RF applications, which in turn imposes higher requirements on PCB manufacturing quality standards and material selection.

Understanding the properties of various RF materials is crucial for PCB manufacturing. Choosing the right RF material, such as Rogers RO4350B, is perhaps the most critical decision in the production process of RF PCBs, as it directly determines the performance, reliability, and cost-effectiveness of the final product.

Model ：Rogers RO4350B High Frequency Board

Material：Rogers RO4350B

Layer：2 layers

DK : 3.48

Dielectric Thickness ：1.524mm

Thermal Conductivity ：0.69w/m.k

Volume Resistivity ：1.2*1010

Surface Resistivity ：5.7*109

Finished Thickness：1.6MM

Copper Thickness ：Base 0.5OZ,Finished 1OZ

Surface Treatment ：Immersion Gold

Trace/ Space : 4mil/4mil

Rogers RO4350B RF Printed Circuit Board

Description

Data Sheet

1. Overview of Rogers RO4350B High-Frequency PCB

2. Processing Advantages & Flame-Retardant Certification

3. Real Project Display

4. Core Advantages of Rogers RO4350B

5. Typical Applications

5. Typical Applications

6. Dielectric Constant vs. Temperature of RO4000 Series Materials

7. RF/Microwave PCB Application Overview