Rogers 4350B PCB

Description

Rogers 4350B PCB 4-Layer Gold-Plated Circuit Board Performance Description
Overview
Rogers 4350B is a high-frequency, high-performance PCB substrate that is widely used in the design of high-frequency, high-speed circuits, especially in fields such as communications, radar, aerospace, and automotive electronics. Based on halogen-free PTFE (Polytetrafluoroethylene) compounds, Rogers 4350B offers excellent electrical, thermal, and mechanical properties. Compared to traditional FR4 materials, Rogers 4350B significantly outperforms in terms of signal transmission speed and quality, particularly in high-frequency applications.

For a 4-layer gold-plated PCB, the use of Rogers 4350B ensures stable high-frequency signal transmission, while the gold-plating process enhances the board’s corrosion resistance and soldering performance, prolonging the board’s lifespan.

Key Features of Rogers 4350B
Low Dielectric Constant (Dk)

Rogers 4350B has a dielectric constant of approximately 3.48, which is significantly lower than traditional FR4 (typically around 4.5). This low dielectric constant helps reduce signal delay and distortion, making it an ideal choice for high-speed, high-frequency circuits.
Low Dissipation Factor (Df)

The dissipation factor (Df) of Rogers 4350B is approximately 0.0037, indicating low signal loss, which is critical for maintaining signal integrity, especially in high-frequency, high-power applications.
Excellent Thermal Stability

Rogers 4350B exhibits outstanding thermal stability, able to withstand prolonged high-temperature operation. For applications that require high-temperature resistance, Rogers 4350B ensures long-term reliable operation of the circuit board.
High-Frequency Performance

As a high-frequency material, Rogers 4350B performs excellently at frequencies of 1GHz and above, making it particularly suitable for microwave signal transmission in communication systems. Its low dielectric constant and low dissipation factor ensure minimal signal loss and stable transmission at high frequencies.
High Corrosion Resistance

The use of a gold-plating process significantly enhances the corrosion resistance of the PCB, preventing degradation of electrical performance due to environmental humidity or other external factors. The gold-plated layer not only improves electrical conductivity but also enhances soldering reliability, particularly for surface-mount components (SMT).
Superior Mechanical Properties

Rogers 4350B exhibits high mechanical strength and a low coefficient of thermal expansion (CTE), meaning the board maintains good dimensional stability, even under high-temperature conditions.
Performance Advantages of Rogers 4350B PCB 4-Layer Gold-Plated Circuit Board
Excellent Signal Integrity

The low dielectric constant and dissipation factor of Rogers 4350B effectively reduce signal loss and reflection, ensuring minimal interference during signal transmission. This makes it ideal for high-speed data transmission, particularly in high-speed digital circuits and microwave circuits. The material maintains signal integrity at high frequencies, preventing distortion and improving overall system performance.

High-Frequency Performance Advantage

In a 4-layer PCB structure, the use of Rogers 4350B as the substrate addresses the limitations of traditional PCBs in high-frequency applications. By using this material, signal transmission speeds can reach higher frequencies with less signal loss, making it especially suitable for microwave communication, RF circuits, and radar systems that demand high-quality signal transmission.

Improved Soldering Reliability

The gold-plating process enhances the corrosion resistance and prevents copper oxidation on the PCB surface, improving the reliability of soldering. The gold-plated layer ensures better solder joints and long-term durability, particularly in SMT applications.

Better Temperature Stability

With a low coefficient of thermal expansion and excellent thermal stability, a 4-layer gold-plated PCB made from Rogers 4350B remains stable under extreme temperatures, ensuring reliable electrical performance in demanding applications such as industrial equipment and aerospace electronics.

Increased Electromagnetic Interference (EMI) Resistance

Due to its low dielectric constant and dissipation factor, Rogers 4350B reduces electromagnetic radiation and interference, improving the PCB’s immunity to EMI in high-frequency applications.

Durability and Long Lifespan

Thanks to the gold-plating process and the excellent properties of Rogers 4350B, 4-layer gold-plated PCBs have longer lifespans and superior durability. This makes them ideal for use in harsh environments where corrosion resistance and long-term reliability are critical.

Applications of Rogers 4350B PCB 4-Layer Gold-Plated Circuit Board
Due to its outstanding high-frequency performance, mechanical properties, and gold-plating process, 4-layer Rogers 4350B gold-plated PCBs are widely used in the following fields:

Communication

Used in base stations, wireless communication devices, satellite communication systems, and other high-frequency, high-speed circuits.
Radar Systems

In both military and civilian radar applications, Rogers 4350B ensures stable signal transmission and improved resistance to interference.
Aerospace

In aerospace electronics, where circuit boards must perform reliably in extreme temperatures, Rogers 4350B’s excellent thermal stability makes it suitable for these demanding environments.
Automotive Electronics

For automotive electronics systems, which require high-speed data transmission and high-frequency signal processing, Rogers 4350B provides high-quality signal transmission.
High-Speed Digital Circuits

In high-speed digital circuits, maintaining signal integrity is critical. Rogers 4350B ensures minimal signal loss and optimal performance, making it ideal for high-performance computers, servers, and other electronic devices.
Rogers 4350B PCB 4-layer gold-plated circuit boards, with their excellent high-frequency performance, low-loss characteristics, thermal stability, and gold-plating process for corrosion resistance, play a critical role in modern electronics. Whether in communications, radar, aerospace, automotive electronics, or high-speed circuits, the use of Rogers 4350B provides superior performance and a longer lifespan, significantly advancing the development of advanced electronic products.