Rogers RO4350B is a PCB material designed for high-frequency and microwave applications with a range of properties that make it ideal for harsh environments. Below are some of the key properties of RO4350B material and why it is suitable for high frequency PCB applications:
Key Properties of RO4350B:
Low Dielectric Constant: RO4350B has a dielectric constant (Dk) of 3.48 ± 0.05, which helps to minimize delay in signal transmission.
Low Dielectric Loss: Its loss factor (Df) is 0.0037 at 10 GHz, which means less loss in high frequency signal transmission.
Thermal Stability: able to maintain its electrical and physical properties over a wide temperature range, with a Tg (glass transition temperature) higher than 280°C.
Low Coefficient of Thermal Expansion: Z-axis CTE (Coefficient of Thermal Expansion) of 32 ppm/°C helps prevent substrate deformation due to temperature changes.
Ion Migration (CAF) Resistance: Excellent CAF resistance for use in harsh environments.
Processing Compatibility: Compatible with processing of conventional FR-4 materials, no special pre-treatment process is required.
UL 94 V-0 Flame Retardant Rating: Meets safety standards and is suitable for active devices and high power RF designs.
Why RO4350B is Suitable for High Frequency PCB Applications:
High-performance RF Designs: RO4350B’s high performance makes it ideal for base station power amplifier designs.
Stability Over a Wide Frequency Band: Its electrical characteristics remain stable over a wide frequency range, ensuring equipment reliability under varying operating conditions.
Cost-effective: While offering high-performance characteristics, RO4350B is cost-competitive with conventional microwave materials.
Easy to Produce: Due to its compatibility with the standard FR-4 process, RO4350B can be mass-produced, reducing manufacturing costs.
Multiple Thickness Options: A variety of thickness options are available to meet different design requirements.
Meets Special Industry Requirements: such as high temperature resistance and dimensional stability requirements in automotive radar systems.
Safety Standards: Complies with UL 94 V-0 flame retardant rating, suitable for applications with high safety requirements.
Areas of Application:
Automotive Radar Systems: used in automotive active safety systems, such as adaptive cruise control and collision avoidance systems.
Satellite Communication: Used for high performance RF circuits in satellite communication equipment.
Wireless Networks: Used in wireless communication base stations for high performance antennas and power amplifiers.
High-speed Digital Circuits: Boards used for high-speed data transmission and processing.
These characteristics of RO4350B make it an outstanding choice for high-frequency PCB design, especially in applications requiring high performance and reliability.