Comparing Rogers 4350B and Rogers 4003C PCB Materials

When selecting PCB materials for high-frequency applications, Rogers 4350B and Rogers 4003C are two widely used choices. Both materials offer excellent electrical properties and stability, but they have distinct characteristics that make them suitable for different applications.

Dielectric Constant and Loss Tangent

• Rogers 4350B has a dielectric constant (Dk) of 3.48, which is highly stable over a wide frequency range. It has a low dissipation factor of 0.0037 at 10 GHz, making it an excellent choice for high-speed RF and microwave circuits.

• Rogers 4003C has a slightly lower dielectric constant of 3.38 and a dissipation factor of 0.0027 at 10 GHz, offering good performance for lower-frequency RF applications.

Thermal and Mechanical Properties

• Rogers 4350B provides better thermal conductivity and mechanical strength, making it more durable in extreme environments.

• Rogers 4003C is easier to process and is more cost-effective, making it a popular choice for volume production.

Common Applications

• Rogers 4350B is ideal for high-frequency antennas, power amplifiers, and phased-array radar systems.

• Rogers 4003C is often used in wireless communication systems, automotive radar, and IoT devices.

At RingPCB Technology Co., Ltd, we maintain a large inventory of both Rogers 4350B and Rogers 4003C materials, ensuring fast turnaround times for your high-frequency PCB needs.