Rogers 4350B (RO4350B) is a premium glass-reinforced ceramic-filled PTFE composite circuit board material engineered to deliver enhanced electrical performance compared to Rogers’ popular RO4003 laminate.
Featuring an extremely low and stable dielectric constant of 3.48, RO4350B supports precision impedance control for today's cutting-edge microwave and gigahertz frequency applications requiring tighter electrical tolerances and lower losses.
As part of Rogers Corporation’s trusted RO4000® high frequency material series, RO4350B maintains the hallmark reliability, consistency and fabrication versatility expected from Rogers’ industry-leading substrates.
Key Properties of Rogers 4350b
Rogers 4350b possesses the following electrical and physical characteristics:
- Dielectric Constant: 3.48
- Loss Tangent: 0.0037 (at 10 GHz)
- Moisture Absorption: 0.02%
- Density: 1.63 g/cm3
- Glass Transition: >280°C
- Lead-Free Compatibility: Yes
- Standard Panel Size: 18” x 24” (Available in thickness from 0.004” to 0.062”)
Why Use Rogers 4350b Material?
Rogers 4350B builds upon the strengths of Rogers’ most ubiquitous microwave substrate RO4003C to deliver enhanced performance meeting contemporary wireless speed and precision requirements including:
Lower Dielectric Constant – The ultra-low Dk of 3.48 allows wider line widths and spacing to achieve target impedance specs. This facilitates PCB fabrication and repeatability.
Superior Loss Characteristics – With a loss tangent of just 0.0037 at 10 GHz, electrical signal loss through the 4350b material is further reduced over RO4003. More signal power reaches antennas improving efficiency.
Tighter Impedance Tolerances – Exceptional laminate consistency and stable dielectric properties yield reliable impedance control for precise microwave circuits pushing boundaries of wireless generations like 5G.
High Reliability – RO4350B maintains the outstanding consistency, moisture resistance, thermal resilience and longevity RO4000 materials are recognized for in mission-critical systems.
Common Rogers 4350b Applications
Thanks to its advanced dielectric properties setting a new bar for Rogers’ RF material series, Rogers 4350B gets utilized in leading-edge microwave and millimeter wave systems pushing signal frequencies and data rates further including:
- 5G Communication Infrastructure
- Military & Commercial Satellites
- Radar and Remote Sensing Devices
- Aerospace & Defense Electronics
- Test & Measurement Equipment
- Automotive Sensors
Interested if Rogers 4350b could empower your next wireless innovation? Contact us to evaluate material selection for your high frequency PCB design.
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