RO4725JXR PCB double-sided copper 0.8mm Thick, 30.7mil Core, and ENIG Finish for Antenna Applications

2-Layer RO4725JXR PCB: 0.8mm Thick, 30.7mil Core, and ENIG Finish for Antenna Applications

(All PCBs are custom-manufactured. Reference images and parameters may vary based on your design requirements.)

Overview of the 2-Layer RO4725JXR PCB

The 2-layer RO4725JXR PCB is a cost-effective, high-performance printed circuit board designed specifically for antenna-grade applications. Manufactured using Rogers RO4725JXR hydrocarbon/ceramic laminate, this PCB offers low dielectric loss, consistent circuit performance, and reduced passive intermodulation (PIM). With a finished thickness of 0.8mm, immersion gold surface finish, and rigid structure, this PCB is optimized for cellular base station antennas and other demanding RF systems.

Fully compatible with standard FR-4 processes, the RO4725JXR PCB eliminates the need for specialized handling, making it an affordable alternative to PTFE-based laminates without compromising performance.

PCB Construction Details

The 2-layer rigid PCB is engineered with precision to ensure durability and superior signal performance. Below are the construction details:

PCB Stackup

This straightforward stackup design ensures low insertion loss and stable signal propagation, making it ideal for RF applications.

PCB Statistics

The 2-layer RO4725JXR PCB is designed to meet the needs of simple but effective component layouts. Below are its key statistics:

• Components: 6
• Total Pads: 39
• Thru Hole Pads: 31
• Top SMT Pads: 8
• Bottom SMT Pads: 0
• Vias: 20
• Nets: 2

Introduction to RO4725JXR Material

Rogers RO4725JXR laminates are a hydrocarbon/ceramic composite reinforced with woven glass, designed to provide antenna-grade performance at a lower cost compared to PTFE-based laminates. The material’s low dielectric constant (Dk) and low loss tangent (Df) ensure minimal signal loss and consistent electrical performance.

RO4725JXR materials are fully compatible with FR-4 processes, eliminating the need for special handling or through-hole preparation. Additionally, the material’s low passive intermodulation (PIM) performance ensures superior signal quality in cellular base station antennas.

Features of RO4725JXR

• Dielectric Constant (Dk): 2.55 ± 0.05 at 10GHz/23°C
• Dissipation Factor (Df):
• 0.0026 at 10GHz/23°C
• 0.0022 at 2.5GHz
• Thermal Coefficient of Dielectric Constant (TCDk): +34 ppm/°C
• CTE (Coefficient of Thermal Expansion):
• X-axis: 13.9 ppm/°C
• Y-axis: 19 ppm/°C
• Z-axis: 25.6 ppm/°C
• High Tg Value: >280°C
• Low PIM Performance: -166 dBc (43dBm, 1,900MHz signal)

Benefits of RO4725JXR PCB

Low Dielectric Loss: Ensures minimal signal attenuation for high-frequency applications.

Consistent Circuit Performance: Dk and Df values are stable across wide frequency ranges.

Low Passive Intermodulation (PIM): Improves signal quality in antenna systems.

Cost-Effective Alternative: Matches PTFE-based materials in performance without the high cost.

Thermal Stability: High Tg and CTE matched to copper enhance durability during operation.

Applications of RO4725JXR PCB

Cellular Base Station Antennas: Delivers reliable signal performance and low PIM.

Point-to-Point Communication Systems: Supports low-loss and high-gain applications.

Microwave and RF Systems: Ensures consistent performance for high-frequency circuits.

Satellite Communication Systems: Provides thermal and electrical stability in demanding environments.

Why Choose the 2-Layer RO4725JXR PCB?

The 2-layer RO4725JXR PCB combines optimal performance, cost efficiency, and easy manufacturability, making it an excellent choice for antenna-related applications. With its low dielectric constant, low dissipation factor, and superior thermal properties, this PCB ensures long-lasting performance in high-frequency environments.

Contact us today to learn more about this high-performance PCB or to discuss your project requirements!

Bicheng PCB is headquartered in Shenzhen, a city with great economic vitality. Based in China, we adhere to the philosophy of servicing small and medium sized companies offering variety of circuit boards to meet the demands of market.

We maintain the highest standards which support products that exhibit exceptional quality, performance and reliability. The circuit board ranges from conventional FR-4 to PTFE, metal core to flexible circuits which are used in the industries of home appliances, portable and consumable electronics, medical filed, aerospace as well as telecommunications etc.

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