CLTE-XT 2-Layer PCB built on 5.1mil Core laminate 0.25mm Thickness with Immersion Gold using in Phased Array Antennas

CLTE-XT PCB: 2-Layer, 5.1mil Core, 0.25mm Thickness with Immersion Gold Finish

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

Overview of CLTE-XT 2-Layer PCB

The CLTE-XT PCB is a high-performance 2-layer rigid PCB designed for applications requiring low insertion loss, dimensional stability, and consistent electrical performance. Manufactured using Rogers CLTE-XT laminates, this PCB features a 5.1mil core and a finished thickness of 0.25mm, making it ideal for high-frequency applications such as advanced driver assistance systems (ADAS), patch antennas, and radar systems.

With its tight dielectric constant tolerance and low dissipation factor, the CLTE-XT PCB offers reliable performance across temperature variations, ensuring high plated-through-hole reliability and repeatable lot-to-lot consistency. Its immersion gold surface finish further enhances durability and solderability, making it a trusted choice for engineers worldwide.

PCB Construction Details

PCB Stackup

The CLTE-XT PCB stackup is simple yet effective, ensuring low loss tangent and dimensional accuracy:

Introduction to CLTE-XT Material

Rogers CLTE-XT laminates are composites of micro-dispersed ceramic filler, PTFE, and woven fiberglass reinforcement, designed to provide the lowest insertion loss and the highest dimensional stability in their class. With a dielectric constant (Dk) ranging from 2.79 to 2.94 and a dissipation factor of just 0.0010 at 10GHz, CLTE-XT ensures superior electrical performance, even at high frequencies.

Key Features of CLTE-XT

• Stable Dielectric Constant (Dk): Ranges between 2.79 and 2.94, with ±0.03 tolerance, ensuring consistent performance.
• Low Dissipation Factor: Just 0.0010 at 10GHz for minimal signal loss.
• Thermal Stability: High Td of 539°C and low CTE values (X: 12.7 ppm/°C, Y: 13.7 ppm/°C, Z: 40.8 ppm/°C).
• Moisture Resistance: Absorption rate of 0.02%, ensuring stable performance in humid conditions.

Benefits of CLTE-XT

• High Reliability: Excellent plated-through-hole performance and repeatable lot-to-lot results.
• Dimensional Stability: Reduced stress during attachment to ceramic active devices.
• Low Circuit Losses: Maintains performance without sacrificing structural integrity.

Applications

• Advanced Driver Assistance Systems (ADAS)
• Patch Antennas
• Phased Array Antennas
• Power Amplifiers
• Ground-Based and Airborne Radar Systems

Conclusion

The CLTE-XT 2-layer PCB is a high-performance solution for RF and microwave applications, offering low insertion loss, dimensional accuracy, and excellent mechanical durability. With its 5.1mil Rogers CLTE-XT core and immersion gold finish, it provides the reliability and consistency required for critical communication systems like ADAS, satellites, and radar systems.

Engineered to meet IPC-Class-2 standards and available worldwide, the CLTE-XT PCB is the perfect choice for engineers seeking cost-effective, high-frequency solutions.