CuClad 250 PCB 2-layer 20mil Substrates | Rogers Corporation apply for Microwave Components

Unveiling Rogers CuClad 250 Laminates: A Comprehensive Q&A Guide

Q: What are Rogers CuClad 250 laminates, and what sets them apart from other PCB substrates?
A: Rogers CuClad 250 laminates are advanced cross-ply woven fiberglass and PTFE composite laminates known for their low dielectric constants and exceptional mechanical properties. What sets them apart is their high fiberglass/PTFE ratio, providing superior dimensional stability and lower thermal expansion in all directions compared to conventional substrates.

Q: What are the key features of Rogers CuClad 250 laminates?
A: The key features include a dielectric constant (DK) of 2.4-2.55 at 10GHz, a low dissipation factor of 0.0017 at 10GHz, low moisture absorption of 0.03%, strong peel strength of 14 lbs/in, and a high PTFE to glass ratio. These features contribute to enhanced performance and reliability in high-frequency applications.

Q: What are the benefits of using Rogers CuClad 250 laminates in PCB designs?
A: The cross-ply construction provides balanced electrical and mechanical properties, supporting wider line widths for lower insertion loss. The low dielectric constant enables low circuit losses at high frequencies and better dielectric constant uniformity compared to non-woven fiberglass laminates, making them well-suited for Er-sensitive circuits.

Q: Can you provide details on the PCB stackup and construction using Rogers CuClad 250 laminates?
A: For a 2-layer rigid PCB, the stackup includes copper_layer_1 (35 μm), Rogers CuClad 250 Core (0.508 mm or 20mil), and copper_layer_2 (35 μm). The PCB construction details feature board dimensions of 23.97 mm x 30.09 mm, minimum trace/space of 4/4 mils, minimum hole size of 0.3mm, finished board thickness of 0.6mm, and finished Cu weight of 1oz on outer layers, among other specifications.

Q: What are some typical applications of Rogers CuClad 250 laminates?
A: These laminates are well-suited for applications in radars, electronic countermeasures, electronic support measures, and various microwave components such as LNAs, filters, and couplers. Their high performance and reliability make them a preferred choice for critical high-frequency circuit designs.

Q: What quality standards do Rogers CuClad 250 laminates adhere to, and where are they available?
A: Rogers CuClad 250 laminates meet IPC-Class-2 quality standards, ensuring high-quality and reliable performance. They are available worldwide, providing engineers and designers with access to top-notch materials for their PCB projects.

In conclusion, Rogers CuClad 250 laminates stand out as a premium choice for high-frequency PCB applications, offering a combination of superior performance, reliability, and mechanical properties. With a comprehensive understanding of their features, benefits, applications, and availability, engineers can confidently integrate these laminates into their designs for optimal results.