Key Materials for Low-Loss Multilayer PCBs: A Comprehensive Guide

Choosing the right materials is crucial for manufacturing low-loss multilayer PCBs. This guide explores the best materials for high-performance PCB designs.

Common Materials for Low-Loss PCBs

• PTFE (Polytetrafluoroethylene): Excellent dielectric properties and low loss tangent.
• Rogers Laminates: Popular for RF and microwave applications.
• High-Performance FR4: A cost-effective option with enhanced properties.

Factors to Consider When Selecting PCB Materials

• Dielectric constant stability over a wide frequency range.
• Low dissipation factor for reduced signal loss.
• High thermal stability for demanding applications.

Conclusion

Selecting the right materials ensures optimal PCB performance, particularly in high-frequency applications like 5G and aerospace electronics.