Bicheng Electronics Technology Co., Ltd
We Are Your RF PCB Solution Provider! Rogers PCB, Taconic PCB, Arlon PCB, F4B PCB ISO9001, ISO14001, IATF 16949 certified
Add to Cart
In the demanding world of RF and microwave electronics, signal integrity and material stability are paramount. Our 2-layer rigid PCB, constructed with Wangling's advanced F4BM220 PTFE/fiberglass laminate, delivers exceptional high-frequency performance for critical communication and radar systems. With its ultra-low loss characteristics and precise dielectric properties, this PCB is engineered to meet the rigorous demands of modern RF applications.
Precision Construction & Key Specifications
Base Material: High-performance F4BM220 PTFE/fiberglass composite for superior RF characteristics
Layer Count: 2 layers with 4/6 mil trace/space capability
Board Dimensions: 130.5mm × 103mm (±0.15mm tolerance)
Minimum Hole Size: 0.3mm (mechanical drilling)
Finished Thickness: 1.7mm (1.575mm core with 35μm copper layers)
Surface Finish: ENIG (Electroless Nickel Immersion Gold) for reliable solderability
Via Plating Thickness: 20μm for durable interconnects
Electrical Testing: 100% tested prior to shipment
Optimized Stackup for RF Performance
The 2-layer stackup is carefully engineered for maximum signal integrity:
Top Layer: 35μm ED copper foil
Core: 1.575mm F4BM220 laminate (PTFE/fiberglass composite)
Bottom Layer: 35μm ED copper foil
Special Design Considerations:
No solder mask or silkscreen to minimize dielectric interference
All vias are through-hole (no blind/buried vias)
Clean surface finish for optimal RF performance
Why Choose F4BM220 Material?
Superior High-Frequency Characteristics
Dielectric Constant (Dk): 2.2±0.04 @ 10GHz - exceptional stability for precise impedance control
Ultra-Low Loss: Dissipation Factor (Df) of 0.001 at 10GHz for minimal signal degradation
Thermal Stability: CTE of 25ppm/°C (x-axis), 34ppm/°C (y-axis) for dimensional reliability
Moisture Resistance: Absorption ≤0.08% for consistent performance in varied environments
Enhanced Reliability Features
UL-94 V0 flammability rating for safety compliance
Excellent temperature resistance (-55°C to 288°C operating range)
Thermal coefficient of Dk: -142ppm/°C (-55°C to 150°C) for stable performance
Ideal Applications
This PCB is specifically designed for high-frequency applications including:
Microwave and RF communication systems
Phase shifters and power dividers
Satellite communication equipment
Base station antennas and feed networks
Radar systems and phased array antennas
Couplers and combiners
Quality Assurance & Global Availability
We maintain strict quality standards to ensure reliable performance:
Compliant with IPC-Class-2 standards
Accepts Gerber RS-274-X artwork files
Worldwide availability with reliable shipping options