F4BM220 DK2.2 PCB 2-layer build on 1.575mm Thick with Double Sided 0.5oz copper | Bare copper | OSP

Advanced RF Performance in a Compact 2-Layer Design

Our newly shipped F4BM220 High-Frequency PCB is engineered for demanding RF and microwave applications, delivering exceptional signal integrity and low-loss performance. Designed for phase-sensitive systems, radar, and satellite communications, this PCB combines Wangling's advanced F4BM220 PTFE-based laminate with precision manufacturing to meet strict performance requirements.

Key Specifications

• Base Material: F4BM220 (PTFE/fiberglass composite)
• Layer Count: 2 layers
• Dimensions: 130.5mm × 103mm (±0.15mm tolerance)
• Thickness: 1.7mm (finished)
• Copper Weight: 1oz (35μm) outer layers
• Trace/Space: 4/6 mils
• Min Hole Size: 0.3mm (mechanical drill)
• Surface Finish: ENIG (Electroless Nickel Immersion Gold)
• Via Plating: 20μm thickness
• Testing: 100% electrical test prior to shipment

Material Advantages (F4BM220)
✅ Ultra-Low Loss:

• Dielectric Constant (Dk): 2.2 ±0.04 @ 10GHz
• Dissipation Factor (Df): 0.001 @ 10GHz (superior to standard FR-4)

✅ Thermal & Mechanical Stability:

• CTE: x/y/z = 25/34/240 ppm/°C
• Moisture Absorption: ≤0.08% (ideal for harsh environments)
• Flammability Rating: UL-94 V0

✅ Optimized for RF/Microwave:

• Low PIM (Passive Intermodulation) risk
• Excellent phase stability for sensitive antenna systems

Design Features

• No Blind Vias – Simplified 2-layer construction for cost efficiency
• ENIG Surface Finish – Ensures reliable solderability and corrosion resistance
• High-Precision Fabrication – Tight impedance control (±5%) for RF circuits

Typical Applications

• Phase Shifters & Power Dividers – Stable Dk for precise signal control
• Satellite & Radar Systems – Low loss at high frequencies
• 5G Base Station Antennas – Enhanced signal integrity
• Phased Array Antennas – Critical for aerospace/defense

Why Choose This PCB?
✔ Proven RF Performance – Superior to standard PTFE laminates
✔ Cost-Effective 2-Layer Solution – No unnecessary complexity
✔ Global Availability – Shipped worldwide with IPC-Class 2 compliance

Ideal For: Engineers developing compact, high-frequency systems where low loss and stable Dk are non-negotiable.

Contact us today for technical datasheets or pricing inquiries!