F4B Teflon PCB Laminates – Microwave PCB Manufacturer | Highleap Electronics
Highleap Electronics offers high-frequency PCB manufacturing with F4B Teflon laminates. Ideal for RF, PTFE microwave circuits, antennas, and radar PCB designs.
High-Performance PTFE F4B PCB Manufacturing and Assembly
At Highleap Electronics, we specialize in manufacturing and assembling high-frequency PTFE F4B PCBs for RF, microwave, and millimeter-wave applications. F4B series laminates—especially F4B-1/2 copper-clad Teflon laminates—are widely used in telecommunications, aerospace, radar systems, and satellite electronics due to their low loss, stable dielectric properties, and excellent thermal performance.
Our factory uses authentic Teflon-based F4B materials to ensure the highest level of signal integrity and process reliability. Whether you’re designing 5G base stations, antenna arrays, or high-speed RF filters, our F4B PCBs offer:
- Low dielectric loss (Df) for minimal signal attenuation
- Stable Dk values across a wide frequency range
- Excellent thermal reliability for demanding environments
- Superior mechanical strength for multilayer stackups
- Precision PCB fabrication with impedance control and microvia support
We provide turnkey solutions, from material sourcing to full PCB assembly, using PTFE F4B laminates that meet your exact technical requirements. Combined with our RF design expertise and global delivery capability, we help engineers reduce time-to-market while ensuring robust performance in mission-critical systems.
Wangling F4B PCB Laminates – Cost-Effective PTFE Substrate with PIM-Optimized Options
In addition to our Teflon®-based F4B laminates, Highleap Electronics also offers high-frequency PCB manufacturing using Wangling F4B series laminates, including F4BM and F4BME materials. These China-developed PTFE-based substrates are designed for commercial-grade RF, microwave, and phased array antenna applications, offering low dielectric loss and a wide range of dielectric constants from 2.17 to 3.0.
F4BM materials use ED copper foil and are suitable for standard RF applications. F4BME, paired with reverse-treated (RTF) copper foil, offers outstanding PIM (Passive Intermodulation) performance and enhanced signal consistency. With thermal resistance up to 260°C, dielectric loss as low as 0.001@10GHz, and customizable Dk values, Wangling F4B laminates are an ideal choice for cost-sensitive projects requiring dependable performance.
Our Wangling-based PCB offerings support diverse stack-ups, aluminum/copper backplane designs (e.g., F4BM220-AL, F4BME255-CU), and a wide thickness range from 0.1 mm to 12.0 mm. Applications include microwave couplers, power dividers, phase shifters, satellite feed networks, and radar front ends.
Whether you need premium Teflon® F4B laminates or a reliable alternative like Wangling F4B, Highleap Electronics provides precision fabrication and full turnkey assembly for all high-frequency PCB projects.
Detailed Technical Specifications of F4B-1/2 Teflon PCB
| Property | Test Condition | Unit | Value |
|---|---|---|---|
| General Information | |||
| Appearance | Meet the specification requirements for the laminate of microwave PCB by National and Military Standards. | ||
| Types | F4B255 / F4B265 | ||
| Dielectric Constant | 2.55 / 2.65 | ||
| Dimension (mm) | 300×250, 380×350, 440×550, 500×500, 460×610, 600×500, 840×840, 1200×1000, 1500×1000 | ||
| Note | For special dimension, customized laminates are available. | ||
| Copper Thickness | 0.035 μm / 0.018 μm | ||
| Thickness and Tolerance | |||
| Laminate Thickness (mm) | 0.17, 0.25 | 0.5, 0.8, 1.0 | 1.5, 2.0 | 3.0, 4.0, 5.0 | ||
| ±0.025 | ±0.05 | ±0.05 | ±0.09 | |||
| Note | Includes copper thickness. Customized options available. | ||
| Mechanical Strength | |||
| Maximum Warp (mm) | Thickness 0.25–0.5: 0.030 (original), 0.050 (single), 0.025 (double) Thickness 0.8–1.0: 0.025 / 0.030 / 0.020 Thickness 1.5–2.0: 0.020 / 0.025 / 0.015 Thickness 3.0–5.0: 0.015 / 0.020 / 0.010 |
||
| Cutting Strength | 1 mm board, no burrs after cutting, min. hole spacing 0.55 mm, no delamination. | ||
| Punching Strength | 1 mm board, no burrs after punching, min. hole spacing 1.10 mm, no delamination. | ||
| Peel Strength (1oz copper) | ≥15 N/cm (normal), ≥12 N/cm (constant humidity & temp), solder 260°C ±2°C for 20s | ||
| Chemical Property | |||
| Chemical Resistance | Etching applicable, dielectric properties unchanged. For plated-through holes, sodium or plasma treatment required. | ||
| Electrical Property | |||
| Density | Normal state | g/cm³ | 2.2 ~ 2.3 |
| Moisture Absorption | 24 h in distilled water @ 20±2°C | % | <0.1 |
| Operating Temperature | High-low temp chamber | °C | -50 ~ +260 |
| Thermal Conductivity | – | W/m·K | 0.3 |
| CTE (typical) | 0~100°C | ppm/°C | 16(x), 21(y), 186(z) |
| Shrinkage Factor | 2 h in boiling water | % | 0.0002 |
| Surface Resistivity | 500V DC | MΩ | ≥1×10⁴ (normal), ≥5×10³ (humid) |
| Volume Resistivity | – | MΩ·cm | ≥1×10⁶ (normal), ≥9×10⁴ (humid) |
| Pin Resistance | 500V DC | MΩ | ≥5×10⁴ (normal), ≥5×10² (humid) |
| Surface Dielectric Strength | 1 mm thick | kV/mm | ≥1.2 (normal), ≥1.1 (humid) |
| Dielectric Constant | 10 GHz | εr | 2.55, 2.65 (±2%) |
| Dissipation Factor | 10 GHz | tgδ | ≤1×10⁻³ |
Notes:
In addition to our F4B-1/2 series, Highleap Electronics specializes in a wide range of advanced PCB technologies, including:
- RF & Microwave Hybrid PCBs
- High Frequency PTFE & Teflon Circuit Boards
- FR4 Double-Sided and Multilayer PCBs
- 1–3+N+3 HDI / Any-Layer HDI PCBs
- Rigid-Flex PCBs with blind and buried vias
- PCBs with blind slots and backdrilling
- Heavy Copper PCBs for high current applications
Have questions or need a quote? Don’t hesitate to reach out to us at www.hilelectronic.com – our team will respond as soon as possible.
F4B PCB Material Variants – Choose the Right Teflon PCB Laminate
Highleap offers a range of F4B-derived PCB laminates to meet your specific electrical and mechanical performance requirements. Each variant is designed for advanced microwave PCB design, RF signal stability, and thermal reliability.
- F4BK-1/2: Enhanced dielectric range and electrical performance over F4B series.
- F4BM-1/2: Lower dielectric loss, increased resistance, and improved performance stability.
- F4BMX-1/2: Imported glass fabric ensures excellent consistency in all laminate properties.
- F4BME-1/2: Optimized for passive intermodulation performance and dielectric reliability.
- F4BT-1/2: Ceramic-filled PTFE laminate with higher Dk, ideal for circuit miniaturization and heat dissipation.
- F4BDZ294: Planar resistor copper-clad Teflon laminate, ideal for radar and antenna systems.
- F4B-1/AL(Cu): Metal-based Teflon laminate with aluminum/copper backing, optimized for high thermal conductivity.
These advanced high-permittivity Teflon woven glass fabric copper-clad laminates ensure precise impedance control and are widely used in radar, GPS, phased array antennas, and RF amplifier boards.
Why Choose Highleap Electronics for F4B PCB Manufacturing & Assembly
As a leading PCB manufacturing and assembly factory based in China, Highleap Electronics brings over 15 years of experience in RF PCB and microwave PCB production. Our engineering team ensures strict quality control and high-frequency material expertise across every PCB layer and via structure.
From F4B PCB fabrication to one-stop SMT assembly with impedance control, we provide global clients with highly reliable Teflon-based circuit boards for aerospace, radar, communication, and IoT systems.
- Quick turnaround for F4B laminate PCB prototyping
- Advanced multilayer microwave PCB stack-up capabilities
- In-house AOI, X-ray, and impedance testing
- SMT assembly for RF modules and antennas
Contact us today for a fast quote on F4B PCB fabrication or to request free samples for testing.
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