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20 mil RO4003C PCB
20 mil RO4003C PCB
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Looking for Reliable PTFE PCBs? What Makes F4BM PCB Stand Out?

  • July 04. 2025

Looking for Reliable PTFE PCBs? What makes F4BM PCB Stand Out?


Brief introduction

Wangling F4BM high frequency materials are PTFE glass fiber cloth copper clad laminates that combine glass fiber cloth,PTFE resin, andPTFE film through a meticulous manufacturing process.


These F4BM series laminates offer improved electrical performance compared to F4B due to their wider range of dielectric constants, low dielectric loss, increased insulation resistance, and enhanced stability. Consequently, they can serve as replacements for similar foreign products.


F4BM iscladded with forward-rotating ED copper foil, making it suitable for applications without PIM (Passive Intermodulation) concerns.


Features


 F4BM Features


You have the flexibility to choose from a range of DK (dielectric constant) options spanning from 2.17 to 3.0.


The DF (dissipation factor) falls within the range of 0.001 to 0.0018.


There is a wide selection of thickness options to accommodate your specific requirements and the availability of diverse sizes allows for cost savings.


All these characteristics make it well-suited for commercial applications, large-scale production, and cost-effectiveness.



PCB Capability


 F4BM PCB Capability


Our comprehensive PCBmanufacturing capabilities cover a wide range of aspects.


Wecanprovide Single Sided, Double Sided, Multilayer, and Hybrid PCBs to meet your specific needs.


You have the flexibility to choose from copper weights of 1oz (35µm) and 2oz (70µm) for your PCBs.


Additionally, we offer a variety of dielectric thickness options, ranging from 0.8mm to 12.0mm, including specific measurements such as 1.524mm and 1.575mm.


Our capabilities extend to PCB sizes up to 400mm X 500mm, ensuring we can accommodate your size requirements.


To customize the appearance of your PCBs, we provide a selection of solder mask colors, including Green, Black, Blue, Yellow, Red, and more.


Furthermore, we offer multiple surface finish options, such as Bare copper, HASL, ENIG, Immersion silver, Immersion tin, OSP, Pure gold, ENEPIG, and more.


Applications


F4BM high frequency PCB


F4BM high frequency PCB finds it’s wide range of applications, such as phase shifter, passive device, power divider, coupler, combiner, feed network, phased array antenna, satellite communications, base station antenna and radar etc.



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