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Home Videos RT/duroid 5870 High Frequency Printed Circuit Board

RT/duroid 5870 High Frequency Printed Circuit Board

  • August 22, 2022

There ia an episode about high frequency PCB built on RT/duroid 5870 laminates.


RT/duroid 5870 is glass microfiber reinforced PTFE composite of Rogers Corporation, which is designed for exacting stripline and microstrip circuit applications.


There’re some reasonsfor using RT/duroid 5870 material.


The first one is lowest electrical loss among reinforced PTFE materials. RT/duroid 5870 has a low dielectric constant of 2.33 and 0.0012 low dissipation factortestedat 10Ghz. Its low dissipation factor extends the usefulness to Ku-band and above.


The next is low moistureabsorption.Since it’s PTFE properties, it doesn’t absorb water,the moisture absorption is as low as 0.02%.It’s ideal materials for high moisture environments.


Thirdly, the randomly oriented microfibers result in exceptional dielectric constant uniformity. The DK is uniform from panel to panel and is constant over a wide frequency range.


Lastly,It is isotropic and designed for microstrip and stripline applications.


RT/duroid 5870 PCBs offer high frequency with low dielectric constant loss. They are well suited forhigh frequency/broadband applicationswhere dispersion and losses need to be minimized.


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