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20 mil RO4003C PCB
20 mil RO4003C PCB

Rogers 3210 Material PCB

  • March 14. 2023

Rogers 3210 Material PCB

Today, our topic is about an extension material of Rogers RO3000 series that has one distinguishing characteristic: enhanced mechanical stability. That is RO3210 high frequency PCB, which is the feature product today.

RO3210 high frequency circuit materials are ceramic-filled laminates reinforced with woven fiberglass. They are engineered to offer exceptional electrical performance and improved mechanical stability at competitive prices.

Rogers 3210 PCB DK DF

To begin with, let’s look at the data sheet of RO3210 materials.

RO3210 is a high DK material with a vale of 10.2 and a dissipation factor of .0027 at 10 GHz and 23 ℃. Its dielectric constant and dissipation factor are tightly controlled to a tolerance shown here.

The next one is thermal coefficient of dielectric constant (TCDk). TCDk is a property that all materials have and it describes how much the Dk of the material will change with a change in temperature. Some materials are better another is worse. Basically, TCDk values less than |50| ppm/℃ as considered good and with being 0 ppm/℃would be ideal, that is to say DK does not alter with a change in temperature.

Back to the TCDk of RO3210, -459 ppm/℃,actually this is a poor TCDk. RO3210 will not be taken into consideration when a circuit board must be installed in highly temperature-varying environments, for example in automotive electronics or 5G base stations.

Volume resistivity and surface resistivity are actually good. Those are excellent in the range of most of printed circuit board materials.

Water absorption of less than 0.1% is a really big deal, because no matter how good the RF properties of the material are, if the moisture absorption is not good, then as the PCB behaves and performs in the different environments, different humidity can absorb or release this moisture and that different moisture causes a difference in dielectric constant and dissipation factor. So this moisture absorption is set less than 0.1%, which is regarded extremely good.

The specific heat value is 0.79 J/g/K. Water has a specific heat of 4.186 J/g/K, copper has 0.385 J/g/K, and lead 0.128 J/g/K. The thermal conductivity is 0.81 W/mK, which is acceptable.

Coefficient of thermal expansion (-55 to 288 °C) exhibits low in-plane expansion coefficient, 13 ppm/°C in X and Y direction, similar to copper, making it suitable for use with epoxy multi-layer board hybrid designs and allowing for more reliable surface mounted assemblies.

The decomposition temperature exceeds 500 °C, and the density is 3 gm/cm3 .

It’s an off-white colour.

It complies with UL-94V0 flammability and is lead free and environmentally friendly.

For Rogers 3210 PCBs, we can provide you with single layer board, double layer board, multi-layer board and hybrid types.

RO3210 PCBs are typically available in two thicknesses for our application: 25 mils and 50 mils. Finished copper on track lines can be 1oz, 2oz or 3oz.

Our maximum PCB size on high frequency materials is 400mm by 500mm, which can be a single board in the sheet or multiple designs in this panel.

Solder masks in green, black, blue, and yellow etc. are available in the house. Surface pads are available in immersion gold, HASL, immersion silver, immersion tin, and OSP etc.

There is a 25mil RO3210 material double sided PCB with immersion gold, no solder mask, and no silkscreen.

 25 mil Rogers 3210 PCB

RO3210 PCBs are commonly utilized in automotive collision avoidance systems, automotive global positioning satellite antennas, base station infrastructure, direct broadcast satellite and Wireless telecommunications systems etc.

RO3210 high frequency boards combine the surface smoothness of a non-woven PTFE circuit with the rigidity of a woven-glass PTFE board. The manufacturing process of RO3210 high frequency PCB is similar to standard PTFE circuit board processing techniques.

Thank you for your watching. Should you have any questions, please feel free to contact us.

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