3M CN3190 1.5" X 5"-100

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RFI and EMI Shielding and Absorbing Materials play an essential role in protecting the delicate electronic components from the interference of electromagnetic radiation and disruption from external sources. The use of different kinds of materials with different properties, such as 3M CN3190 1.5" X 5"-100 RFI shielding and absorbing material, can help ensure the stability and quality of the electronic product with regards to its performance.

Application Field

3M CN3190 1.5" X 5"-100 RFI shielding and absorbing material is developed for shielding and absorbing the electromagnetic interference that can affect radios, radar systems and telecommunication systems as well as computers, servers, switches, routers and other electronic machines. Besides, CN3190 is well-suited for any situation in which noise or signal impedance has to be reduced or sound dampened. With noises and signal interferrences becoming increasingly powerful every day, use of CN3190 continues to be on the rise as a defence against such interferences.

Working Principle

3M CN3190 1.5" X 5"-100 RFI shielding and absorbing material is a unique foil tape composed of two pieces of all-metal foil, aluminum foil and copper-clad aluminum with adhesive substances at both their surfaces. The aluminum metal in the middle of two pieces of foil tape provides the highest levels of shielding efficacy of up to 95.5 dB at 1 GHz. The copper-clad aluminum layer acts as synthetic conductive layer which is able to absorbe unwanted interferences, while the adherent offer a robust connection between the aluminum metal and electronic devices such as connector, batteries and coaxial cable.

The uniqueness of this product is its unparalleled resistance against abrasion and solvents. It is also known for its heat resistance property which can withstand higher temperatures than many other similar RFI Shielding and Absorbing Materials. Furthermore, the copper-clad aluminum layer has a low electrical resistivity only 5 times that of pure copper, which allows the current to disperse well in the copper during contact.

Conclusion

This article has given a brief overview of 3M CN3190 1.5" X 5"-100 RFI shielding and absorbing material and its application field and working principle. The use of 3M CN3190 can effectively protect delicate electronic components from the interference of electromagnetic radiation and disruption from external sources. Therefore, it is definitely a better option when it comes to RFI and EMI Shielding and Absorbing Materials.

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