3M CN3490 0.5" X 1"-250

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RFI and EMI are both abbreviations for Radio Frequency Interference and Electromagnetic Interference. They are two forms of interference that can occur between electrical systems, and is caused when one equipment generates an electromagnetic field that can disturb a nearby device. Shielding and absorbing materials can be used to contain and absorb the radiated electromagnetic fields generated by electric or electromagnetic sources, from either contained or distributed sources such as car engines, computers or circuit boards. 3M CN3490 0.5” X 1”-250 is a RFI and EMI Shielding and Absorbing Material that is used for this purpose.

The 3M CN3490 0.5” X 1”-250 RFI and EMI shielding and absorbing material is a two-layer adhesive tape designed to protect electronic devices from data or signal interference. The first layer is a conductive aluminum layer over a black vinyl backing, providing a Faraday cage effect. This layer acts as a foil barrier shield, reflecting electromagnetic fields away from the protected surface. The second layer is an acrylic adhesive which provides a secure and reliable bond. This layer also comes with a release liner on one side for easy application.

The 3M CN3490 0.5” X 1”-250 shielding and absorbing material is designed for use in a wide range of electronic equipment. This includes computers and other electronic devices, as well as automotive electronics, telecoms, aerospace, and military devices. In addition to providing protection from EMI/RFI, this material also offers excellent flame resistance and temperature resistance, making it suitable for a variety of industrial applications.

When properly applied, the 3M CN3490 0.5” X 1”-250 shielding and absorbing material can provide an effective and reliable protection from EMI and RFI. Proper bonding of the conductive adhesive tape is essential, as any gap in the material can create an opening for the interference to leak in. The use of this RFI and EMI shielding and absorbing material can significantly reduce the risks of interference in devices or systems, and can safeguard against data losses and other disruptions that may occur due to these forms of electromagnetic interference.

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