3M AB5020 4.13" X 5"-25

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RFI and EMI shielding and absorbing materials are used for effective protection of electronic circuits against external electromagnetic interference caused by artificial devices or natural phenomena. Electromagnetic interference (EMI) is generated by electric and magnetic fields from wireless equipment, radio transmission, power transmissions, and solid-state components. EMI shielding materials, such as the 3M AB5020 4.13" X 5"-25, are designed to reduce the external EMI effects to safe levels in the surrounding environment.

The 3M AB5020 4.13" X 5"-25 consists of a two layer adhesive-backed film. The bottom layer is made up of aluminum-filled vinyl material which has a high level of EMI attenuation properties. The topmost layer is a polyester backing that provides a thin barrier which further blocks the penetration of RF and EMI radiation from the outside environment to the equipment it is protecting. The combination of the two layers means that the total effective shielding performance reaches eighty percent, providing efficient protection and absorption of RF and EMI radiation.

When installing the film, it is important to remember that most EMI shielding and absorbing materials are not made to block 100 percent of incoming electromagnetic radiation. This means that in order to get an adequate degree of protection, some additional measures have to be taken. Depending on the severity of the external EMI interference, additional layers of materials may have to be added or different configurations of the material used. In order to achieve the desired level of EMI shielding, it is important to make sure that the shielding material is in direct contact with the components that need to be protected.

The 3M AB5020 4.13" X 5"-25 can be used in various applications ranging from industrial, military and commercial, to medical and avionics applications where EMI radiation needs to be blocked. The most common applications include wireless communication systems, computers, power systems, telecommunications and sound production systems, as well as wireless transceiver packages.

Due to the ever-increasing use of electronics, the demand for EMI shielding and absorbing materials is constantly increasing. The 3M AB5020 4.13" X 5"-25 provides excellent shielding performance and is very cost-effective. As such, it is widely used in many applications where effective EMI protection is required.

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