3/4-6-1182

Series:	1182
Part Status:	Active
Type:	Shielding Tape
Shape:	--
Length:	18.000' (5.50m)
Width:	0.750" (19.10mm)
Thickness - Overall:	0.004" (0.09mm)
Operating Temperature:	--
Adhesive:	Conductive, Double Sided
Material:	Copper Foil

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RFI and EMI - Shielding and Absorbing Materials

Radio Frequency Interference (RFI) and Electromagnetic Interference (EMI) have been part of the world since the discovery of radio waves, although they have had more of an effect since the advent of the Information Age and the proliferation of wireless products and technologies. Therefore, it is important to understand RFI and EMI and how they are managed through the use of shielding and absorbing materials.Shielding, also known as “conductive shielding”, is a method of preventing the transmission of radio frequencies from one point to another. By using a conductive material, such as aluminum foil, copper, or steel, a “wall” is created to prevent the RF signals from passing through. The material is then placed in an enclosure to complete the shield.Absorbing, also known as “ferrites”, is a method of reducing or eliminating the presence of radio frequencies through the use of materials that have magnetic permeability. A ferrite material is placed between or around components in a circuit and absorbs RF energy rather than reflecting it back into the circuit, thus reducing interference.In the application field of 3/4-6-1182, shielding and absorbing materials are used to provide the best possible protection for sensitive devices. For example, 3/4-6-1182 can be used to shield electrical sensors from high levels of RF interference and to protect against EMI generated from cell phones and other radio emitters. It can also be used to protect components from interference due to ground loops, circuits that have too much impedance, or wire runs that have too much length.When the shielding material is used in an enclosure, it is important to ensure its integrity. This means that all seams and joints must be properly sealed with RF gaskets or adhesive to protect against any gaps or openings in the shield. Also, care must be taken to keep the enclosure from coming into contact with other objects or structures that can interfere with the RFI shielding.The working principle of 3/4-6-1182 is similar to that of other electromagnetic shielding materials. It uses a layered design with a two-part substrate made up of a thin metal layer and a dielectric support layer. The metal layer is designed to reflect, distribute, and then block different frequencies of RF energy, while the dielectric layer absorbs and dissipates any RF signals that have passed through the shield.Overall, 3/4-6-1182 is a viable option for shielding and absorbing RF and EMI energy. It provides an almost perfect combination of shielding and absorption capabilities, along with being easy to install and maintain in most applications. As with any shielding material, it is important to use it in accordance with local regulation and to ensure all seams and joints are properly sealed. With these measures in place, 3/4-6-1182 will ensure effective protection against RFI and EMI generated from sources within its reach, making it an ideal shielding and absorbing material for a variety of applications.

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