0.875-5-CN3190

Adhesive:	Conductive, Single Sided
Material:	Nickel-Copper (NI/CU) Fabric
Series:	CN-3190
Part Status:	Active
Type:	Shielding Sheet
Shape:	Tape
Length:	15' (4.6m) 5 yds
Width:	0.875" (22.23mm)
Thickness - Overall:	0.004" (0.11mm)

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Introduction to RFI and EMI - Shielding and Absorbing Materials

Radio Frequency Interference (RFI) and Electromagnetic Interference (EMI) are forms of energy that can interfere with the signal transmission and reception of electronic devices. RFI is primarily caused by electrical current fluctuations, equipment misinterpreting specific frequencies, or transmitted signal strength. EMI is caused by a combination of external and internal electromagnetic sources, which can cause a wide range of problems. EMI can be generated by electrical machinery, TV antennas, and other transmitting sources, and it can interfere with the operation of electronic components.To protect against interference from RFI and EMI, shielding and absorbing materials can be used. Shielding materials are designed to absorb the EMI energy and reduce interference. These materials can also be used for heat dissipation or electromagnetic suppression. Absorbing materials are designed to absorb EMI radiation and convert it to thermal energy.

0.875-5-CN3190 Application Field and Working Principle

The 0.875-5-CN3190 is an anti-static film designed for use in RFI and EMI shielding applications. The 0.875-5-CN3190 is a low-noise film with a low-reflection rating, making it ideal for shielding against RFI and EMI radiation. The film has a static dissipative, non-track polycarbonate sheet with a metalized surface, providing excellent electrical conductivity. The film also has a metalized surface that provides an excellent barrier against the entry of water vapor, dust, and other environmental contaminants. The film\'s surface has an abrasion resistant coating that helps to protect the film from scratches and other types of damage.The 0.875-5-CN3190 film can be used in a variety of applications, such as in shielded electronic enclosures, for lightning and transient protection, and for shielding of cables. The film can be used as part of an EMI shielding gasket system and to help reduce radiated emissions from computer and telecommunications equipment. Additionally, the film can be used to protect aircraft and countermeasure systems, cars, trains, ships, and other military or commercial applications.The working principle of the 0.875-5-CN3190 film is based on its ability to absorb, reflect, and attenuate EMI radiation. The film absorbs incident electromagnetic energy and dissipates it as heat. The reflected wave is blocked by the film\'s physical barrier, and the film\'s high thermal conductivity dissipates the absorbed energy quickly. The film also attenuates the incident signal by reducing the frequency of the radiation. This results in reduced radiated emissions and improved overall system performance.

Conclusion

The 0.875-5-CN3190 film is a flexible, shielding and absorbing material designed for use in a variety of applications, such as electronic housings, cable shielding, and electromagnetic suppression. The film is composed of a low-noise, low-reflection, static dissipative polycarbonate sheet material, and it has a metalized surface that provides excellent electrical conductivity and a barrier against environmental contaminants. The film also provides excellent shielding against RFI and EMI radiation and is able to absorb and attenuate incident signal frequencies. The 0.875-5-CN3190 is an ideal material for use in a variety of applications where protection from RFI and EMI radiation is critical.

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