3M CN3190 0.5" X 5"-250

Series:	CN-3190
Part Status:	Active
Type:	Shielding Sheet
Shape:	Rectangular
Length:	5.000" (127.00mm)
Width:	0.500" (12.70mm)
Thickness - Overall:	0.004" (0.11mm)
Adhesive:	Conductive, Single Sided
Material:	Nickel-Copper (NI/CU) Fabric

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RFI and EMI - Shielding and Absorbing Materials

3M CN3190 0.5" X 5"–250 is an EMI/RFI shielding and absorbing material widely used in today’s global markets. This particular material offers an effective broadband frequency range from 10kHz to 6GHz including optimal attenuation at 18GHz. 3M developed this material to be able to be used for various areas like automotive, consumer and industrial electronics.

EMI stands for Electromagnetic Interference and is the result of random radiation of electromagnetic field. This often results in distortion in the frequencies being transmitted in the network. RFI stands for Radio Frequency Interference and is related to EMI however rather than being transmitted randomly, the radio waves are transmitted and amplified through an antenna.

3M CN3190 0.5" X 5"–250 Shielding and Absorbing Material was designed to provide an optimal solution to reduce the amount of interference caused by these EMI and RFI waves. It is an effective EMI/RFI attenuator that works with high efficiency across a wide range of electromagnetic frequencies.The core of the 3M CN3190 0.5" X 5"–250 is an aluminum based shielding surface. This aluminum surface is then coated with both an absorptive layer and a conductive layer. The absorptive layer helps to absorb unwanted EMI and RF interference while the conductive layer works to dissipate it away. This combination creates a faraday cage like effect which in turn prevents incoming EMI and RFI from affecting the performance of whatever optical components are connected to the shield.

The 3M CN3190 0.5" X 5"–250 is also known for being able to handle even the highest of levels of EMI and RFI radiation. This means that it can effectively reduce the amount of interference from EMI and RFI sources such as cellular phones, radios, and broadcast signals. In addition, the materials are also extremely durable and are able to work in a wide range of temperatures and environments.

In conclusion, 3M CN3190 0.5" X 5"–250 Shielding and Absorbing Material provides an efficient and cost effective solution for reducing EMI and RFI interference. Its combination of an aluminum surface coated with an absorptive and conductive layer provides excellent protection from incoming EMI and RFI waves while also being durable enough to endure a wide range of temperatures and environments. It is an ideal choice for any electronic applications that require a reliable EMI or RFI shield.

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