5-1170-3/4-4R

Series:	1170
Part Status:	Active
Type:	Shielding Sheet
Shape:	Rectangular
Length:	4.000" (101.60mm)
Width:	0.750" (19.10mm)
Thickness - Overall:	0.003" (0.08mm)
Operating Temperature:	-40°C ~ 130°C
Adhesive:	Conductive, Single Sided
Material:	Aluminum Foil

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RFI and EMI - Shielding and Absorbing Materials

Electromagnetic interference (EMI) and radio-frequency interference (RFI) are the major sources of signal distortion and interference in hardware, electronics, and other communication systems. To provide reliable and safe operation of electronic system, proper shielding and absorbing materials are required. One of the most popular shielding materials is 5-1170-3/4-4R Carbon-fiber Strip Feathering Paper, which is comprised of a 5-mil (125µm) thick, non-woven combination of 80% graphite (endowing the sheet the black colour) and 20% nickel (rendering it conductive) fibers and treated with an acrylic adhesive. This material has excellent shielding performance and low signal absorption to ensure the desired performance of electronics in a wide range of application areas, from aerospace, automotive, and biomedical, to telecommunications, navigation, and other fields.The working principle of this material lies in the conductive property of the graphite and nickel content, which provides a path that serves to divert, or redirect, interfering signals away from the desired electronic device, and therefore, prevents the interference from entering or exiting the equipment. This creates a Faraday cage, which creates a shield against EMI and RFI. It also has the capability of absorbing electromagnetic wave energy, protecting sensitive upstream electronics. Due to its excellent shielding performance, 5-1170-3/4-4R strip is perfect for protecting all kinds of electronic data systems that are vulnerable to ambient EMI/RFI. It is mainly used for applications such as grounding and signal strapping, wrap-around shielding, and faraday shielding. Its unique combination of electrical properties and high tensile strength ensures superior line-of-site attenuation performance, as well as superior bulk absorption performance, which makes it an ideal choice for such applications. The applications of 5-1170-3/4-4R strip paper extend to high-rise buildings, airport ground radar measurements, broadcasting stations, cellular phone antennas, and other similar communication systems, providing excellent protection against signal disruption and leakage within these systems. It can also be used for medical equipment shielding, industrial control circuits, and other power control equipment, such as air compressors and motors, providing effective interference protection to these critical devices. Additionally, 5-1170-3/4-4R strip paper also offers excellent sound-proofing and insulation protection for residential buildings and other applications which require excellent thermal and environmental protection. It also provides exceptional durability and good adhesion in a variety of conditions, such as high humidity environments.In summary, 5-1170-3/4-4R strip paper provides superior shielding performance and signal absorption, making it an ideal choice for applications needing reliable protection against EMI and RFI in a wide range of areas, from aerospace to telecommunication and more. Its excellent heat and environmental protection, electrical properties, and high-tensile strength make it an attractive choice for many applications.

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