4-6-1267

Series:	1267
Part Status:	Active
Type:	Shielding Tape
Shape:	--
Length:	18.000' (5.50m)
Width:	4.000" (101.60mm)
Thickness - Overall:	0.005" (0.13mm)
Operating Temperature:	--
Adhesive:	Non-Conductive, Single Sided
Material:	Embossed Aluminum Foil

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Introduction: RFI and EMI - Shielding and Absorbing Materials are essential components of any electronic system. In today’s world, where both electromagnetism and radio frequency (RF) have become part of everyday life, these materials are increasingly used to create shielding systems that protect electronic components from interference and attenuate both radiated and conducted signals.One type of material that is widely used in RF shielding and absorption applications is 4-6-1267. This material, composed mainly of iron particles, is a ferrite material with excellent electrical properties and is highly effective in providing shielding from both electromagnetic interference (EMI) and radio frequency interference (RFI).Overview of Application Field and Working Principle 4-6-1267 has a wide range of applications in the field of EMI and RFI shielding and absorption. Common applications of 4-6-1267 include creating shielding enclosures for communication systems, shielding of cable and connectors, and shielding of wireless devices. The material can also be used to absorb and attenuate high-frequency signals, which makes it an ideal choice for applications where one or more signals must be isolated, such as in military or medical settings.When used as an RF shield, 4-6-1267 acts by reflecting the incoming high-frequency signals and thus preventing them from reaching the component being shielded. It can also be used to absorb the energy of incoming signals, thus attenuating them and making them more manageable. Further, 4-6-1267 can be used to construct Faraday cages, which act by issuing an electrical field that prevents the propagation of RF signals, thus providing absolute immunity from external interference.Physicochemical Properties 4-6-1267 has excellent physical and chemical properties that make it an ideal choice for EMI and RFI shielding and absorption applications. Physically, 4-6-1267 is a grey to light brown material with a low density and a dielectric constant of 1.6. This combination of characteristics makes it highly receptive to external signals and allows it to effectively absorb and reflect the signals, providing excellent shielding.The material also has excellent chemical properties that allow it to resist corrosion and withstand harsh environmental and chemical conditions. Its high melting point of 1380°C and low thermal conductivity make it well-suited for use in temperature-sensitive applications, such as the shielding of electronic components.Advantages and Disadvantages 4-6-1267 is an excellent choice for RF and EMI shielding and absorption applications due to its combination of excellent electrical, physical and chemical properties. Its ability to absorb high-frequency signals, combined with its low density and relatively low cost, make it an ideal choice for a wide range of applications.However, there are some drawbacks to using 4-6-1267 for EMI and RFI shielding and absorption. The material is not very effective at attenuating signals below a certain frequency, and its low thermal conductivity makes it difficult to dissipate heat from the components being shielded. Additionally, the material is not recommended for use in high-temperature applications, as it may become brittle and crack.Conclusion 4-6-1267 is an excellent choice for EMI and RFI shielding and absorption applications, due to its combination of excellent electrical, physical and chemical properties. The material is easy to handle and is relatively inexpensive, making it a viable choice for a wide range of applications. However, it is important to keep in mind the material’s limitations, such as its low efficiency in shielding signals below a certain frequency range, and its potential brittleness at high temperatures.

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