7427803

Series:	WE-FLAT, PCB
Part Status:	Active
Type:	Flat
Design:	Solid
Impedance @ Frequency:	66 Ohm @ 100MHz
Material:	4W620
Inner Dimension:	1.062" W x 0.019" H (27.00mm x 0.50mm)
Outer Dimension:	1.220" W x 0.197" H (31.00mm x 5.00mm)
Ratings:	--
Mounting Type:	Free Hanging
Length:	0.472" (12.00mm)

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Ferrite Cores - Cables and Wiring

Ferrite cores are components used in cables and wiring for a variety of applications. They come in various shapes and sizes, allowing the user to select the most appropriate part that meets their needs. The purpose of a ferrite core is to provide electrical isolation between cables and the surrounding environment. The core can also provide protection from electromagnetic interference (EMI), and RF shielding.The most common type of ferrite core is a toroidal core. This design consists of a circular core with two wires going through it. The two wires carry current in opposite directions, leading to opposite electrical fields. The resulting effect is that the passing current produces a magnetic field which is contained within the core.The core itself is typically composed of an iron alloy, such as permalloy. This type of alloy has high permeability, meaning that the magnetic flux created by the current in the conducting wires is mostly contained in the core, rather than radiating out into the environment. This makes them perfect for EMI and RF shielding applications.The application of ferrite cores is not limited to cables and wiring. They are also used in all sorts of antennae, transformers, and other electromagnetic devices. In some cases, it is possible to use a ferrite core as a sort of frequency-dependent filter; by using two separate cores with differing electrical properties, it is possible to select only certain frequencies of radio waves to be transmitted or received.Ferrite cores come in different values, determined by their permeability. The permeability of a given core will indicate how well it shields the environment from the magnetic fields produced by cables and wiring. For applications that require high levels of shielding, cores with higher permeability values are often recommended.For some applications, the magnetic field created by the ferrite core can be used to reduce noise or interference. When a ferrite core is placed near a source of noise, such as a computer monitor, it is possible to reduce the level of the noise that is emitted. This can be useful for a variety of applications, such as noise cancelling headphones.In addition to their use in cables and wiring, ferrite cores can also be used in a range of electrical and electronic designs. When two or more ferrite cores are joined together, they form a coil, a device that can be used to amplify or control electric current. By connecting coils of differing inductance values, a range of electrical parameters such as voltage, impedance, frequency response, and other characteristics can be altered. Ferrite cores can therefore play a key role in the development of a variety of electronic products.Overall, ferrite cores play a critical role in a range of applications where electrical isolation, shielding, or signal amplification is needed. By considering the characteristics of a ferrite core and understanding the application it is intended for, it is possible to choose the most appropriate part for a given product. Cables and wiring are just one of the many areas in which ferrite cores can prove essential.

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