7427801

Series:	WE-FLAT, PCB
Part Status:	Active
Type:	Flat
Design:	Solid
Impedance @ Frequency:	79 Ohm @ 100MHz
Material:	4W620
Inner Dimension:	0.452" W x 0.019" H (11.50mm x 0.50mm)
Outer Dimension:	0.630" W x 0.197" H (16.00mm x 5.00mm)
Ratings:	--
Mounting Type:	Free Hanging
Length:	0.472" (12.00mm)

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Ferrite Cores - Cables and Wiring

There is a wide variety of materials and equipment that use Ferrite cores as components, from communication cables to industrial wiring and more. Ferrite cores provide the required electrical isolation in these applications, limiting noise induced into the cables and wires.Ferrite cores come in a variety of shapes and sizes, with the most commonly used core size being 7427801. This core size is the integrated part of many high speedy hardware systems like computers, servers, networking equipment and different kinds of communication systems and equipment. Generally, the performance of these systems highly depends on the ferrite core’s ability to limit radiation and the amount of electromagnetic interference.

Application Field

Ferrite cores are not only used in high-speed hardware, they are also used in radiofrequency transmission, electromechanical devices, magnetic components, and waveguide systems. Such systems often require greater electrical isolation than what is possible with other materials, and that’s where ferrite cores come into play.In communication cables, ferrite cores are used to shield the cables from external electrical interference and reduce crosstalk, resulting in better signal integrity. By placing the ferrite core near the conductor of the cable, external electromagnetic radiation is absorbed so that only the required signal can be transmitted.Apart from communication cables, ferrite cores are also used in industrial wiring like micro-electronic assemblies and machines, automated industrial control systems and sensing modules.

Working Principle

Ferrite cores are made of a ferromagnetic material that is highly effective in absorbing and dissipating electromagnetic interference, EMI. They are also known as EMI absorbers or decoupling cores.The EMI absorbed by the Ferrite core is converted into heat which is then dissipated through the core\'s surface. This has the effect of reducing interference levels in the cable or wire.Ferrite cores are available in different shapes to accommodate multiple configurations, with the 7427801 size being the most commonly used. The different shapes enable the cores to be placed in confined spaces and protect the wires and cables from interference in the most efficient way.The core is normally attached to the cable by crimping, soldering or clamping. As the core gets placed over the cable, a magnetic field is created from the current flowing through the cable that is absorbed by the core, thus reducing the EMI entering or leaving the cable.

Conclusion

Ferrite cores are an essential component in many electronics and communication systems. Built for maximum functionality and efficiency, the 7427801 size Ferrite cores are capable of cutting down Electromagnetic interference significantly and thereby improving the performance of the system.

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