7427214

Series:	WE-FLAT
Part Status:	Active
Type:	Flat
Design:	Solid
Impedance @ Frequency:	66 Ohm @ 100MHz
Material:	3W800
Inner Dimension:	1.574" W x 0.051" H (40.00mm x 1.30mm)
Outer Dimension:	1.779" W x 0.255" H (45.20mm x 6.50mm)
Ratings:	--
Mounting Type:	Free Hanging
Length:	0.472" (12.00mm)

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Ferrite Cores - Cables and Wiring

Ferrite cores play an important role in the construction and protection of cables and wiring in multiple applications. As miniature, powerful magnetic blocks, ferrite cores form an effective barrier to electromagnetic interference (EMI) and radio-frequency interference (RFI).Let’s look at the 7427214 application field and working principle of ferrite cores.

Applications of Ferrite Cores

Ferrite cores are widely used in communications, audio, and control systems to protect cables and wires from electrical and electromagnetic interference (EMI/RFI). In today’s world, there are many different types of EMI and RFI sources that can significantly influence signal strength and quality. Ferrite cores are used to provide shielding from these sources, providing protection from interference.This product is also used in industrial systems, robotics, and engineering applications. They are used to provide reliable shielding from the high voltage and high frequency fields generated by heavy industrial machinery. In robotics, they can be used to protect cables and wires from the surges and frequency variations caused by motors and servos. In engineering, they can be used to control the amount of energy flowing through a circuit, ensuring maximum efficiency and reliability.

Working Principle of Ferrite Cores

A ferrite core is essentially a combination of a ferromagnetic material and a permanent magnet. The core is composed of two parts: a ferrite outer shell and a core made from rare earth elements such as neodymium or samarium cobalt.The ferrite shell creates a magnetic field around the core. This field is used to protect the core from EMI and RFI. The permanent magnet helps to focus and shape the magnetic field, reducing the amount of energy that can pass through the core. The focused magnetic field acts as a shield, absorbing EMI and RFI and reducing their effects.Typically, ferrite cores are constructed in two or three layers. The outer layer consists of a ferrite material, while the inner layer consists of the magnet. The inner layer is often made of a higher-grade ferrite or a mixture of different materials, such as neodymium. Depending on the application, different types of ferrite and permanent magnet can be used to achieve the desired level of shielding.

Conclusion

Ferrite cores are a powerful, reliable way to protect cables and wires from EMI, RFI, and other forms of interference. They are used in a wide range of industrial and consumer applications, from communications and audio applications to robotics and industrial systems. By creating a magnetic field around the core, ferrite cores effectively shield cables and wires from electrical and electromagnetic interference. The focused magnetic field of ferrite cores is tuned to reduce the amount of energy that can pass through the core, providing effective protection from EMI and RFI.

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