CA28B0642

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Ferrite Cores - Cables and Wiring

CA28B0642 ferrite cores are small, cylindrical magnetic cores used in many electronic devices. They are made from a ferromagnetic material, such as iron, and are often used to reduce or eliminate electromagnetic interference (EMI) between electronic components or from external sources.

Application fields

CA28B0642 ferrite cores are used in a variety of applications, including the shielding and filtering of high-frequency signals in electronic circuits, in antennas to reduce interference, and in medical devices, such as MRI scanners. The cores are also used to reduce signal losses in communication cables and reduce ringing in radio frequency cables.

In addition, CA28B0642 ferrite cores are used in consumer electronics, such as laptops and smartphones, to reduce electrical noise. They are also used in power supply units to reduce the magnetic field emitted from the device.

Working principle

CA28B0642 ferrite cores work by providing an inductive loop in an electrical circuit. When a current passes through the core, it produces a magnetic field. This magnetic field prevents external interference by reducing the amplitude of the interfering signal and reducing the induced electrical noise.

The frequency range over which the core is effective is determined by the size and material of the core, as well as its geometry. The cores can be tuned to filter out specific frequencies, or they can be used with multiple layers of different frequencies to provide a broader range of filtering.

In addition, CA28B0642 ferrite cores also provide electrical isolation in a circuit, which helps to reduce the risk of electrical shocks. They can also be used as resistors to reduce the current flowing through a circuit.

Conclusion

CA28B0642 ferrite cores are a versatile and widely used type of magnetic core used in many electronics applications. They are used to reduce interference and signal losses, as well as for electrical isolation and current reduction. They are effective over a wide range of frequencies, and can be tuned to filter out specific frequencies. By using multiple layers of ferrite cores with different frequencies, a broad range of filtering can be achieved.

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