7356-V-RC

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Common Mode Chokes (CMC) are a type of electromechanical device used to provide electromagnetic shielding against the transmission of high-frequency signals. They are also referred to as common mode filters, common mode noise suppressors, or differential mode noise suppressors. CMCs are widely used for noise suppression in power, signal and data communications lines, especially for applications that require high transmission bandwidths, such as EDGE and LTE. The goal of using a CMC is to reduce natural electromagnetic radiation emitted by the system that can interfere with other systems.

7356-V-RC is an example of a CMC that is used to reduce common-mode noise in high-speed communication systems. It is optimized to provide noise control in wide band level applications, particularly in automotive systems such as CAN bus connections. The 7356-V-RC utilizes three components to provide superior attenuation: an etched core, a ferrite material, and a shield.

The etched core on the 7356-V-RC is designed to be thin in order to reduce its impedance. This reduces the path of the high-frequency signal while still providing effective attenuation. The ferrite material used in the CMC provides a high magnetic permeability and an inductance to the CMC. The inductance acts to increase the passband impedance offered by the CMC, thus providing better noise attenuation. The shield provides additional shielding against electromagnetic interference and noise from outside sources, as well as reducing the EMC field between two systems.

7356-V-RC’s working principle is based on Faraday shielding, which works by inducing a current in the CMC that cancels out the external electromagnetic field. This creates a Faraday shield that deflects any unwanted electronic signals from entering the system. The amount of current induced in the CMC depends on the amount of noise present and the size of the CMC. Larger CMCs have higher inductance, providing more impedance and better noise control.

In conclusion, 7356-V-RC is an example of a CMC used to reduce common-mode noise in high-speed communication systems. It utilizes three components to provide superior attenuation – an etched core, a ferrite material, and a shield. The working principle of the 7356-V-RC is based on Faraday shielding, which induces a current to cancel out the electromagnetic field. This provides superior protection against EMI and RFI from external sources.

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