CME375-3-B

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Common Mode Chokes, such as the CME375-3-B, are a type of electronic component designed to mitigate electrical noise in communication and signal processing systems. Common Mode Chokes are used to block or reduce the flow of high frequency signals, while allowing lower frequency ac signals to pass through unaltered.

The CME375-3-B is primarily used in industrial control circuits to reduce the disturbance associated with high impedance sources or long cables. It is designed for use in circuits of 2-20MHz, with an impedance of 375Ω for common mode current and 20Ω for normal mode current. It features multi-winding construction, and shielded special core, and is ideal for signal and data lines.

The working principle behind the CME375-3-B common mode choke is ferrite core impedance. This is because the impedance of the ferrite core increases with frequency. Therefore, the ferrite core is able to attenuate high frequency signals more effectively than low frequency signals. This ensures that only the desired lower frequencies pass through the filter.

The CME375-3-B commonly used in the fields of robotics, avionics, military communications, and industrial control systems. It can also be used in consumer-level applications, such as audio and video systems, where clarity and robustness of signals need to be maintained.

In general, the CME375-3-B is designed for circuits with relatively high impedance, such as long cables of several meters. It can handle a maximum of 20 MHz of frequencies and provide a noise reduction of up to 30 dB. This makes it highly suitable in scenarios where there is significant electrical noise or interference.

The CME375-3-B is an effective solution for reducing the amount of electrical noise present in control systems and datalines. It is highly reliable and robust, and can be depended upon to provide accurate signal transmission over long distances. Furthermore, its small size makes it convenient for use in a variety of applications.

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