7352-H-RC

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Common Mode Chokes

A common mode choke, also known as a common mode filter, is an electrical component used to suppress common mode noise in electrical systems. Common Mode Chokes are commonly used for noise suppression, power quality improvement, signal integrity, and electromagnetic compatibility. The 7352-H-RC is a type of common mode choke that features a unique combination of high impedance and low EMI emissions.

7352-H-RC Application Fields and Working Principle

The 7352-H-RC is mainly used in high power electronic systems, such as motor drivers and switching power supplies, to prevent harmful electromagnetic interference (EMI) from disrupting the system’s operation. It works by creating a high impedance barrier between two lines of type frequencies. This high impedance will effectively block all the common mode noise, while also allowing natural signals to pass through with only minimal attenuation. Additionally, the 7352-H-RC is designed to suppress both differential and common mode noise in applications up to 10MHz in frequency.

The 7352-H-RC is constructed using two windings that are wound on a high permeability core. It is also shielded to reduce EMI emissions, allowing the user to meet restrictive EMI standards and regulations. The two windings of the 7352-H-RC are placed in series with the two lines of type frequencies. When common mode noise on the two lines increases, the increased flux generated by the common mode current is concentrated on the core, increasing the impedance created by the two windings. This rises up to a point where the current in the two lines is cut off, effectively suppressing any common mode noise.

The 7352-H-RC is not suitable for applications that require low differential mode noise suppression, as its only focuses on suppressing common mode noise. Additionally, the 7352-H-RC’s performance will degrade if its operating temperature exceeds its specified limits.

Conclusion

The 7352-H-RC is an ideal solution for suppressing common mode noise in high power electronic systems. Its high impedance and low EMI emissions make it a great choice for applications that require noise suppression without sacrificing signal integrity. Its ease of installation and wide application range make it suitable for use in a variety of applications, such as motor drivers and switching power supplies.

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