CM6149-155

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Common Mode Chokes refer to coil components, also known as differential mode inductance. It is suitable for EMI filtering in applications such as power supply lines, signal lines, and audio frequency lines. It has two components and filters out common mode interference. It is divided into wire type common mode choke and flat wire type common mode choke, and this article will focus on the working principle of CM6149-155 flat wire type common mode choke.

The structure of CM6149-155 flat wire type common mode choke is a flat type structure, which is a flat wire formed by a flat wire spiral winding. It has the advantages of high temperature resistance, small size, wide frequency range, good permittivity, and strong shielding effect. The working process of the CM6149-155 flat wire type common mode choke is that it can realize EMI through the self-resonant frequency of the differential mode coil and the low pass filter effect of the differential mode inductor, so as to achieve EMI performance.

The application field of CM6149-155 flat wire type common mode choke mainly includes the fields of telecommunications, power supplies, audio frequency, mobile phones, computers and other electronic equipment. It is suitable for high frequency signal lines (including differential lines) and power supply lines. It can be used as EMC filter, DC power line filter and EMI noise suppression in these fields. It can also be used to effectively suppress common mode interference in the whole system due to the low pass filter effect of the differential mode inductor.

The working principle of CM6149-155 flat wire type common mode choke is that it has two components to filter out common mode interference. The core works through the self-resonant frequency of the differential mode coil and the low-pass filter effect of the differential mode inductor, and the flat wire spiral winding forms an inductive current path, which can effectively reduce the noise current generated by the interference field. In addition, the flat wire is sealed on both sides with insulating material, ensuring no leakage when the current passes, and improving the shielding effect and anti-interference effect.

The common mode choke is an important component of the filter in the system. It has strong anti-interference ability, small size and low cost. CM6149-155 flat wire type common mode choke has widely application fields and relatively mature working principle, which can be used in power supply, signal and audio frequency line electromagnetic interference. This article analyzes the application field and working principle of CM6149-155 flat wire type common mode choke, providing an in-depth understanding of the common mode choke and how it works.

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