DFKH-31-0003

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Common Mode Chokes, also known as CM chokes, are usually composed of coils, inductors and other components. They are used to reduce electromagnetic interference (EMI) caused by the environment or the adjacent components. The DFKH-31-0003 common mode choke is a type of commonly used EMI filtering component that responds to frequencies over the audio range. It is a three-section shape with an inner conductor, an outer conductor and a current-carrying core.

The working principle of the DFKH-31-0003 is based on magnetic shielding. Magnetic shielding refers to the properties of the structure, which limits the external magnetic fields from entering the enclosed area. In the case of the DFKH-31-0003, this is done by creating an "electromagnetic shield" around the adjacent components. This shield is created by the relative positioning of the inner and outer conductors in the choke. The inner conductor is positioned in a "reflection-resonant" configuration, and it reflects the incoming electromagnetic field back inwards to cancel out the electromagnetic field inside the enclosure. This reduces the amount of EMI that reaches the adjacent components.

The DFKH-31-0003 can be used in a wide range of applications. It is often used in power line noise and broadband radio frequency noise attenuation, H-Field noise suppression for DC/AC converters, signal line filters for many different systems, and signal line applications where high-frequency noise interference needs to be suppressed. With its wide application field and strong EMI filtering capabilities, the DFKH-31-0003 is a popular choice for many EMI filtering projects.

The DFKH-31-0003 is a reliable, effective EMI filtering component for many different types of projects. Its working principle relies on magnetic shielding and reflection-resonant design to block out noise from the environment and protect adjacent components from interference. It is used in a wide range of applications and is capable of providing effective EMI filtering for many projects.

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