DKIL-0331-2001

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Common Mode Chokes are a type of commutated inductive device that can be used in electrical circuits to block high frequency noise between the power supply and ground. DKIL-0331-2001 (DKIL-0331-2001) is a widely used example of this kind of technology. It is used in a variety of applications.

The DKIL-0331-2001 application field is mainly concerned with reducing electromagnetic interference in telecommunications systems. Due to its excellent characteristics, this type of inductor has also been increasingly adopted in sectors such as automotive, industrial, and lighting. In addition, it has applications in noise immunity, energy conversion, RF switching, data transmission, and DC-DC conversion.

The working principle of DKIL-0331-2001 is based on the concept of current flow through a closed loop of wire. When current passes through this loop, the inductor stores energy in the form of a magnetic field. This stored energy dissipates when the current is removed from the loop, resulting in a lower impedance path. This low impedance is the result of the inductor acting as a low-pass filter, which limits the amount of high-frequency noise that can pass through the power supply and ground.

The DKIL-0331-2001 works in both the differentially and common mode forms of operation. In the differentially mode, the current passes through both legs of the loop simultaneously, producing a balanced magnetic field. On the other hand, in the common mode, the current passes through only one leg, resulting in an unbalanced magnetic field. The inductor acts as a filter, blocking high frequency signals and diverting them to the ground.

DKIL-0331-2001 also has excellent self-heat dissipation and temperature rise property, making it more suitable for long-term operation. Its high permeability values (>100) significantly reduce the core loss, and its high insulation resistance between each turn ensures a low DC resistance. The inductance of this type of product ranges from 0.1µH to 1.2mH, meeting the requirements of low frequency applications.

For power safety considerations, DKIL-0331-2001 consists of two loop systems designed to absorb common mode noise. The two loops are orthogonal to each other and the corner of the loop is processed to reduce losses due to current eddy. This helps to ensure an increased isolation between the primary and secondary sides, providing better suppression of noise caused by unwanted high frequency signals. The two loops of the DKIL-0331-2001 are also designed with a special shape to efficiently concentrate the applied magnetic field.

In conclusion, DKIL-0331-2001 is a widely used common mode choke which is designed to reduce EMI in different types of circuits. It has excellent properties such as high permeability and insulation resistance, as well as two loop systems for better absorption of common mode noise. This type of inductor can also be used in wide range of applications, thanks to its excellent self-heat dissipation and temperature rise performance.

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