SC-15-200

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Common mode chokes, also known as line filters or EMI filters, are frequently used to suppress electromagnetic interference in signal and power lines. The SC-15-200 line filter is a typical common mode choke, which has wide applications in various industry fields. This article will introduce the applications of this line filter, as well as its working principle.

Applications

The SC-15-200 common mode choke has applications in various electronic equipment, such as radio and television, digital video, loop communication, machine tools, frequency converters, audio systems, medical equipment, lasers, and power controls.

In radio and television industries, the SC-15-200 line filter can filter out common-mode interference currents from radio frequencies, as well as RFI, EMI, power-supply interference and other emissions, to protect broadcast signal integrity and minimize radiated interference.

In digital video devices, the line filter is mainly used to reduce the quantity of differential-mode and common-mode interference on digital video signals, to ensure that the video signals stay stable and clear.

In the loop communication field, the line filter provides the transmission path of the transmission and reception signals, and can suppress electromagnetic interference and crosstalk, to reduce the impact of the noise on the loop communication system.

The line filter also finds important use in machine tools, frequency converters, audio-visual systems, laser systems, medical equipment, and power distribution systems.

Working Principle

The SC-15-200 common mode choke has two windings, which form a closed electromagnetic loop. When the frequency of the current applied to the windings matches the resonance frequency of the filter, the current passing through the windings is equal, and the common mode current is reduced to zero. Thus the choke acts like an impedance, and it can block or reduce large common-mode currents, while allowing differential-mode signals to pass unaffected.

In addition, the SC-15-200 common mode choke also features easy installation, wide frequency range, low differential-mode insertion loss, high common-mode impedance, wide dynamic range, and low magnetic sensitivity, making it an ideal device for interference suppression.

In summary, SC-15-200 is an important type of common mode choke, which has application in various industries. The line filter is well-known for its superior performance, stability, and reliable operation.

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