CMF23H-683900-B

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Common Mode Chokes (CM) are passive components used in a variety of electronic circuits. A CMF23H-683900-B Common Mode Choke is non-polarised electromechanical device that does not require any external biasing or energy sources to operate. They are designed with two inductors wound in a close proximity, either with the same or a different number of turns, which filters out common-mode noise, reduces EMI/RFI interference, limits voltage loss, and helps increase signal integrity in a system.

The CMF23H-683900-B Common Mode Choke is a molded ferrite core type, constructed with two inductors in a dual-bobbin assembly. It is encapsulated in an epoxy resin enclosure, with a rated cable diameter range of 0.15 - 0.70 mm (5-24 AWG). It is designed to handle a maximum DC rating of 200mA for the channels and 500mA DC power line (DCPL). The impedance and leakage inductance levels are also extremely low, ensuring total isolation of the output from the input in both directions.

The CMF23H-683900-B has a variety of applications in audio/visual, medical, automotive, and other electronic applications. In audio/visual equipment, such as televisions and DVD players, the CMF23H-683900-B can be used to reduce EMI/RFI interference and prevent destructive voltage waveforms from affecting the audio and video quality of the device. In medical equipment, such as ventilators and patient monitors, the CMF23H-683900-B helps to eliminate destructive voltage waveforms that can damage sensitive components. In automobiles, the CMF23H-683900-B helps to filter out high-frequency power line disturbances that can cause interference with critical operating systems.

The working principle of the CMF23H-683900-B is based on the phenomenon of inductance. When an alternating current flows in the device, the windings of the two inductors create an opposing magnetic field that cancels out or “chokes” certain frequencies. This reduces EMI/RFI interference, limits voltage drop, and helps increase signal integrity in a system. The CMF23H-683900-B also helps to protect sensitive equipment by suppressing destructive voltage waves.

In summary, the CMF23H-683900-B Common Mode Choke is a high-performance non-polarized device with a variety of applications. It provides excellent common-mode noise suppression, low impedance, and low leakage inductance levels, and is suitable for audio/visual, medical, and automotive applications. It also offers superior protection against destructive voltage waves, ensuring total isolation from input to output in both directions.

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