CMT1-1-R

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Common Mode Chokes (CMC) are electronic components used to suppress high frequency electromagnetic interference between two or more circuits in a system. CMCs are generally constructed with two or more inductors connected in series or parallel and wound around a common core. The inductance of the CMC is determined by its construction, physical size, magnetic core material, number of turns, and wire size. The windings of the common mode choke are designed to be as close to each other as possible, so as to maximize the inductance.

The CMT1-1-R is a low profile, compact and common mode filter choke. This choke is designed for both signal and power applications and provides a high level of shielding against conducted emissions. The CMT1-1-R has an extended temperature range of -40°C to +85°C and its body is made from hydrolysis resistant UL94V-0 thermal plastic. It comes in a 75Ω impedance range with a resistance of 2.24mΩ maximum and inductance of 27µH minimum.

The CMT1-1-R is widely used in consumer and computer electronics, such as power cords, USB cables, I/O ports, AC/DC adapters and other digital or analog communication applications. It is also suitable for LED lighting systems, battery chargers, automotive electronics, and high speed data transfer lines.

In terms of working principle, the CMT1-1-R is a passive common mode choke. It suppresses the interference and noise encountered in data and signal lines traveling from one device to another. By connecting the primary side and the secondary side of the CMT1-1-R to different parts of the circuit, interference from the primary side can be reduced. The inductance of the CMT1-1-R serves as a filter, blocking out high frequency interference that may pass from one side to the other.

In broader terms, the general purpose of a CMC is to prevent the transmission of noise and interference through two or more circuits connected to it. The CMT1-1-R is an excellent choice for this type of application due to its robust design, efficient shielding and high quality magnetic core material.

In summary, the CMT1-1-R is a popular Common Mode Choke that has a variety of applications in consumer, computer and automotive electronics. Its high efficiency at attenuating high frequency interference makes it an ideal solution for noise suppression in a variety of equipment and circuitry.

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