MGDU4-00008-P

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Common Mode Chokes

A common-mode choke is an electromagnetic component that is used to attenuate and suppress differential-mode noise while allowing the desired signal to pass unimpeded. Common-mode chokes are used in a wide variety of applications including power applications, radios, and telecommunications systems. MGDU4-00008-P is one of the products in this line.

Applications

MGDU4-00008-P is a member of the common mode choke family. It is an off-line EMI filter, which is commonly used in industrial equipment, such as UPS systems, DC/DC converter, PFC circuits, and AC/DC adapter. In application, the MGDU4-00008-P can provide multiple filtering stages, in order to enhance EMI reduction for their application. Therefore, it is an ideal choice for any system which relies on high quality signal transmission.

Advantages

MGDU4-00008-P common mode choke offers high common-mode impedance and relatively low differential-mode impedance, which effectively rejects common-mode noise, while providing minimal effect for differential-mode signals. Moreover, its strong corrosion-resistant coating provides excellent protection against the environment.

Working Principle

The MGDU4-00008-P common mode choke consists of a ferrite core, which is constructed using multiple layers of fine iron powder. The core is then wound with two sets of wires, where the windings on each layer are wound in opposite directions. This is known as the differential-mode winding. Additionally, the core also consists of a single winding in the center, which is termed as the common-mode winding.

The differential-mode windings acts as an inductor, working in both directions of the current flow. This means that the differential-mode winding offers a high impedance to noise, while offering a low impedance path to signals. On the other hand, the common-mode winding works in one direction only and offers a high impedance path to noise, while providing a low impedance path to signals.

This combination of the differential-mode winding and the common-mode winding enables the MGDU4-00008-P to attenuate and suppress common-mode noise, while allowing the desired signal to pass unimpeded. Furthermore, the low impedance path created by the differential-mode winding helps to reduce the power losses during signal transfer. This makes the common mode choke an ideal choice for any system that requires high-quality signal transmission.

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