CD43NP-120MC

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Fixed inductors, or chokes, are electrical components designed to control current flow and maintain a certain voltage level within a circuit or system device. Among the prominent types of fixed inductors, the CD43NP-120MC is one of the most reliable and widely used components in numerous industrial applications. This article gives an overview of the CD43NP-120MC application field and working principle.

The CD43NP-120MC is a 3-contact, axial-lead device with a 120µH inductance. As a high-quality surface-mount inductor, it is suitable for industrial applications such as uninterruptible power supplies (UPS) and phase shift circuits. Thanks to its high current-handling capabilities, the CD43NP-120MC can be used in medium or high-power DC/DC conversion and voltage regulation, as well as low loss filter circuits. Additionally, it can also be used in high frequency switching circuits due to its low levels of thermal resistance and its high Q characteristics.

When used in a circuit, the CD43NP-120MC primarily acts as a filter and provides a path for the DC current to flow, while suppressing the AC current from passing through. This is because the inductor is composed of a wire that is wound into a coil and is surrounded by a core, which creates a magnetic field. When the current passing through the coil increases, the magnetic field increases, and the inductor resists the increasing current, causing the voltage across it to rise. At a certain point, the voltage across the inductor is sufficiently large enough to oppose the additional current, inducing a back-EMF to be generated in the inductor.

In general, the CD43NP-120MC consists of a metal core, enameled wire, and an insulating material. The core, shaped like a tube, is where the wire is wound into a coil. The enameled wire is insulated with a special plastic or lacquer to prevent short-circuiting. The overall construction of the inductor allows it to store electrical energy and create a back-EMF when exposed to an increase in current. With its low power dissipation and superior temperature resistance, the CD43NP-120MC can be used in a variety of extreme operating conditions, such as high temperature, high humidity and high vibration environments.

Apart from its ability to filter and suppress high frequency voltage components, the CD43NP-120MC also possesses other advantages. It has a high inductance value, enabling it to handle higher currents than other inductors. Additionally, it can be used in reverse-voltage applications and is highly resilient to moisture and extreme environmental conditions. Furthermore, it has excellent solderability, making it easy to mount and solder on circuit boards and other types of carrier substrates. All these features make the CD43NP-120MC an ideal choice for a variety of industrial applications.

In short, the CD43NP-120MC is a reliable and efficient component for numerous industrial applications. Thanks to its high current-handling capabilities, excellent temperature resistance, and superior solderability, the CD43NP-120MC is one of the most widely used fixed inductors in DC/DC conversion, phase shift circuits, voltage regulation, and lowloss filter circuits. It provides a safe and effective way to filter high frequency voltage components and regulate current flow, making it an ideal choice for a variety of industrial applications.

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