CW201212-39NJ

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Fixed inductors, also called chokes, are passive electrical components used to provide a relatively constant amount of inductance in an electrical circuit. The CW 201212-39NJ is a surface mount, high frequency, high current inductor used in power conversion and high-speed switching applications. It has low losses, high efficiency, and high inductance stability over a wide frequency range.

The CW 201212-39NJ is constructed with copper conductor wires wrapped around either a ferrite core or air core. The number of turns and the size of the core determine the inductance of the unit in ohms. Depending on the design, an additional ferrite bead can be used as an additional inductor. The coil structure of the component is also used to provide isolation between conductors.

The working principle of a fixed inductor is based on the Faraday law of induction, which states that an electromotive force is induced in a conductor as it is moved through a changing magnetic field. When an electrical current passes through the wire of the inductor, it generates a changing magnetic field. This changing field induces currents in the wire. These induced currents oppose the original current and cause it to decrease. This effect is known as inductive reactance.

The inductance of a fixed inductor is a measure of the amount of opposition to changes in current produced by the coil, and is generally expressed in henries (H). The value of an inductor can be altered by changing the number of turns or the size of the core. This makes it possible to achieve the desired level of inductance in order to suit the particular application.

The CW 201212-39NJ is suitable for high current, high frequency applications such as power supplies, DC-DC converters, and high-speed switching circuits. Its low losses, high efficiency, and high inductance stability make it ideal for these applications. Moreover, its small size, low profile, and lightweight make it easy to integrate into any design.

In summary, the CW 201212-39NJ is a versatile high-frequency, high-current inductor designed to provide good inductance stability and efficiency for a wide range of electrical applications. It can be used in power supplies, DC-DC converters, and other high-speed switching circuits, and its small size makes it suitable for a variety of design requirements. Its working principle is based on Faraday\'s law of induction, which states that an electrical current generates an associated magnetic field that can induce currents in other conductors.

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