CIH03Q1N7SNC

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Fixed inductors, also known as "coils" or "chokes," are electronic components that store energy in a magnetic field in the form of current. They consist of a core material surrounded by conductive coils with a fixed number of turns of wire. They come in various shapes and sizes, and most are constructed with a ferrite core material.

The CIH03Q1N7SNC, which is part of a series of fixed inductors manufactured by Murata Manufacturing, is a radial-type inductor with a core material composed of 15 µH ferrite shell material and a plastic molded coil body. The coils are made of copper-clad aluminum wire in a 1:1 ratio and are wound in a 1:2 ratio. The inductance is measured at 7.6 µH and the rated current is 2.2 A.

The CIH03Q1N7SNC is primarily used in power supplies, audio systems, amplifiers, as well as other telecom and data communication applications. They are used to increase voltage when the supply voltage is inadequate and to reduce voltage when mains voltage is too high. They are also used to filter out harmonic voltages from DC power supplies; this helps vfptu reduce EMI (electromagnetic interference) and ensure voltage quality.

The working principle of a fixed inductor is based on Faraday\'s law of induction. This states that an electric current will generate a magnetic field around it. When the same current passes through a coil, the magnetic field will change its flux as the lines of current enter and exit the coil. This change in magnetic flux, called self-inductance, is then converted into an electrical current by the inductor.

The working principle of the CIH03Q1N7SNC can be illustrated using the circuit shown in Figure 1. The inductor is connected in series with a DC voltage source and a resistor. The current flowing through the inductor will create a magnetic field around it. When the current is interrupted by a switch, the magnetic field collapses, inducing a voltage across the inductor. The voltage is determined by the inductance of the inductor and the rate at which the magnetic field is collapsing. This voltage will be in proportion to the current that was flowing through the inductor before the switch was closed. This is the working principle of the CIH03Q1N7SNC.

In conclusion, the CIH03Q1N7SNC is a fixed inductor used in various electronic applications, such as power supplies, audio systems, and amplifiers. It has a core material composed of ferrite shell material and a plastic molded coil body, and an inductance rating of 7.6 µH with an operating current of 2.2 A. Its working principle is based on Faraday\'s law of induction, where a changing magnetic field produces a voltage across the inductor. This voltage is determined by the inductance of the inductor and the rate at which the magnetic field is collapsing.

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