SC5040FH-3R9

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Fixed inductors are components found inside traditional electronic circuits. They are formed by having windings of either a wire or a foil material wrapped around a core material. This core material could either be air or a magnetic material like ferrite or powdered iron. When an alternating current is applied to the windings of a fixed inductor, the magnetic field created by this current induces a voltage into each winding based on the current that is flowing through them. By varying the number and thickness of the windings, the inductance can be manufactured to be as small or as large as desired. When selecting a fixed inductor for a specific circuit, it is important to select one that is of the right inductance and can handle the expected current amplitude.

The SC5040FH-3R9 is a standard fixed inductor manufactured by the company Sumida. This inductor is a surface-mount device designed for use in both high performance and low power circuits. It has a nominal inductance of 3 mH, a tolerance of ±15%, a saturation current of 400 mA, and is rated to handle up to 0.75 A. This inductor is also designed to withstand a maximum operating temperature of 125°C.

This fixed inductor is a great choice for many types of applications. For example, it is commonly used as an input/output filter in both switch mode and linear DC/DC power supplies. This type of inductor is also used as a resonator in high frequency oscillators and inverters. In addition, it is often used as an energy storage device for EMI filtering, and in vehicles, it is sometimes used in the power line for noise suppression in alternators.

The working principle of the SC5040FH-3R9 is also based on the magnetic field of the alternating current flowing through the windings. When this current flows through the windings, it generates a magnetic field which induces anEMF in each winding. This EMF holds an electrical charge, which increases the inductance of the inductor, allowing it to store more energy as a result. This is how the SC5040FH-3R9 acts as an energy storage device.

In summary, the SC5040FH-3R9 is a fixed inductor manufactured by Sumida and is commonly used in many types of applications, such as DC/DC power supplies, high frequency oscillators, and EMI filters. Its working principle is based on the magnetic field created by the current flowing through its windings, which induces a voltage in each winding and increases the inductance of the inductor.

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