4470R-47G

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Fixed inductors are components for storing electrical energy in an electric or magnetic field. They generally consist of an inductive winding around a metallic or ferrite core. The 4470R-47G is a type of fixed inductor manufactured by TDK and used in a variety of applications.

An inductor is a passive component that stores electrical energy and then releases it back into the system over time. It is an essential component in circuit designs, providing smoothing and pulsing for AC signals or storing energy for use in communication networks. An inductor consists of a conductor (usually wire or a thin metal strip) wound around a core material, such as iron or ferrite.

The 4470R-47G is a through-hole inductor with an inductance of 47 uH maximum. It is designed for use in low-noise, high-reliability circuit designs, such as power supplies, DC-DC converters, and circuit protection systems. It has a maximum DC current of 2.4A and a maximum AC current of 1.6A. Its rated voltage is 300V and its peak pulse voltage is 600V.

The 4470R-47G features an integrated winding type construction. It is composed of a glass-filled epoxy plastic bobbin with a copper wire coil. The core material is ferrite, while the conductive wire is terminated with tinned copper. The internal construction minimizes the electrical and mechanical parameters, such as stray capacitance, mutual inductance, and magnetostriction. This makes the 4470R-47G suitable for noise sensitive applications.

The core material, winding arrangement, and the choice of internal components all contribute to the 4470R-47G’s working principle. It is based on Faradays Law of Induction. When current passes through the inductor winding, a magnetic field is generated which in turn induces an electric field. This generates a current in the opposite direction, which is known as a counter-EMF or back EMF. This counter EMF reduces the current flowing in the inductor, thus reducing its power consumption and heat generation.

The 4470R-47G is used in a variety of applications, including AC/DC power supplies, DC-DC power converters, over-voltage and over-current protection devices, audio circuits, and switching power supplies. It is also used in repetitive switching applications, such as drivers for motor control and automotive electronic systems. The superior design of the winding and core materials make it very efficient and reliable in a range of applications.

The 4470R-47G is a compact and reliable inductor suitable for low-noise and high-reliability applications. Its core material, winding construction, rated voltage, and peak pulse voltage make it suitable for a range of applications from AC/DC power supplies to motor control drivers.

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