MPCG0740LR42

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Fixed Inductors are components intended to be electrically connected to a circuit so that they can perform an inductance function. The MPCG0740LR42 is a fixed inductor of the MPCG series manufactured by Korean company Shin-Etsu. This series of inductors have small inductance values which makes it ideal for most sensing circuits. It has a working frequency range of between 3.90MHz and 6.60MHz and an overall inductance value ranging from 9.26uH to 4.22uH. The MPCG0740LR42 is an RoHS compliant component, with a removable top cover to offer additional handling convenience.

The core of the MPCG0740LR42 is made of solid Ceramic Ferrite material offering high power density and excellent temperature stability characteristics. The inductance value is controlled by the shape and size of the core and the number of windings on the coil. These windings are made of Bare Copper wire for maximum conduction. This component also has higher insertion losses than most other inductors making it ideal for low power applications.

In terms of its applications, the MPCG0740LR42 is commonly used in a wide range of inductive sensing and power applications, such as Voltage Regulators, Motor Controllers, and Circuit Protectors. This component is usually used to regulate the amount of current flowing through a circuit. When a current is applied, the inductor blocks the direct path of current, but allows a small alternating current to pass through. This reduces power consumption while still providing the necessary protection.

The working principle of the MPCG0740LR42 is based on the Faraday’s law of induction. When a changing current flows through a coil, it will generate a magnetic field which in turn creates a back EMF (electromotive force) across the inductor. The magnitude of this back EMF is directly proportional to the rate of change in the current, and is inversely proportional to the inductance value. This back EMF opposes the applied voltage, reducing the current through the circuit and effectively controlling the current consumption of the system.

In summary, the MPCG0740LR42 is a fixed inductor manufactured by Shin-Etsu which is RoHS compliant and removable. With small inductance values and high power density, it is suitable for low power applications such as Voltage Regulators and Motor Controllers. Its working principle is based on Faraday’s law of induction which states that a changing current will generate a back EMF proportional to the rate of change in the current and inversely proportional to the inductance value.

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