SD20-4R7-R

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Fixed Inductors are electrical components that are designed to resist changes in electrical current. This resistance is known as inductance. The SD20-4R7-R is a type of fixed inductor designed to provide a certain amount of resistance and stable inductance across a wide range of voltages and frequencies. In this article, we\'ll take a closer look at the applications and working principle of the SD20-4R7-R.

Applications of SD20-4R7-R

The SD20-4R7-R is most commonly used in AC/DC switching power supplies, inverters, converters, and other switch-mode power supplies. It is a reliable and efficient device that provides the necessary resistance and stable inductance over a wide range of voltages and frequencies.

The SD20-4R7-R is also used in resonant switches, pull-down resistors, and other high frequency applications. It provides high frequency stability, with low losses and high efficiency. It is also suitable for high temperature applications.

The SD20-4R7-R can also be used in filter circuits, relays, and motor control applications. In these applications, the fixed inductor controls the current and helps to reduce electrical noise. It can also be used to regulate the voltage in high voltage systems.

Working Principle of SD20-4R7-R

The SD20-4R7-R consists of a coil of wire wrapped around a ferrite core, also known as an inductor. The ferrite core stores and transfers the electrical lines of force between the turns of the coil. When a current is applied to the inductor, a magnetic field is created around its core.

The SD20-4R7-R also features a capacitor, which is connected across the inductor. This capacitor helps to regulate the current in the circuit, by providing a path for the current to flow. The capacitor also helps to reduce the amount of noise in the circuit.

The SD20-4R7-R is designed to be stable across a wide range of frequencies and voltages. This helps to ensure that the inductance and resistance remain constant, even when operating at higher frequencies or voltages.

The SD20-4R7-R is a reliable and efficient device that can be used in a variety of applications. Its wide range of applications makes it ideal for a variety of power supplies, resonant switches, and other high frequency applications.

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