SD20-R47-R

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Fixed inductors are the key components used in electronic circuits to store inductance and produce self-induction. These inductors can be used to store energy in electric fields or magnetic fields, depending on the material used. The SD20-R47-R is a type of fixed inductor designed for applications in automobiles, consumer electronics, and other industrial applications. It is primarily designed for power circuits, such as motor controllers, power converters, and other power electronic control applications.

The core of the SD20-R47-R is made of ferrite or iron-powder material, which helps to improve performance. It contains 10 turns of the copper wire and has a low DC resistance of 1.575 ohms. The inductance of the SD20-R47-R varies from 8uH to 10uH, depending on the actual application. The rated current for the SD20-R47-R is 20A while the saturation current is 0.8A.

The main purpose of the SD20-R47-R fixed inductor is to reduce electromagnetic interference and control the current in power electronic applications. It can be used to reduce the noise and distortion in audio applications, or to reduce voltage spikes and help protect the circuit from damage. It is also used in engine control circuitry, where it helps reduce high frequency noise and improve the performance of the system.

The working principle of the SD20-R47-R fixed inductor is based on the principle of electromagnetic induction. This means that when an electrical current passes through the coil of the inductor, it induces a magnetic field which can store energy. This energy is then used to maintain the current in the circuit. As the current passes through the coil, the magnetic field grows in strength and the inductance increases, creating a stronger magnetic field to store the energy.

The SD20-R47-R fixed inductor is a practical solution for power applications in a range of industries. It offers a good range of inductance values and a low DC resistance, making it ideal for a range of electronic applications. Its main purpose is to reduce noise and distortion in audio applications, or to protect the circuit from voltage spikes and other potential damage.

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