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Fixed Inductors

The S4924-391J fixed inductor is designed for automotive applications. The inductor has a winding construction with an internal ferrite core and is enclosed in a silicone-filled plastic housing. It is capable of operating at temperatures ranging from -40°C to +125°C and a maximum current of 350 mA. The inductor also has excellent high-frequency characteristics, making it suitable for use in high-frequency circuits.

Application Field

The S4924-391J fixed inductor is suitable for use in a variety of automotive applications. It can be used in power electronics circuits, such as in DC/DC converters, DC/AC inverters, and solenoid drivers. It is also suited for use as an EMI filter component in an automotive audio system. Additionally, it can be used in high-frequency communication circuits, such as in Bluetooth and Wi-Fi systems.

Working Principle

The working principle of the S4924-391J fixed inductor is based on Faraday’s law of electromagnetic induction. The inductor core is made of a ferrite material with high permeability. When the inductor is subject to an AC frequency, it produces a magnetic field in proportion to the voltage and current. The magnetic field induces a voltage across the inductor. The voltage is essentially equal to the product of the frequency and the inductance and is expressed in the form of a sine wave.

The inductance of the inductor is determined by the core material, number of turns, and the size of the core, and is expressed in henries. The inductance also learns that a DC current passing through the inductor will create a magnetic field, and the field will be gradually reduced with respect to the current. This property is known as the inductance of the inductor.

This inductor is also capable of producing inductive reactance, which is a function of the frequency and the inductance of the inductor. The inductive reactance opposes the current flow, and it is expressed in ohms. The inductive reactance decreases as the frequency increases, and its magnitude is dependent on the amplitude of the applied current.

The S4924-391J fixed inductor is an efficient component for a variety of automotive applications. Its high current capability and high-frequency characteristics make it a reliable and cost-effective component. Its excellent inductance and reactance properties make it well suited for use in a variety of power electronic and communication circuits.

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