S4924R-103H

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Fixed Inductors

A fixed inductor is a passive electrical component which stores energy in the form of a magnetic field in its coils when an electric current is passed through it. This type of component has many uses in an electronic circuit, but they must be selected carefully to ensure that they can withstand the current and voltage requirements of the circuit in which they are installed. One example of a fixed inductor is the S4924R-103H.

The S4924R-103H is a 0402-sized surface-mount fixed inductor. It features a 1.2 mH nominal inductance, and it is rated for 10 A peak current. It is manufactured with an operating temperature range of -40°C to +125°C, and its electrical connections are formed with Tin-plated solder. The S4924R-103H has a maximum height of 0.8 mm, making it very suitable for circuit boards with tight constraints on space.

The S4924R-103H is primarily used for power delivery in DC-DC converter and charging circuits, as well as in automotive engines and high-end medical imaging systems. Its large peak current rating, wide temperature range and space-saving design make it suitable for these types of applications. It can also be used in other circuits where a fixed inductor is required, such as power supply voltage regulators, audio amplifiers and RF filters.

The working principle of the S4924R-103H is the same as with other fixed inductors. It consists of two or more coils of wire wrapped around a core material. When a current is passed through the coils, an inverse current is induced within them due to Faraday’s Law, creating a continual magnetic field within the inductor. The energy stored in the magnetic field gives the inductor the ability to block out DC current while allowing AC current to pass, which makes it useful for filtering signals or stabilizing voltage levels.

In summary, the S4924R-103H is a 0402-sized surface-mount fixed inductor with a wide operating temperature range and a high peak current rating. It is predominantly used in power delivery applications, but it can also be used in other circuits where a fixed inductor is required. Its working principle is based on Faraday’s Law, whereby a reverse current is induced in the coils when an electric current is passed through them, creating a continuous magnetic field which stores energy and allows AC currents to pass while blocking DC currents.

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