S1812R-124H

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Fixed Inductors are electrical components used to induct electrical current. They typically consist of a coil or windings around a metal core, and usually act as either an inductor or a transformer. The S1812R-124H is one such type of fixed inductor, and is mainly used in applications such as power supply and switch mode power supply (SMPS) circuits.

The S1812R-124H is a type of radial leaded inductor, and features an encapsulated self-supporting construction with an enamelled copper wire and ferrite core. It is type approved and UL recognised for use in the European Union. The inductor is rated for 1 Amp current, and features a maximum assured saturation current of 1.6 Amps. It has an inductance range of 2.2uH to 220uH, and is suitable for operating temperatures ranging from -25C to 105C.

The working principle of fixed inductors is based on Faraday’s Law of Induction. This law states that when a current-carrying conductor is placed in a magnetic field, an electromotive force is induced in it. This is the basis of how fixed inductors work. When a current is passed through the fixed inductor, a magnetic field is created that induces a voltage in the coil windings. This induced voltage has a frequency that is dependent on the size of the inductor and the value of current passing through it.

The S1812R-124H is typically used in power supply and SMPS circuits as a filter component to suppress any transient voltage spikes. It is also used in the input stage of power supplies to provide filtering and additional inductance. The inductor also helps to reduce high frequency noise, reduce voltage ripple and improve efficiency. When used for noise reduction, it helps to filter out any frequency signals that are too high to be rectified.

In summary, the S1812R-124H is a fixed inductor commonly used in power supply and SMPS circuits. It works on the principles of Faraday’s Law of Induction, and provides filtering and additional inductance. It is a type approved and UL recognised component, and is suitable for operating temperatures ranging from -25C to 105C. The inductance range is 2.2uH to 220uH, and it is rated for 1 Amp current with a maximum saturation current of 1.6 Amps.

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