1812R-124H

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Fixed inductors, also known as non-variable inductors, have been used in both electrical and electronic circuits for almost a century. They are usually made of coils of wire wound around a core, usually ferrite or iron, and these cores act to "confine" the magnetic field of the inductor by restricting its expansion. The core also helps to reduce losses due to leakage inductance.

The 1812R-124H is one of the most popular types of fixed inductors available today. This component is typically used in low-cost and low-power circuits where size and cost are of primary importance. The 1812R-124H is typically employed in a variety of applications, including DC/DC converters, portable audio and medical devices, as well as power supplies.

The working principle of an inductor is based on the concept of inductance. When a current is passed through the coil of the inductor, an electromagnetic field is created. This field alters the current and voltage across the loop, producing a voltage across the inductor which is proportional to the rate of change of current. This voltage, known as the self-induced voltage, opposes the applied voltage, resulting in reduced current through the inductor.

In the case of the 1812R-124H, the inductance is fixed based on the number of turns of the coil and its size. The inductance is increased by decreasing the number of turns and/or increasing the coil\'s diameter. Conversely, the inductance is decreased by increasing the number of turns and/or decreasing the coil\'s diameter. The number of turns and size of the coil will determine the inductance, which in turn will determine the strength of the self-induced voltage.

The use of the 1812R-124H can be found in a wide variety of applications. It is commonly found in DC/DC converters as it provides a controllable output voltage. It is also used in medical devices and portable audio devices as an input filter, as it is able to reduce signals coming from different sources. Additionally, it is used in power supplies as an output filter, as it is able to reduce ripple from the power supply output, thereby increasing the stability of the system.

In summary, the 1812R-124H is an example of a fixed inductor used in a variety of applications. Its working principle is based on the concept of inductance, and its inductance is determined by the number of turns and size of the coil. Additionally, it is used in a variety of applications, including DC/DC converters, medical devices, portable audio devices, and power supplies.

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