105-121JS

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Fixed Inductors, or fixed coils, are types of electrical components in the form of coils, and are usually made of copper wire wrapping around a ferromagnetic core. Fixed Inductors are mainly used in the field of electrical and electronic engineering, especially in the production and development of high-frequency signals, such as radio signals or sound signals. They are widely used in radio transmitters, receiver-amplifiers, and other special frequency circuits.

In the application field of Fixed Inductors, the working principles of 105-121JS can be divided into two parts. One is the working principle of self-induction and mutual induction. When an alternating current passes through a Fixed Inductor, due to the change of current, the electromagnetic field generated around the coil will interact with each other, resulting in self-induction and mutual-induction effects, thus achieving the goal of inductance and filter. This is the self-induction and mutual-induction working principle of Fixed Inductors.

The other part of the Fixed Inductor\'s application field is the field of magnetic and resistive circuits. The Fixed Inductor usually works together with other components, such as resistors and capacitors. Due to the differences in the inductance of Fixed Inductors of different sizes, when the current passes, the induction value generated by the coil will also vary, thus adjusting the overall resistance of the circuit, so as to get the desired filter performance. In addition, due to the inductive reactance of the Fixed Inductor, it is also used in the application of radio frequency conversion circuits.

In the field of audio applications, the main application of the 105-121JS Fixed Inductor is the hum filter and the frequency response adjustment device. In the audio signal transmission system, it is often necessary to adjust the signal frequency and pass some frequencies, while other frequencies are blocked. This type of filter can be achieved by making proper combination of Fixed Inductor and other components. In addition, the Fixed Inductor can also be used as a vibration damper, which can eliminate the vibration and electrical noise of some circuits and improve the signal-to-noise ratio.

In the application field of automobiles, Fixed Inductors can be used in the ignition system, fuel injection system and charging system of automobiles. For example, the ignition system of the car needs an inductor for current transformation, such as the secondary coil of a car ignition system. In the fuel injection system, the inductor will be used as a fuel injector drive damper to suppress and absorb the high-frequency voltage of the fuel injector and reduce the interference of other electronic systems. In the charging system, the inductor will be used to adjust the current. Through proper adjustment, the frequency of the charging current can be changed, so as to better control the voltage and current of the charging system.

In addition to the above fields, Fixed Inductors can also be used in a wide range of applications, such as microwave ovens, television receivers, radar systems, and other electronic equipment. By understanding the working principle of Fixed Inductors and their applications, users can choose the suitable Fixed Inductor for their own equipment.

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