3090R-392J

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Fixed inductors, also referred to as chokes, are components widely used in electrical circuits. They are mainly applied in circuits to block unwanted signals, filter the higher-frequency components, provide a smooth power supply and manage transient effects. 3090R-392J inductor is one typical fixed inductor. This paper will mainly discuss its application field and working principle.

Application Field

The 3090R-392J inductor is widely applied in various circuits such as switch power supply, power supply filter, power management, instrumentation and sensor circuits. Its rated current ranging from 6A to 11A, rated voltage from 14V to 18V, which makes it suitable to be used in either high or low voltage circuit with strong anti-surge capability.

3090R-392J inductor has a low DC resistance, good thermal stability. It will not be damaged by external electric or magnetic field so it can widely applied for current control and signal filtering. This inductor also has a good power dissipation capacity, which can guarantee stable operation even in high frequency or temperature environment.

Working Principle

3090R-392J inductor is an electromagnetic component consisting of a coil, a magnetic core and a shield. When connected to an alternating current (AC) source, the inductor stores energy through the magnetic core then releases it through the coil. This creates a continuous steady response to the current source.

When the inductor is exposed to a DC source, it acts as a short circuit. It creates no impedance across the circuit, so the current passes smoothly without any restriction. This allows the DC current to reach the specific level independently of the inductor.

The 3090R-392J inductor also has the characteristics of frequency. An inductor will create higher impedance when exposed to higher frequency current sources. This impedance will cause the current and voltage across the circuit to be limited, which can eliminate the higher frequency components.

Conclusion

The 3090R-392J inductor is an important component in many electronic circuits, serving different tasks such as current control, signal filtering and power management. It has a wide application field due to its rated current, voltage, and a good power dissipation capacity. The inductor also has the characteristics of voltage, current and frequency and can be used to manage transient effects.

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