1210-823G

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Fixed Inductors

Fixed inductors are a type of electrical circuits used to store energy in the form of magnetic field. They can provide inductive reactance that helps in controlling the current in AC circuits. These components often come in different shapes and sizes to accommodate various application needs. In this article, we will focus on 1210-823G, a type of fixed inductors, and discuss its application field and working principle.

Application Field of the 1210-823G Fixed Inductor

The 1210-823G is designed for applications ranging from low frequency to high frequency where the inductance range is up to 8.23 millihenries (mH). Due to their small form factor, these inductors are suitable for use in all kinds of compact circuits such as those used in smartphones, computer systems, and other similar devices. They are typically used for filtering and tuning the power supply current for circuits, as well as for interference suppression.

The main characteristics of the 1210-823G include its low DC resistance with high inductance and saturation current. The inductance determines the inductive reactance of the device, and the saturation current represents the maximum allowable input current. Furthermore, these inductors are non-polar, meaning they don’t have any external terminals which could cause a short circuit if contacted with another device. The 1210-823G is also RoHS-compliant.

Working Principle of the 1210-823G Fixed Inductor

The basic working principle of this component is based on Faraday\'s law of induction. In an inductor, an electric current in its coil creates a magnetic field, and the change in this magnetic field over time will induce a voltage in the coil. The 1210-823G works by the same principle, but with the addition of a ferrite core for increased inductance. The ferrite core has the effect of limiting the field lines of the magnetic field, resulting in higher inductance compared to inductors without a ferrite core.

The 1210-823G features an air-gap, which is designed to prevent core saturation. This air-gap acts as a cushion for the magnetic field, protecting the ferrite core from excessive magnetic flux. The air-gap also reduces the current handling capability of the device, allowing it to be used in applications with lower current requirements. This allows the 1210-823G to be used for both high frequency and low frequency circuits.

An important quality of the 1210-823G is its low DC resistance. This means that the device is able to maintain low internal resistance even when passing higher current, making it suitable for use in high frequency circuits and applications where high DC currents are needed. Such applications include switching power supplies, power supplies for digital circuits, and power amplifiers.

Conclusion

The 1210-823G is a type of fixed inductors which are often used in various applications ranging from low frequency to high frequency. They are generally designed with a ferrite core for increased inductance and an air-gap for preventing core saturation. This device is also noted for its low DC resistance, allowing it to serve in high frequency circuits and applications.

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