DRA125-821-R Inductors, Coils, Chokes

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Fixed inductors are used in electrical circuits, ranging from basic electronic assemblies to high-precision analogue applications. DRA125-821-R is a fixed inductor designed to perform specific functions in certain circuits. This article looks at the DRA125-821-R application field and its working principle to help understand its role in electronics.

DRA125-821-R Application Field

DRA125-821-R is a fixed inductor which is used for most electrical circuits including power supplies, AC/DC converters, DC/DC converters, voltage regulators, high-precision analogue electronic assemblies, sensor assemblies, telecommunication circuits, and many more. This inductor offers a wide operating voltage range of 3.14V to 15V, a high Q factor of up to 9, a high self-resonant frequency of up to 25 MHz, and low DC resistance of up to 2.3 ohms.

The DRA125-821-R has a high capacitance of up to 220µF with a very low dissipation factor. This makes it one of the best inductors for applications requiring a high load current and high frequency range. Its wide operating voltage range makes it highly suitable for applications in which the voltage is often unstable.

DRA125-821-R Working Principle

The working principle of the DRA125-821-R is that it limits the current that flows in the circuit. When this inductor is placed in series with a load, it produces an inductive reactance that opposes the flow of current in the circuit. This results in the current in the circuit being limited to a predetermined value.

The inductive reactance of the DRA125-821-R is determined by its inductance value and the frequency of the alternating current (AC) in the circuit. The higher the inductance value of the inductor and the higher the frequency of the AC current, the lower the inductive reactance.

In addition to limiting the current, the DRA125-821-R also stabilizes the voltage in the circuit. When the voltage in the circuit rises above the predetermined value, the inductor absorbs excess current, thus limiting the voltage to the predetermined value. Conversely, when the voltage falls below the predetermined value, the inductor can supply extra current, thus requiring the voltage to remain stable.

Conclusion

DRA125-821-R is an excellent fixed inductor with high self-resonant frequency and low DC resistance, making it suitable for many applications. Its high Q factor, wide operating voltage range, and high capacitance make it suitable for applications requiring a high load current and a high frequency range. The DRA125-821-R works by limiting the current and stabilizing the voltage in the circuit.

The specific data is subject to PDF, and the above content is for reference