ER1641-274JM

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Fixed inductors play an important role in the electronics industry. This article aims to discuss the application field and working principle of ER1641-274JM, a specific type of fixed inductor.

Introduction

Fixed inductors, also known as fixed chokes, are passive components used to store energy in the form of magnetic field. They are typically used in power supplies, radio and television receivers, and allied equipment. Fixed inductors are typically constructed with a coil of wire wrapped around an iron core, although some manufacturers use cores made from other ingredients or even air. The purpose of a fixed inductor is to store energy, control signals, or to filter frequencies.

Application Field

ER1641-274JM is a type of fixed inductor. It is typically used in applications such as high voltage power supplies, audio circuits, bridge rectifiers, low-pass filters, and RF circuits. This particular type of inductor is especially suited for switching power supplies and similar applications. It is notable for its high working voltage, good reliability, stable performance, and high accuracy.

The ER1641-274JM has a winding resistance of 1.2 ohms, an inductance of 27 mH, and a low DC resistance of 6 mOhms. It has a very low ESR (equivalent series resistance) and a particularly high current rating. It also features excellent thermal stability, operating temperature range of -25°C to +85°C, and working voltage up to 5300VAC.

Working Principle

The working principle of a fixed inductor is relatively simple. When a current passes through its winding, a magnetic field is created around it. This magnetic field then interacts with the core of the inductor, and produces a magnetic flux. This magnetic flux is proportional to the amount of current passing through it, and the inductance of the inductor. As the value of the inductance increases, so does the strength of the magnetic flux.

The magnetic flux created by the current then interacts with both the core of the inductor and its windings. This interaction creates an effect known as inductance, which causes the current to be opposed by the magnetic field. The amount of resistance produced is directly proportional to the amount of magnetic flux generated. This is known as the inductance of the device.

The ER1641-274JM fixed inductor utilizes this same principle to produce its high rated voltage, excellent thermal stability, and reliable performance. In addition, its high current rating is a major factor in its desirable characteristics.

Conclusion

In conclusion, the ER1641-274JM is a type of fixed inductor with excellent performance characteristics and a wide range of potential applications. Its high voltage rating, good reliability, stable performance, and high accuracy make it an ideal choice for many power supply and RF circuit applications. Furthermore, its low coil resistance and high current rating are attractive features. Finally, the working principle of a fixed inductor is relatively simple: when a current passes through its winding, a magnetic field is created which interacts with the core of the inductor to create inductance.

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