ER1641-472JM

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Fixed inductors are an important component of any electrical system, as they are the building blocks for inductive electrical circuitry. The ER1641-472JM is a popular fixed inductor found in a variety of applications, from consumer electronics to industrial machines. In this article, we will discuss the application field and working principle of the ER1641-472JM.

The ER1641-472JM is designed for applications that require high frequency operation, such as automated test equipment, switching power supplies, RF circuits, and high-speed digital systems. This inductor has a low DCR (Direct Current Resistance) of 0.3 Ω, which is essential for high frequency systems. The inductance of 210MHz is suitable for high frequency applications and the impedance is low for the RF, data and video signals.

The ER1641-472JM also features a wide operating temperature range that can be specified between -55°C and +125°C, making it ideal for applications in extreme temperature conditions. Additionally, it is resistant to humidity, corrosion and shock, making it a reliable choice for many electrical applications.

The working principle of the ER1641-472JM is based on the inductance coil that consists of an insulated core of monolithic iron powder surrounded by a copper wound coil. This coil is connected to two external terminals, when a current is applied to the coil a magnetic field is created which will lead to the inductance of the coil, this results in a reaction of the components connected to the coil in form of voltage or current. Fixed inductors offer a fixed ratio of voltage and current for a given frequency.

The ER1641-472JM inductors are typically used in AC to DC conversion frequency control circuits such as DC-to-DC converters, switching power supplies and voltage regulators. As well as its high frequency operation, the inductor can also handle high power which is important for applications such as motor control, engine control, communication equipment, and power amplifiers. The inductor is also ideal for applications that require precision and accuracy such as frequency dividers, phase shifters, analog-to-digital converters, and digital-to-analog converters.

In short, the ER1641-472JM is an ideal inductor choice for a variety of applications that require high frequency operation, high power handling capacity, precision and accuracy. It offers reliable performance and is cost-effective and robust, making it a popular choice among manufacturers.

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