ER1641-623JP

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Fixed Inductors involve components that maintain inductance values in a circuit and may play a role in magnetic field generation. The ER1641-623JP series is one of the more popular and highly regarded inductors in the market today. This section will discuss the application field and working principle of the ER1641-623JP.

Applications

The ER1641-623JP series of fixed inductors are generally used in mobile device, automotive, and consumer electronics applications. In these applications, its low-profile design makes it ideal for applications where space is at a premium, such as in smartphones and other mobile devices. Additionally, its high self-resonant frequency capabilities and exceptional current-handling capabilities make it well suited for applications that require high frequency and/or high current. It also offers good EMI suppression, which can be beneficial in applications with tight EMI requirements.

The ER1641-623JP series of fixed inductors are also well-suited for SMPS and general power switching, as well as high-efficiency power supplies, Bluetooth modules, and WLAN/GPS/3G modules. Its low DCR and high current-handling capabilities lend themselves to a wide variety of power supply applications, and its low profile makes it ideal for densely packed circuit boards. It is also well-suited for use in automotive applications, such as DC/DC converters, especially in areas that must withstand high temperatures.

Working Principle

The ER1641-623JP series of fixed inductors works on the principle of self-inductance. When an electric current is passed through a coil of wire, it induces an opposing magnetic field. This opposing magnetic field causes a voltage to be induced in the opposite direction of the current. This inductive voltage is referred to as "back EMF" (electromotive force). This back EMF impedes the flow of current and is the basis for the operation of an inductor.

ER1641-623JP series fixed inductors employ this principle in their operation. When an AC current is passed through its wound coil of wire, an induced opposing magnetic field is generated, which creates a back EMF. This back EMF acts to impede the flow of current and reduce the overall AC current. From a DC standpoint, the current is reduced, but it is still present. The amount of current reduction will depend on the size and number of windings in the inductor, as well as the frequency of the applied current.

In AC applications, the ER1641-623JP series of fixed inductors serve to limit current flow and reduce voltage spikes. The inductor can help to filter out undesirable noise and power supply ripple, resulting in a clean, stable output. Additionally, they can be used to create positive voltage-level reference points for voltage-controlled circuits, such as power supplies.

Conclusion

The ER1641-623JP series of fixed inductors are a popular choice for a variety of applications, due to their low-profile design, high self-resonant frequency, and exceptional current-handling capabilities. They are well-suited for applications in mobile devices, automotive applications, and consumer electronics, where they can reduce noise, filter out power supply ripple, and provide voltage-level reference points. Working on the principle of self-inductance, the ER1641-623JP series of fixed inductors serve to impede the flow of AC current, while reducing voltage spikes and allowing for a clean output signal.

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