ETQ-A17B220

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Fixed inductors, such as ETQ-A17B220, are electronic components that store energy in the form of a magnetic field. They are most commonly used in the power supply and as filters to filter out noise and reduce interference. Depending on the application, they can also be used in many other electronic circuits.

The ETQ-A17B220 is a fixed inductor with optimized performances like high self-resonant frequency, low DCR, and high current capacity. It is designed for general electronic and digital circuits, including SMD assembly, high-frequency switching power supply, memory system and bus system, and its electrical characteristics are as follows.

The ETQ-A17B220 features a rated current of 4 Amperes which, combined with its low DCR, makes it ideal for power circuits. It also features a high self-resonant frequency of 3MHz, which allows it to filter out very high frequencies and thus reduce the amount of noise in the circuit. Finally, it has a high current capacity of 20uH, making it suitable for use in power supplies.

The working principle of an inductor is based on Faraday\'s Law, which states that a changing magnetic field induces a voltage in a nearby circuit. When a DC current is applied to the inductor, a magnetic field is created that stores energy in the form of a magnetic field. This energy is released in the form of an AC current when the current changes.

In the case of the ETQ-A17B220, the current is variable, causing the voltage to regularly change and thus creating a magnetic field and a changing current. This alternating current is distributed throughout the circuit, reducing the amount of noise and interference. The high self-resonant frequency also allows it to filter out very high frequencies, making it ideal for noise reduction while still providing reliable and efficient power supply.

The ETQ-A17B220 is a versatile and reliable fixed inductor that performs optimally in power circuits. Its low DCR, high current capacity, and high self-resonant frequency make it ideal for reducing noise and interference in various digital circuits. As such, it is widely used in various projects and applications that require reliable power supply.

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