SD20C-3R3-R

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Fixed Inductors

Fixed inductors are essential passive components used in many different electronic devices, providing a variety of functions. One exemplar is the SD20C-3R3-R, which is designed with the specific purpose of suppressing high-frequency noise in circuits that require a low-matched impedance. This article will look at the general features of this type of inductor and then explain the application field and working principle of the SD20C-3R3-R in more detail.

General Features of Fixed Inductors

Fixed inductors are a type of passive component that store energy in an increasing magnetic field created when electric current passes through them. This current generates a current in the opposite direction in the output circuit, resulting in a reduction in voltage and current. Another major trait of fixed inductors is that they offer a certain amount of resistance to the flow of alternating current while allowing a flow of direct current.

Fixed inductors also feature an inductance rating, denoted in Henry units, which indicates the amount of energy which can be stored in the magnetic field. Inductance is most often measured at a frequency of 500 kHz, and the size of the inductor also affects how much inductance it has – bigger ones to have higher inductance values.

Application Field of the SD20C-3R3-R Fixed Inductor

The SD20C-3R3-R is designed for use in devices needing high-frequency noise suppression and maximum matched impedance. It is perfect for applications such as DC/DC converters, power line filters, and as components in circuit boards used for base stations and other telecommunications applications. It also features a water-resistant design, making it ideal for outdoor applications.

Working Principle of the SD20C-3R3-R Fixed Inductor

The SD20C-3R3-R works to suppress high-frequency noise in equipment by creating a low-matched impedance between the inductor and the attached circuit. This is achieved by the inductor’s ability to alter the path of the magnetic field, as the inductor’s magnetic field changes with varying current flows it affects the electrical behaviour of the attached circuit.

The SD20C-3R3-R can also help with power-line related noise issues. As it allows the flow of direct current in one direction, but not in the other, this helps to reduce and eliminate power-line related noise issues that can arise in high-frequency equipment.

Conclusion

The SD20C-3R3-R fixed inductor is designed to suppress high-frequency noise in circuits that require a low-matched impedance, and it can also be used to eliminate power-line related noise issues. Its key features include a high frequency, a low inductance rating, and a water-resistant design that is ideal for outdoor applications. To summarize, the SD20C-3R3-R is a reliable and versatile fixed inductor that is a key component in many electronic devices.

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