UP0.4UC-221-R

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Fixed inductors are electrical components used to store energy in an electric circuit. They are used in many types of circuits for a variety of applications. Among these inductors, one of the more commonly used is UP0.4UC-221-R. In this article, we will discuss the application fields and working principle of this particular model.

Primarily, UP0.4UC-221-R is an inductor that often finds use in automotive electronics for the purpose of suppressing generated noise. This component is ideal for this purpose as it maintains high electro-magnetic compatibility (EMC) between two components, and thereby minimizes communication interference within a system. The inductor also reduces the amount of noise generated from the engine, improving audio performance. Additionally, the inductor helps reduce interference from external noise sources, which extends the range of applicable frequencies.

Apart from the automotive industry, UP0.4UC-221-R is also used in a wide variety of other consumer products such as home appliances, personal computer peripherals, and telecommunication devices. It finds application in these areas too because of its ability to provide efficient noise suppression, as well as improved electro-magnetic interference (EMI) immunity.

At the operational level, the fundamental function of an inductor is to store energy as a magnetic field. UP0.4UC-221-R works on this principle, and possesses a minute, internal resistance which enables the magnetic field to build up. When a voltage is applied and the current passes through the wire used for the inductor, a magnetic field is created around the wire, and this then stores energy. The magnetic field stores energy known as inductance, which is measured in henry (H). The inductance value for UP0.4UC-221-R is 4mH, and it is rated at 10V DC, 300mA.

Unlike other components, the property of an inductor is not to dissipate energy. It can be likened to a battery, as instead of using energy, it stores energy in the form of a magnetic field. This is why, if the same current passes through the inductor for a certain amount of time, it will create a persistent magnetic field, meaning that the inductor will act as a temporary power source. To conclude, inductors differ from other components due to the nature of their working principle and in the UP0.4UC-221-R model, its primary application fields are limited to those mentioned above.

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