UP2-221-R

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Fixed inductors or \'choke coils\' are electronic components that are designed to store energy within a coil. The UP2-221-R fixed inductor is of a type that has an impressive ability to withstand high temperatures, making it a popular choice for specialised applications. This article looks at the application field of the UP2-221-R fixed inductor and the working principle of the component.

The UP2-221-R fixed inductor is primarily used in high-frequency switching applications. This type of circuit is often used in communications systems, consumer electronics, power supplies, medical equipment and military systems. The UP2-221-R fixed inductor offers excellent electrical performance due to its low inductance and high current rating. Combined with its ability to withstand high temperatures, this makes it an ideal choice for specialised applications.

The UP2-221-R fixed inductor is an air-core inductor that is constructed using a ferrite core and copper wire. The wire is wound around the ferrite core to form a single or multiple loop coil. The number and width of the loops and the length of the wire can be altered to change the inductance of the inductor. The amount of current that the UP2-221-R can handle is directly related to the number of loops and the width of the wire.

The working principle of a fixed inductor is based on inductance, which is the ratio between the voltage across an inductor and the time rate of change of the current in the inductor. When a current is applied to an inductor it generates a magnetic field which is proportional to the amount of current flowing through the coil. This magnetic field opposes any change in the current thereby creating an inductance. The UP2-221-R fixed inductor has an inductance of 221 μH which allows it to store electrical energy in the form of a magnetic field.

The UP2-221-R inductor is also able to dissipate electrical energy as heat. Its temperature coefficient is rated at a maximum of -4700 ppm/°C which allows it to conduct large amounts of current without the temperature rising too high. Its high temperature rating makes it suitable for many high temperature applications such as automotive, aerospace and industrial systems.

The UP2-221-R fixed inductor is a popular choice for high-frequency switching applications due to its excellent electrical performance and high temperature rating. Its ability to store electrical energy in the form of a magnetic field combined with its temperature coefficient make it a great choice for many specialised applications.

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