UP4T-220-R

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Fixed inductors are electronic components used to store and control the flow of electricity in circuits. The UP4T-220-R is a type of fixed inductor that is designed to provide superior inductance in small packages. In this article, we will discuss the application fields and working principle of the UP4T-220-R.

Application Field

The UP4T-220-R is primarily used in commutator motor circuits. The small size of the device lends itself to being a good fit for tight spaces, such as those found in miniaturized motor applications. It is also suitable for use in high-frequency switching power supplies and SMPS applications, where its tight inductance tolerance and high temperature stability are beneficial. The device is available in both radial and axial leaded versions, allowing for a range of mounting orientations.

Working Principle

The UP4T-220-R is a coreless, pancake-style fixed inductor. It is composed of two layers of wire that are wound around a coil form, providing an inductance of 220µH ± 10%. The device has a rated current of 5.5A and a high saturation current of 7.5A, allowing it to handle moderate power loads. The wire layers are then encapsulated inside an epoxy resin body that provides environmental protection and helps dampen EMI emissions. As with all inductors, the device\'s inductance is proportional to the number of turns of wire, the cross-sectional area of wire, and the permeability of the core.

Conclusion

The UP4T-220-R is a type of fixed inductor that can offer superior inductance in small packages. Its main application falls within commutator motor circuits, but it is also suitable for use in high-frequency switching power supplies and SMPS systems. The device is composed of two layers of wire that are wound around a coil form and encapsulated inside an epoxy resin body. As a result, the UP4T-220-R is a convenient and robust solution for a wide variety of applications.

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