P3519R-221K Inductors, Coils, Chokes

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Fixed Inductors

Inductors are fundamental components for smoothing power and channelling current in electronic circuits. Fixed inductors, such as the P3519R-221K, provide higher efficiency and greater range of options with regards to size, power rating, material and temperature tolerance. This article shall cover the application fields and working principle of the P3519R-221K fixed inductor.

Design and Specification

The P3519R-221K fixed inductor is rated for a maximum current of 2.3 amp and a total power consumption of 63mW under rated conditions. It is a surface mount device built on a ferrite core, featuring a low profile design with wire leads comprising 304mm of 20AWG copper. It is manufactured in an aluminium/polyamide construction, with an operating temperature range of -10-85 degrees Celsius.

Application Field

The P3519R-221K is a high-efficiency inductor specifically designed for DC-to-DC converter applications in Computer Motherboard, Notebook Computer and Display Monitor applications. It offers superior thermal and electrical performance for voltage converters as well as an excellent choice for power solutions for any high-quality power supply designs.

Working Principle

The P3519R-221K uses an air gap between the inductor\'s centre and magnetically active core. This helps reduce the core losses associated with the device, thus decreasing its overall power consumption and increasing its power efficiency. The construction also allows the inductor to act as a low-impedance EMI filter and handles high amplitude pulse currents, reducing EMI radiation in the system. The combination of ferrite core and air gap allows the P3519R-221 to be tested up to 4000MHz.

Conclusion

The P3519R-221K fixed inductor provides an optimal solution for DC-to-DC converters, serving as an efficient high-performance component suitable for power supply designs. It is small in size and power consumption, possesses excellent thermal and electrical performance and is ideal for Computer Motherboard, Notebook Computer and Display Monitor applications.

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