4922R-34J

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Fixed inductors are the most common type of inductor used for signal processing in a variety of applications, from aerospace to automotive. The 4922R-34J Inductor, in particular, is designed for a wide range of applications, including filtering, power management, and electronic precision circuits. This inductor is designed to handle lower power levels and feature a low profile to reduce PCB real estate.

Design

The 4922R-34J inductor features an external diameter of 4.9mm and a maximum overall height of 2.34mm, making it one of the smallest available inductors on the market.Inside the inductor is a molded, ceramic-clad ferrite magnetic core, which helps to reduce the interference caused from external magnetic fields and other environmental factors. The construction is completed with flat spiral copper windings, and a proprietary chemical coating for superior reliability and to protect against corrosion.

Application Field

The 4922R-34J fixed inductor is designed for use in a variety of applications including consumer electronic devices, audio/video systems, computer systems, and power supplies. It can also be used in automotive applications, including starter control and ignition systems, and for DC-DC converters.

Working Principle

An inductor is an electronic component that allows an electrical signal to pass, while blocking the DC component of it. This is achieved by creating an inductive reactance, which is a type of resistance that is dependent on the frequency of the signal. The reactance increases with increasing frequency and this results in a decrease of signal voltage and current. This in turn limits the amount of DC power that can pass through the component. This is known as inductive reactance or inductance.

The 4922R-34J fixed inductor is designed for use at various frequency ranges, with ICN0400 to ICN0600 frequencies typically found in consumer electronics, and ICN0400 to ICN10000 frequencies common in automotive applications. The inductor has a self-resonant frequency (SRF) of up to 400MHz and provides high efficiency and low DCR for power supply applications.

Conclusion

The 4922R-34J fixed inductor is a top-of-the-line choice for a variety of signal processing applications. Its small size and low profile make it ideal for applications requiring minimal PCB real estate. It is also designed with a ceramic-clad ferrite magnetic core to reduce interference from external magnetic fields, and has a proprietary coating to protect against corrosion. Its low DCR and high SRF make it perfect for high efficiency and power supply applications.

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