PL9229NL

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Fixed inductors are electronic components used to help control the flow of current in a circuit by maintaining a constant, fixed amount of inductance. The PL9229NL is one such fixed inductor, and it has a range of applications and a straightforward working principle.

Typical applications for the PL9229NL fixed inductor include being used in PCB assemblies and as part of filtering and decoupling modules. It is employed in circuits requiring constant power supply, high-frequency circuits, audio circuits, and in power EMI filters. It has a load capacity of up to 2A, and its footprint is only 8.5mm x 4.5mm.

The basic operating principle of any fixed inductor is that it opposes changes in current by producing an opposing voltage. This opposing voltage is known as back-emf and is generated when the inductor increases its inductance due to increasing current. This back-emf is equal to the rate of change of the current multiplied by the product of the inductance and the number of turns.

In the case of the PL9229NL fixed inductor, it has a maximized inductance value of 220uH, which is verified by measuring its inductance with a known current. The maximum voltage rating of the PL9229NL is 10V, providing flexibility for designers. It is available in a wide variety of packages, including SMA, SMP, SMD, DIP, and through hole, enabling it to be used in the most suitable applications.

The PL9229NL fixed inductor has a low profile design and is compliant with the RoHS Directive, making it a popular choice for many PCB projects. It comes with unique features that make it attractive such as an extended temperature range of -50°C to 85°C, excellent high immunity, and high reliability. It also has high-performance in high-temperature reflow, solder wave soldering, and most hand-soldering operations.

The PL9229NL fixed inductor is ideally suited for applications requiring a stable power supply, such as power conversion regulators, DC-DC converters, audio amplifiers, and high-frequency circuits. It offers excellent performance over a wide temperature range, making it suitable for harsh environment applications. Its RoHS compliance and high reliability make it an ideal choice for any project involving PCB assemblies.

The working principle of the PL9229NL fixed inductor is fairly straightforward: the inductor opposes any changes in current by producing an opposing voltage known as back-emf. Its small size and low profile design make it very suitable for use in small PCB projects, and its wide range of packages enables it to be used in most applications. The high power rating and excellent performance over a wide temperature range make it a popular choice for many projects, and its RoHS compliance makes for low environmental impact.

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