PA0511.221NLT Inductors, Coils, Chokes

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Fixed inductors are components used for a variety of purposes in different circuits. PA0511.221NLT is a typical fixed inductor designed for high performance and reliable operation. This article provides an overview of the PA0511.221NLT application field and working principle.

Application Field

PA0511.221NLT is a surface mountable, shielded, high-performance fixed inductor with 11uH inductance and 2.3A saturation current. It is specially designed for high frequency applications such as in DC-DC converters, ripple current clamp and peak current clamp in the application of motor control, motor drivers, buck converters, and other AC/DC adapter solutions. This inductor has a 4mm x 3mm footprint that can save board space in the design, making it suitable for circuits with limited space. Additionally, because of its excellent performance, it is widely used in switching power supplies and portable electronic devices that require the highest efficiency.

Working Principle

Because an inductor is a coil of wire, when a current passes through its wire loop, it creates a magnetic field around it. When the current is steady, the magnetic field stays at a constant strength and the inductor can act as an electrical conductor. The resistance of an inductor is determined by its inductance, which is the ability of the inductor\'s coil to resist changes in the current.

When the current is changed or when the load increases, the electric energy stored in the Coil increases until it reaches a saturation point. At this point, the inductance decreases dramatically and the current cannot be further increased. This ensures that the current in the circuit does not exceed safe levels and ensures the integrity of the circuit.

The PA0511.221NLT has an excellent combination of inductance and saturation characteristics. It has a low DC resistance that maintains low losses and high efficiency, and a high-temperature self-healing windings which increases reliability and provides higher electrical performance. It also has a ferrite core for extended frequency operation and a high saturation current rating which ensures the inductor can handle high power.

In summary, the PA0511.221NLT is a high performance, space-saving fixed inductor ideally suited for high-frequency applications. It is designed for reliable and efficient operation and its excellent performance ensures the circuit is safely protected from excessive current.

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