LK2125330M-T

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Fixed Inductors

Fixed inductors, also commonly known as coils, chokes, or filters, are one of the most widely used components in circuits. They store energy in an electric field, producing an electric current through a circuit. An inductor plays a critical role in forming circuits, including many nonlinear circuit designs, providing essential elements of low-pass and high-pass filters, impedance-matching transformers, and, most often, as a key component of any circuit.

The LK2125330M-T is a fixed Inductor. It is designed for applications such as DC-DC converters, high-frequency LED indicator drivers, or buck/boost converters. The LK2125330M-T is a small, cost effective and efficient inductor with a maximum operating temperature of 150°C.

Working Principle

A fixed inductor stores energy in a magnetic field. It is a passive device, meaning it does not require an input power source. When current is applied to an inductor, a magnetic field is formed, and this field then stores energy. When the current is removed from the inductor, the magnetic field collapses, and the energy stored in the field is released, generating a voltage in the opposite polarity.

As current passes through the inductor, the magnetic field creates a back EMF (Electro-Motive Force), that opposes the applied voltage. This is known as the “inductance” of the coil. The value of the inductance is proportional to the product of the number of turns in the coil and the area of the coil cross-sectional. The higher the number of turns and the larger the area, the higher the inductance.

Applications

The LK2125330M-T is a cost-effective, efficient inductor used in a variety of applications that require low-level AC mains isolation. It is often used in AC line filtering circuits for UPS systems and in SMPS, DC/DC converter circuits. The LK2125330M-T is also a popular choice for RF circuits and EMI filters in SMPS applications, providing a high-impedance line for efficient noise reduction. Finally, the inductor is also an ideal choice in LED lighting systems, providing effective current regulation.

The LK2125330M-T is a compact, low-cost, low-profile inductor with a wide range of applications. It has a maximum operating temperature of 150°C, which is suitable for many applications that require a long-lasting and reliable fixed inductor.

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