HK21252N2S-T

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Fixed inductors, sometimes also known as “chokes” or “coils”, are essential components in the power conditioning circuit of switched-mode power supplies. They act mainly to store energy when passing large currents in a short period of time, which helps to stabilize and filter the current passing through the circuit. The type of inductor used is largely dependent on the application, the current levels, and other parameters.

The HK21252N2S-T is a popular choice of fixed inductor, widely used in a range of applications such as macro-defibrillation equipment, industrial inverters, and variable speed drives. It is a surface-mounted, low-profile device with a winding size of 28mm and a winding efficiency rating of 99.9%, making it an ideal choice for high-power applications. It has a built-in thermal overload control feature, and it has also been designed to provide high levels of thermal efficiency and low loss during operation.

The HK21252N2S-T has a symmetrical structure, allowing it to be folded and used in two different configurations. The first configuration is a straight-wound inductor, which is used for lower current applications where storing energy is not a concern. The second configuration is a cross-wound inductor, which is more suitable for higher current applications due to its ability to store energy more effectively than a straight-wound inductor.

The HK21252N2S-T is typically used in a closed-core design, which means that the inductor is configured with two windings which are electrically isolated from each other. This gives the inductor higher current transfer capabilities and improves overall heat dissipation. The inductor also has a built-in self-resonance that ensures stable operation. This self-resonance prevents the current in the winding from increasing beyond a certain level when voltage is applied.

The HK21252N2S-T has several performance characteristics that make it ideal for power conditioning applications. It has the ability to withstand high current and temperature, it has low core losses, it has a wide operational frequency range, and it has excellent winding efficiency. This makes it well-suited for use in high-power, high-frequency switching applications.

In addition to its applications in power conditioning circuits, the HK21252N2S-T can also be used in RF applications. Its wide-range frequency response makes it suitable for use in filters, as well as in other RF components.

To summarize, the HK21252N2S-T is a type of fixed inductor that has numerous applications in power conditioning and RF circuits. It is a surface-mounted, low-profile device that is designed for high-power applications. It has a wide operational frequency range and excellent winding efficiency, as well as high levels of thermal efficiency and low loss during operation. Its built-in self-resonance ensures stable operation, and its symmetrical design allows it to be folded and used in two different configurations. It is an ideal choice for use in high-power, high-frequency switching applications.

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