IMS05BH120K

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Fixed inductors, widely known as chokes, are passive electrical components used in low-power consumer electronics. The IMS05BH120K is a high-current inductor that is often used in its capacity as a switching power supply filter choke. The IMS05BH120K is a general-purpose inductor with some unique features that make it an ideal solution for a range of applications.

The IMS05BH120K is a surface mount, low-cost inductor perfect for a variety of applications including ripple reduction, power control, and constant current duties. It is specifically designed for high-frequency switching power supply and voltage regulator applications. Its balanced magnetic characteristics provide low noise performance. Additionally, its wide ambient temperature range helps it maintain stable performance from -55°C to 125°C.

This inductor is especially suited for the switching power supply filter choke and is the preferred choice for a variety of boards and consumer electronics, including current-limiting, charging circuit inductors, power unit inductors, and other applications that require high current and high frequency.

Working Principle

A choke in an electrical circuit is an inductor with a purpose of either reducing the frequency of an alternating current (AC) or increasing its AC voltage level. In a choke, the magnetic fields around the windings of wire cut through the electric current, inducing an opposing magnetic field and creating a reactance to current flow which is described as inductance. This inductance is greater for higher frequencies, making this type of transformer effective in blocking, or reducing the amount of higher-frequency noise present in an AC signal.

Chokes have several advantages over other components in a circuit. First, they are relatively inexpensive, making them a cost-effective means of reduction. Second, their stable inductance across the operating frequency range means they cannot be overloaded or over-heated, meaning they are relatively resilient to changes in operation.

The IMS05BH120K is designed to be used in a wide range of applications, from switching power supply filters to voltage regulator designs, and is specifically designed to provide good ripple control, power control, and constant current duties. Its working principle is similar to a normal choke, but with the addition of a heat sink to spread the heat generated during operation. This allows the inductor to withstand high currents while maintaining good magnetic characteristics and low noise performance.

The IMS05BH120K also features a wide tolerance range, up to ± 10%, which helps ensure accurate current control even when subject to significant temperature changes. Additionally, its low DC resistance rate helps reduce losses in the circuit.

Overall, the IMS05BH120K is a reliable, cost-effective, and durable inductor that can be used for a variety of applications, from basic DC power supply duties to advanced switching power supplies. Its wide range of applications and features make it an ideal solution for a variety of circuits.

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