2256-49L

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Fixed Inductors

Fixed inductors are electrical components designed to provide a fixed reactance to alternating current. They offer low cost solution for a variety of applications that require constant impedance over a wide range of frequencies. While the majority of inductor designs utilizes a metallic core, fixed inductors are also available using a ferrite core. The 2256-49L inductor is a fixed component that uses a ferrite core and is available in a variety of sizes and tolerance levels.

2256-49L Application Field and Working Principle

The 2256-49L description states that it is a non-magnetic, high-precision fixed inductor. It has a current rating of up to 500mA, an inductance of 18uH and a tolerance of 10%. The size of this component is 5 x 5 x 4.2mm and it is designed to provide a fixed reactance to alternating current up to 20MHz. It is designed with a ferrite core which is composed of powdered iron and other materials.

The major application field for the 2256-49L is low loss power supply designs where there is a need for improved ‘ripple’ performance. It is also suitable for switching regulator circuits, DC-DC converters and amplifier circuits that require good ripple rejection over limits of 200–600KHz.

The working principle of the 2256-49L revolves around the ferrite core. The powdered iron core combined with other materials, acts as a magnetic core for the inductor. This magnetic core amplifies the winding of the component and increases the inductance, reducing the frequency of the alternating current through the inductor. The precise tolerance level ensures a precise current level is maintained, providing higher efficiency and lower levels of ‘ripple’.

The standard design of the 2256-49L inductor is with a series of windings wrapped around a ferrite core. This type of inductor has a wide frequency response and provides low thermal losses along with a high quality factor. This type of both inductor can be used for power conversion and power filtering.

The 2256-49L inductor offers superior performance over other fixed inductors due to its higher inductive value, higher saturation current and precise tolerance level. This simple yet effective design of inductor ensures greater efficiency over a wide range of frequencies with minimal ripple. This type of inductor is perfect for audio circuits, power converters and switching regulating circuits that require improved performance.

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