2256-221J

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Fixed Inductors include various types of components that function as inductors over a wide range of frequency and temperature. They provide important features such as low equivalent series resistance (ESR), high efficiency, low thermal resistance, and suitable for DC/DC converters, LCD backlight, and LED lighting applications. 2256-221J is one of the typical series of fixed inductors. It is a surface-mountable, single-layer wound inductor with a low resistance.

2256-221J supports a wide range of power ratings from 0.2W to 1.5W. It features a color-coded inductance selection that offers the flexibility to meet customer application requirements. 2256-221J offers an inductance range of 0.10μH to 1000μH with tolerances of ±20%. The maximum DC operating current is 3.80A and maximum DC resistance is 2.7mΩ. The operating temperature range is -55°C to 125°C. It also has an electromagnetic compatibility classification of "Class B."

2256-221J applications include DC-DC converter, high-frequency amplifier, and data communication products. It is designed for use in a wide range of applications because it can withstand high ripple current, vibration, and thermal shock. The high inductance-to-current ratio makes it suitable for high-current applications.

2256-221J is built using an air-core inductor with copper wire winding. The core material of the inductor is ferrite. The copper wire winding is wound around the core and then encapsulated in a plastic housing. This shields the inductor from electro-magnetic interference (EMI) and provides a low-resistance electrical connection to the board. The inductor also has an in-line resistor that provides “pre-bias” or initial inductance.

The working principle of the 2256-221J is based on Faraday\'s law of induction. This means that when a varying current flow through a conductor or coil, a varying magnetic field is generated. This in turn will induce an electromotive force (EMF) in the opposite direction. The magnitude of the EMF is determined by the rate of change of the current multiplied by the number of windings. The number of windings will depend on the inductance rating of the inductor, and is usually indicated by a colored marking on the body of the component.

2256-221J is a fixed inductor that provides excellent features such as low resistance, low ESR, and high efficiency in demanding applications. It is capable of operating over a wide temperature range and can withstand high ripple currents, vibration, and thermal shock. It offers a wide range of inductance ratings, is cost-effective, and has a maximum DC operating current of 3.80A. 2256-221J is suitable for a wide range of applications including DC-DC converters, high-frequency amplifiers, and data communication products.

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