2256-221K

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Fixed inductors are passive electrical components used to supply a standard quantity of inductance in an electronic circuit. 2256-221K is a type of fixed inductor manufactured by Vicor Components, Inc. It offers a wide range of inductance values and operating temperatures.

The 2256-221K fixed inductor is a surface mount inductor made from a five-layer ceramic core construction. The inductor consists of a core with two internal wires that are connected to terminal pins. The inductor is also available with a shielding feature for higher frequencies. On the exterior, the 2256-221K is coated with a high-temperature, epoxy-polyamide insulation which provides additional protection against electrical shorts.

The inductor is primarily used for applications such as onboard and automotive electronics, high-efficiency power switching, and telecommunications. It is also suitable for high current and/or high voltage projects involving either regulated or unregulated power supplies and inductive loads. Furthermore, the 2256-221K has an operating temperature ranging from -40 to 125 °C and is able to withstand peak transient surges of up to 1250 Amps.

The working principle of a fixed inductor is relatively simple. It is essentially a simple coil of wire which when energized, generates a magnetic field. This magnetic field then induces a voltage in the coil proportional to the rate of change of the current flowing through it. This property of inducing a voltage in the coil is known as inductance. The inductance value of the 2256-221K adjustable inductor can be adjusted from 0.1 µH to 0.75 µH by varying the number of turns in the coil.

The 2256-221K adjustable inductor is a versatile tool for electronics designers as it can be used for a variety of applications including: Switch Mode Power Supplies (SMPS), voltage-controlled oscillators (VCOs), audio filters, RF transmitters and receivers, and power supplies for consumer electronics. It is also suitable for high-frequency applications such as RFID tags, wireless communication systems, and UWB (Ultra-Wideband) radios and devices.

In summary, the 2256-221K adjustable inductor is a versatile and reliable device for a variety of electronic and electrical applications. Its wide operating range and high peak transient surge capability make it an ideal choice for high-current and high-voltage projects. This has made it a popular choice for automotive, onboard, and telecom applications. Its inductance can be easily adjusted by varying the number of turns in the coil, giving it the flexibility to be used in a variety of different electronic designs.

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