IMS05EB122J

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Fixed inductors have been described as “self-contained wire-wound resistors” and are one of the most versatile and useful components in a variety of applications. Their basic structure consists of wire-coil wrapped around a core or frame, to create an inductance. The inductance is controlled by varying either the number of turns, size of the core, or the diameter of the coil wire or by using materials with different characteristics. Fixed inductors are widely used in various electronic products and devices for power conditioning, filtering, distribution and higher frequency applications such as radio-frequency or switching.

The IMS05EB122J is a fixed inductor with a low-profile (5 mm max.) size and a minimum inductance value of 1.2uH, designed for RF (Radio Frequency) application, especially for DC/DC converters. In addition, it is featured by an excellent rated current (3.2A) and a better dimension. Compared with conventional inductance, it offers the advantages of low profile and low DC resistance, making it an ideal solution for switching power supplies for laptops, tablets and other portable devices.

The working principle of the IMS05EB122J fixed inductor is based on Faraday’s law of induction, which states that an electromotive force is induced in a conducting coil when it is exposed to a changing magnetic field. In the case of the IMS05EB122J, the coil consists of a number of turns or ‘windings’ of insulated copper wire. As current is passed through the coil it produces a magnetic field, and the changing magnetic field induces a voltage across the coil, which is responsible for the inductance. This well-known relationship between voltage and current (known as self-inductance) is what makes fixed inductors so useful in a variety of applications.

The IMS05EB122J is designed for higher frequency applications, such as DC/DC converters, wireless communications, switched-mode power supplies (SMPS), RFID circuits, and other high power systems. Since the inductor is designed for high frequencies and high currents, a Ferrite core material is usually utilized to minimize losses from magnetic hysteresis and other parasitic effects. The use of a ferrite core also provides a higher saturation current (current beyond which significant power dissipation occurs), allowing the IMS05EB122J to tolerate much higher currents while still producing tight inductance tolerances and producing superior electrical characteristics.

The IMS05EB122J fixed inductor is an integral part of a variety of electronics products and devices for power conditioning, filtering, distribution, and higher frequency applications. It is designed for higher frequencies and heavier current carrying loads with excellent electrical characteristics and a low-profile size. Its Ferrite core material allows for a higher saturation current for greater tolerance towards high currents. With the IMS05EB122J, engineers are able to develop smaller, lighter, and more efficient products that are better suited to today’s increasingly demanding electronic applications.

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