CW252016-R15G

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Fixed inductors are electrical components used to store energy in a form of magnetic fields. They consist of a coil or winding made up of metal wire (usually copper wire) that is wound around a core of some type. The core can be air, ferrite or powdered iron. Each type of inductor has a different application field and working principle.

The CW252016-R15G is a fixed inductor, enclosed in a small space, allowing for great flexibility in its use. This inductor is mainly used in mobile charger and power bank circuits. It is wound with 2mH/85uH and features a maximum working voltage of 30V, maximum working current of 0.65A and a good temperature reliability from -25 °C to +85°C.

This inductor has a unique winding technique that allows for a great efficiency when used in low voltage and low ripple environment. It has a high saturation current, meaning that it can transfer and store more energy than most inductors. Additionally, this inductor is capable of starting up with a maximum ripple current of 1.3A, which makes it ideal for high current charging applications.

The inductor\'s operating principle is based on Faraday\'s law of induction. When a changing current is applied to the winding, it produces a magnetic field around the wire inducing a flux which in turn creates an induced voltage, U, which attempts to keep the current constant. This flux is the inductor’s fundamental property.

The winding inside the inductor has a large number of turns and therefore a large number of flux lines. The more turns or flux lines there are, the higher the inductance of the inductor. The inductance is defined as the ratio between the induced voltage U and the changing current. By changing the number of turns in the winding, the inductor\'s inductance can be changed, allowing for a range of applications.

In summary, the CW252016-R15G is a fixed inductor usually used in mobile charger and power bank circuits. It features a high saturation current and the ability to start up with a maximum ripple current of 1.3A, making it ideal for high current charging applications. Its working principle is based on Faraday\'s law of induction, which states that when a changing current is applied, it produces a magnetic field inducing an induced voltage, U, in an attempt to keep the current constant.

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