LQW15AN4N0B8ZD

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Fixed inductors play a critical role in registering current in a circuit in a few manners. Meter long coils, for example, help maintain a flow of current in electronic devices. The LQW15AN4N0B8ZD, derived from TDK, is a range of shielded wirewound surface mount fixed inductors distinguished from other device variants by its smaller mounting sizes and low DC resistance. This coupled with a higher rated current of up to 2.5A makes it ideal for high-frequency applications such as audio receivers and DVD players. It is also commonly used in chargers, power supplies and battery-backed circuits.

But how do fixed inductors actually work? When a current is passed through the wire of an inductor, a magnetic field is generated in the core material. This magnetic field then has an effect on the flow of current: it resists change, meaning that the inductance increases as the current in the coil increases, and vice versa. It should be noted, however, that the level of inductance is not constant: external conditions such as temperature or humidity can cause changes in the inductance. In contrast to other varieties of inductors, in a fixed inductor the value of inductance, which is represented by a given number of turns of wire, is constant and does not vary significantly.

The LQW15AN4N0B8ZD has several technical features which add to its popularity among designers. Its high self-resonant frequency of up to 20GHz is an attractive factor to designers when considering how quickly an inductor responds to changing electric currents in high-frequency operations. It also has a high Q-factor which indicates the efficiency of the inductor’s ability to store and deliver energy to a circuit and is measured by the ratio of inductive resistance to resistive losses. The LQW15AN4N0B8ZD also has a high saturation current rating at up to 3A, meaning it can achieve permanent magnetism within its core component when placed under extreme current levels, giving it an advantage over standard ferrite core inductors.

The wide range of applications that the LQW15AN4N0B8ZD is suited for, its reduced mounting size, and its range of features, make it an ideal choice for designers and engineers in numerous industries such as automotive, communications, medical, and robotics. For any situation where space and greater power saving are paramount, the LQW15AN4N0B8ZD is an optimal solution.

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