NS12555T681MN Inductors, Coils, Chokes

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Fixed inductors are commonly used electrical components designed to store energy in the form of an electromagnetic field for transient circuits. NS12555T681MN is one of the most popular fixed inductors widely applied in electrical engineering, providing an effective solution for various tasks. This paper examines the application field and working principle of NS12555T681MN.

NS12555T681MN is a surface-mount, molded, radial, leaded inductor designed for circuit applications with voltage rating 0.37V to 180V and current rating of 1A. It is an ideal part for switching, DC-DC converters, audio amplifiers, and general purpose noise suppression. Furthermore, it has a inductance range from 0.1µH to 2.2mH with tolerance of ±20% providing micro-sized and cost effective inductor for circuit design due to its programmable inductance.

In operation, NS12555T681MN functions like a choke that can limit the amount of current travelling through the circuit, which is also referred to as ‘noise isolation’. Essentially, when there is an AC current source in the circuit, the inductor causes the current to collapse and collapse again, as it cycles through the coil. This process of back-and-forth current flow is called inductive reactance, which is based on the magnetic field created within the coil. The inductor works on the principle that a changing magnetic field induced by the primary circuit current induces a secondary voltage in the inductor.

In summary, NS12555T681MN offers excellent inductance and current characteristics with high operational frequency and low DC resistance. Moreover, the device offers flexible programmable inductance, omni-directional assembly yield for ease of use, and high reliability with limited temperature variation. Thus, this fixed inductor is widely applied in electrical engineering for general purpose noise suppression, DC-DC converters, audio amplifiers and more.

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