3443-20K

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Fixed Inductors

An inductor is a passive two-terminal electrical component which resists changes in electric current and converts electrical energy into magnetic energy. It is also one of the major components in an electric circuit, commonly used for filtering, coupling, blocking, and tuning. In this article, we’ll be taking a look at the 3443-20K inductor and its applications and working principles.

3443-20K Inductor

The 3443-20K inductor is a metal-oxide-semiconductor (MOS) based fixed inductor, with an inductance of 20 kilo ohms. It is used in switching voltage regulators, power amplifiers and data communication circuits. The 3443-20K is available in various tolerance levels, and it features extended temperature range, high inductance and low ESR.

Component Parts

The 3443-20K inductor consists of three main components: a wound coil, a ferrite core, and a ceramic body. The coil is an insulated copper wire which is wound around the ferrite core, creating an inductance which can be measured. The core is made of ferrite, which provides extra inductance. Finally, the ceramic body provides mechanical support and further inductance.

Application Field

The 3443-20K inductor is used in a wide variety of applications, including voltage regulators, power amplifiers, filtering, data communication, and more. In particular, the 3443-20K is very well suited for high power switching applications, as its high inductance and low ESR make it ideal for the job. In addition, the 3443-20K can be used in RF applications, to provide additional shielding, and / or matching.

Working Principle

The 3443-20K inductor works by creating an inductance in a circuit. Inductance is created when a current is passed through a coil, creating an electromagnetic field which induces a voltage in the coil. This induced voltage opposes the change in current, creating a resistance, and thus an inductance. The higher the inductance, the stronger the resistance to changes in current.

Conclusion

The 3443-20K inductor is a type of metal-oxide-semiconductor (MOS) based fixed inductor, with an inductance of 20 kilo ohms. It is used in switching voltage regulators, power amplifiers, data communication circuits, and more. It is well suited for high power switching applications, as it has a high inductance and low ESR. Its working principle is based on the creation of an inductance in a circuit, as the current passing through the coil creates an electromagnetic field which induces a voltage and creates a resistance, thus creating an inductance.

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