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Fixed Inductors

An inductor is an electronic component used in radio-frequency applications. It often features an inductance value determined by the choice of the core and the number of turns. As such, it is mainly used to create a frequency-dependent impedance in circuits. In general, an inductor consists of a coil or spiral of insulated metal wire wound around a core material. Since its impedance increases in proportion to the frequency it is used in the radio-frequency range of up to approximately 1MHz. Fixed inductors as a type of inductor are commonly used in electronics. SRR0905-680Y is a specific type of fixed inductor.

SRR0905-680Y is an excellent fixed inductor with a wide variety of applications. This specific model has a rated current of 14mA and an SRF of 200MHz. It is typically used for general purpose circuit applications such as DC-DC converters, high frequency filters, clocks, oscillators, and charge pumps. It offers excellent stability, reliability, and high efficiency. Moreover, the SRR0905-680Y is capable of providing low noise performance.

Working Principle

The SRR0905-680Y features an inductive core surrounded by an insulated copper wire. When an alternating current is applied, the current in the wire creates a changing magnetic field that induces an electric field. This magnetic field is proportional to the current and is therefore known as inductance. The inductance increases with the number of loops. This affects the impedance of the circuit and thus its frequency dependent behavior.

The SRR0905-680Y has three fixed parameters that determine its inductance: the number of turns, the cross-sectional area of the wire and the permeability of the core. When the current changes, the magnetic field inside the inductor also changes which affects the current. This creates a feedback mechanism that ultimately determines the frequency response of the inductor. Because of this feedback, the frequency response is highly dependent on the three parameters mentioned earlier.

Advantages & Disadvantages

The SRR0905-680Y offers several advantages over other types of fixed inductors. Firstly, it produces a very low noise performance. This is because the inductance control effect minimizes interference and allows for a much higher signal-to-noise ratio. Secondly, it is capable of providing excellent stability which helps to reduce design complexity. Finally, it offers high efficiency, which allows for higher power levels to be achieved.

On the other hand, as a type of non-polarized inductor, the SRR0905-680Y also has some drawbacks. First, the inductance is fixed and cannot be changed, which limits its applications. Secondly, because of the feedback mechanism, the circuit’s behavior may often be unpredictable. Thirdly, the inductive core can saturate if too much current is applied, leading to uncontrollable behavior.

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