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Fixed Inductors

Fixed inductors, also known as “chokes”, are passive electronic devices composed of a coil that stores energy in an electromagnetic field. Most often, they are designed with an iron core or ferrite core to increase inductance and are available in a range of shapes and sizes. The 5022-152G is a great example of a fixed inductor, whose applications would generally be found in a power-circuit and/or wide frequency band filter circuit. It is equipped with a water-proof seal, making it suitable for high humidity conditions. The product has an inductance tolerance of ±20%, withstanding a maximum operating temperature of 105°C and a rated current of 10A.Fixed inductors are mainly used in the filtering, pulsing, and tuning of circuits. In the filtering of circuits, when the inductor is connected in series, it blocks the transmission of high frequencies and passes low frequencies allowing for a large characteristic impedance and low insertion loss; the inductor passes little or no current when working in the a.c.circuit. This allows for stable signals from the power supply. Filtering applications can be used in power supplies, amplifier outputs, and telephone lines. In pulsing circuits, it produces high currents and radio-frequency signals. In both induction heating and pulse motors, inductors are responsible for generating high voltage in order to generate oscillating pulses.Finally, in tuning circuits, inductors are widely used in oscillating circuits, filters, and wave traps. In these circuits, the inductor is used to tune radio and television antennas and for the detecting of variable currents.When it comes to the working principle of fixed inductors, their phenomena are based on electrical induction. This type of induction occurs when a varying current flows through a coil of wire that produces an electromagnetic field. The changing field induces current in a second coil of wire, allowing for the transmission of energy from one circuit to another. The more turns a wire has, the greater the inductance when it’s electrically connected with an alternating current. The relationship between the current in a coil and the electromagnetic field it creates is known as Faraday’s Law.Fixed inductors are essential devices in any electronic circuit, as they are responsible for regulating both voltage and current. They are used for a variety of applications because of their compact and useful design. The 5022-152G is one of the best examples of fixed inductors and its applications are vast.

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