SPD74R-104M Inductors, Coils, Chokes

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Fixed inductors are passive electronic components that have a wide variety of applications ranging from filters to antenna tuning devices. SPD74R-104M is a fixed inductor that is used in many applications. This article will cover the application field and working principle of the SPD74R-104M fixed inductor.

The application field of SPD74R-104M can be mainly divided into four areas. Firstly, it is used in high-frequency transformer circuits due to its capability to reduce high-frequency noise. Secondly, this inductor can be used as the output stage in differential amplifiers. Thirdly, it is used in antenna tuning and matching circuits to reduce the reflected signal. Finally, it is used as a filter to reduce the output voltage ripple.

Apart from the application field, it is also important to understand the working principle of the SPD74R-104M inductor. Basically, it acts as an energy storage device which stores electrical energy in the form of magnetic fields. In a fixed inductor, the core material comprises either a ferrite or a metal. The core is wrapped by a wire which carries electrical current, which will create a magnetic field. When current is applied to the inductor, the magnetic field will accumulate inside the core, creating a magnetic flux. This magnetic flux will induce a voltage across the inductor known as the back-EMF voltage. This voltage will oppose the applied voltage, which results in a drop in the voltage across the inductor. This voltage is used to regulate the current in the circuit.

In conclusion, the SPD74R-104M inductor is a versatile fixed inductor that can be used in a variety of applications. It can be used in high-frequency transformer circuits, differential amplifiers, antenna tuning circuits and as a filter to reduce the output voltage ripple. Its working principle is based on the magnetic flux that is induced by the electrical current, which results in a back-EMF voltage. This voltage opposes the applied voltage which then reduces the voltage across the inductor.

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