SPD74R-473M

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Fixed inductors are passive electronic components made from coils of wires wrapped around a ferrite rod core. They have a wide range of applications in electrical engineering and can be used in coupling, filtering, and protection circuits. The SPD74R-473M is a type of fixed inductor that is particularly suited for RF and other high-frequency applications. In this article, we will take a closer look at what the SPD74R-473M is, its application fields, and its working principle.

The SPD74R-473M is a high-frequency, surface-mount RF inductor with a wide variety of electrical and mechanical specifications. Electrical specifications include a peak current of 2A, a reduced copper bottom for increased efficiency, and a resonance frequency of 180MHz. Mechanical specifications include a diameter of 4.25mm, a height of 3.12mm, and a weight of 2g. The inductor is characterized by low DC resistance and a high Q factor, making it suitable for resonant circuit designs.

The SPD74R-473M is typically used for RF filters, directional couplers, and LC oscillators. Its high Q factor and wide range of electrical specifications make it well-suited for these applications. It can also be used in the construction of high-frequency matching circuits, voltage regulators, and other designs that require high-frequency components.

The SPD74R-473M works on the basis of Faraday’s law of induction. When current passes through the inductor’s coil, it creates a magnetic field around the core. This magnetic field will induce a voltage in the coil, thus creating an inductive effect. This effect can be modulated by varying the number of turns in the coil and the material used for the core. By tuning the inductor’s parameters, it can be optimized for high-frequency applications.

In conclusion, the SPD74R-473M is a high-frequency, surface-mount RF inductor with a variety of electrical and mechanical specifications. It is commonly used in RF filters, directional couplers, and LC oscillators due to its high Q factor and wide range of electrical specifications. The SPD74R-473M works on the basis of Faraday’s law of induction, whereby current passing through the inductor’s coil creates a magnetic field which induces a voltage in the coil.

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