SPD73-473M

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Fixed inductors play an important role in various electrical devices. The SPD73-473M is one type of fixed inductor that has been gaining a lot of attention. In this article, we will be exploring the application field and working principle of SPD73-473M.

The SPD73-473M is a ferrite-bead type inductor produced by TDK\'s polymer aluminium electrolytic capacitor division. It is constructed from a ferrite-material core and surrounded by an epoxy-resin bobbin. The resin bobbin is then filled with a polypropylene-resin-tape with a copper-wire coil. This combination gives the SPD73-473M a wide range of inductance and moderate current handling.

The SPD73-473M is typically used in applications that require a relatively high current handling, such as power supplies, motor drives, and the like. It is also capable of being used in higher frequency applications as it has a low parasitic inductance. Due to its moderate size, it is suitable for use in situations that require a small footprint.

The working principle of the SPD73-473M is based on Faraday\'s Law which states that the induced voltage in a conductor is proportional to the rate of change of magnetic flux through the conductor. The SPD73-473M is constructed from a ferrite-material core which creates a strong magnetic field. When the current flows through the copper-wire coil, it creates a changing magnetic flux which induces a voltage in the induction coil at the core.

The SPD73-473M has a unique set of features that make it well-suited for use in various applications. Its high current handling capabilities and moderate size make it an ideal choice for power supplies, motor drives, and other applications that require a high current handling. Its low parasitic inductance also makes it suitable for use in higher frequency applications. Moreover, its structure prevents significant heat generation even when operating at high current levels.

In conclusion, the SPD73-473M is an excellent choice for many different types of applications. It is a high current handling, moderate size, ferrite-bead type inductor with a low parasitic inductance. It is constructed from a ferrite-material core and surrounded by an epoxy-resin bobbin that is then filled with a polypropylene-resin-tape with a copper-wire coil. This combination gives it outstanding current handling and low parasitic inductance, making it ideal for use in power supplies, motor drives, and other applications requiring a high current handling. Additionally, its structure prevents significant heat generation even when operating at high current levels.

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