SPD127R-394M

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The SPD127R-394M is a type of fixed inductor made by Superworld Electronics Co., LTD. It is used in various power supply applications and consists of a cylindrical core, a coil, and a pair of terminations. The inductor has a rated current of up to 4.5 amps and an inductance of up to 394 millihenries. In order to dissipate excess heat generated by the inductor, a ferrite core is typically utilized.

The SPD127R-394M’s primary application field is for use in DC-DC converter applications. It is used to provide current for the inverter circuit and step-up voltage for the secondary winding of the transformer. It also serves to filter frequencies outside of the designed operating frequency range, preventing the converter from malfunctioning. Besides DC-DC converters, the SPD127R-394M can also be used in automotive voltage regulators, battery charging circuits, and power factor correction circuits.

The SPD127R-394M shares many common features with other fixed inductors, such as a simple construction, low cost, and high reliability. It is also capable of withstanding high temperatures of up to 110 degrees Celsius with a maximum ambient temperature of up to 85 degrees Celsius. The operating frequency range is typically between 0.1MHz and 3MHz depending on the application.

The SPD127R-394M’s winding consists of copper wire that is wound around the ferrite core. The current flows through the conductor and creates a magnetic field around it. The magnetic field will induce an opposing voltage in the conductors, thereby creating an inductive process. The inductance of the inductor is determined by the number of turns of the windings and the size of the core.

In order to maintain a consistent performance, fixed inductors must pass tests such as burn-in, thermal shock, thermal cycling, and vibration. These tests help assure the inductor can withstand extended use in different conditions. The SPD127R-394M meets all of these stringent requirements, ensuring its reliable performance.

In conclusion, the SPD127R-394M is a type of fixed inductor manufactured by Superworld Electronics Co., LTD. It can be used in various power supply applications, such as DC-DC Converters, automotive voltage regulators, battery charging circuits, and power factor correction circuits. Its features include a simple construction, low cost, and high reliability. It is also capable of withstanding environmental effects and extended use, making it an ideal choice for various applications.

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