PTKM250-30SM

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Fixed inductors are electronic components that are used to store and share energy with an electrical circuit during operation. They are found in a variety of circuit design applications. The PTKM250-30SM is one of these types of inductors and has a number of specialized features and uses. In this article, we will examine the application field and working principle of the PTKM250-30SM.

Overview of the PTKM250-30SM

The PTKM250-30SM series, produced by SUMIDA, is a power line inductor produced with a patented winding technology. This component is specifically designed for high-frequency applications, constructed with a shielded construction which helps to minimize noise and crosstalk. Its body is made of flame-retardant, UL94V-0 material.

The PTKM250-30SM also features a large inductance range from 1.2 to 47mH, which makes it suitable for a variety of circuit designs. Its rated current ranges from 13.6A to 33A with a high saturation current up to 90A. The PTKM250-30SM also has a low DC resistance of 0.007~0.06 Ω, ensuring a low energy loss during operation.

Application Field of the PTKM250-30SM

The PTKM250-30SM series is mainly used in power line applications due to its high-frequency characteristics. Its high saturation current, low DC resistance and wide inductance range makes it suitable for a variety of circuits. Common uses include boost converters, LED lighting, and switching power supply designs.

The PTKM250-30SM is also a great option for use in automotive applications. It features a high tolerance to both temperature and humidity, making it ideal for a range of automotive applications. Additionally, its shielded construction also helps to reduce EMI noise, making it a great option for high precision applications.

Working Principle of the PTKM250-30SM

The working principle of a fixed inductor is simple to understand. A fixed inductor is essentially a coil wired around a core with a specific number of turns of current passing through it. When current is applied to the coil, the magnetic flux created by the coil induces a voltage across the turns. This generated voltage opposes the current flow, limiting the current and storing energy within the coil.

The PTKM250-30SM is a power line inductor designed for high-frequency applications. It utilizes a patented winding technology which allows it to store more energy in a smaller form factor. This also allows it to handle a more powerful current and have a much lower DC resistance.

Conclusion

The PTKM250-30SM is a specialized fixed inductor designed for high-frequency applications. It features a shielded construction to minimize noise and crosstalk, and a high saturation current level to ensure a low energy loss during operation. It is suitable for a variety of circuits such as boost converters, LED lighting and switching power supplies, and is also a great option for automotive applications due to its tolerance to both temperature and humidity.

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