74F226AP

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Fixed inductors are commonly used components in electrical and electronic circuits, like most inductors, to store energy in the form of an electromagnet. They are made up of an inductive element constructed from a length of insulated wire wrapped around a core of a ferromagnetic material such as iron. The 74F226AP is a type of fixed inductor that is useful in both analog and digital circuits. It is an axial inductor that is available in a single in-line package, with a rod-core construction, and is most often used in switched mode power supplies, DC-DC converters, and other circuit protection and filtering applications.

The 74F226AP has a maximum DC current rating of 0.5A at a peak inductance of 3.5uH, which makes it suitable for higher power applications. It also has a very good inductance tolerance of +/-30%, making it a reliable and consistent component in high-performance designs. The 74F226AP has a self-resonant frequency of up to 6MHz for a 0.1uH inductance, making it a very efficient choice for switching frequency designs.

The working principle of the 74F226AP is relatively straightforward. When a direct current (DC) passes through the coil, it creates a magnetic field. This magnetic field stores energy and induces an electromotive force (EMF) in the coil. This EMF is then dissipated across the inductive element. The more magnetic flux linked with the inductor, the more voltage is induced. This is why higher frequency currents, such as those found in switching mode power supplies, require a higher self-resonant frequency rating for the 74F226AP.

The inductor’s design allows it to filter and protect circuits by canceling out high-frequency electrical noise, like that caused by electromagnetic interference (EMI). This is why the 74F226AP is an especially useful component for EMI protection applications. Since the coil has a low constant voltage drop, it can also be used as a high-frequency electronic ballast, allowing circuits to remain stable and reduce harmonic distortion.

Overall, the 74F226AP is a highly reliable fixed inductor that is available in a miniature SIP package. It is perfect for applications that require a high self-resonant frequency and reliable inductance accuracy. The 74F226AP is well-suited for use in switched mode power supplies, DC-DC converters, and other circuit protection and filtering applications.

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