B78148T3471J

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Fixed inductors are passive electrical components used in a wide variety of electrical circuits and applications, such as power converters, switch-mode power supplies, RF filters, and timing circuits. The B78148T3471J is a fixed inductor featuring low profile, high permeability, excellent linearity, and a wide inductance range. It is designed for use in high-frequency switching power supplies, DC-DC converters, particularly in consumer digital products and automotive applications.

The B78148T3471J is designed with high-frequency materials. It features a high alloy ferrite core that is saturated with the highest flux densities. The inductance is based on a magnetic field created between the core and the winding. The high permeability core has a grain oriented structure to reduce winding, consequently reducing core losses and providing high efficiency and a high Q-factor.

The construction of the B78148T3471J includes an iron powder core, copper wire, and a polyurethane wound bobbin which encapsulates the winding to ensure durability and to provide a low DC resistance. The insulation coating is constructed from polyurethane and fluoropolymer resin which grants operating temperatures up to 150°C, and provides acoustic reduction to supply noise generated by electricity.

The B78148T3471J has a wide inductance range from 1uH up to 10mH with tolerances of ±20%. It has a maximum DC resistance of 0.28 Ω and saturation current from 0.44 A to 21 A. The part is available in two different sizes, the diameter of 12mm x L 3mm and 13mm x L 10mm. The product is available on a 7x16mm reel, allowing for automated assembly and fast system build.

The B78148T3471J has a wide range of applications, including over-voltage protection, surge suppression, EMI filter, and power factor correction circuit. It is suitable for different frequency ranges, and is capable of high-frequency operation such as resonance energy conversion, and voltage and power regulation. It is also used in switching power supply modules, fast frequency sweep circuit, and voltage multipliers.

In conclusion, the B78148T3471J fixed inductor is an excellent choice for applications requiring low profile, high permeability, excellent linearity, high efficiency, and wide inductance range. It is suitable for a variety of applications, including over-voltage protection, EMI filter, power factor correction, and resonance energy conversion. The part is delivered in two different sizes, and is available on a 7x16 mm reel for automated assembly.

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