SP1812R-392G

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Fixed Inductors

Fixed inductors have numerous uses in electrical engineering. They can be used to reduce or ignore the effect of certain signal frequencies, to create a voltage filter, to create a charge, and to convert AC to DC. The SP1812R-392G is a surface mountable, radial leaded general purpose power inductor suitable for DC to DC converters, power supplies, and other commercial applications.

Application Field

The SP1812R-392G is a fixed type power inductor, which is applicable for DC to DC converters, power supplies, and other commercial applications. It is used in applications including portable radios, LCD TVs, notebook/pocket PCs, digital cameras, industrial computers, home gateways and health care devices. This inductor has a high permeability ferrite core material, copper wire, and a radial lead with an operating temperature range of -40 to 85°C.

Working Principle

In general, inductor working principle is that it resists the change in current flowing through it, thus it works as a current limiter. The SP1812R-392G inductor is able to maintain the voltage level, limit the current in the circuit and to filter out any undesired noise from the system. It controls the current in the DC to DC converter by absorbing power at high frequencies and releasing it later on.

The working of a filter immediately follows an understanding of the operating principles of an inductor. The SP1812R-392G is used as a filter to remove high frequency electrical noise from the load. The inductor behaves as a low-pass filter, allowing only low frequency signals to pass through and blocking higher frequencies, thus providing protection to the DC-DC converter circuit from high frequency noise.

Advantages

The main advantages of the SP1812R-392G fixed inductor are:

• It has a low core loss, high saturation current, and high power handling.
• It has a lowProfile and radial structure, which is suitable for space saving applications.
• High energy storage, high frequency performance, and high reliability.
• Lead-free solderability performance.
• Low profile, low core loss, and good filtering performance.

Conclusion

The SP1812R-392G fixed inductor is an ideal choice for power supply and DC to DC converter applications. It comes with a variety of features such as high current performance, low profile, lead-free solderability, and a wide operating temperature range. With its excellent performance and low power loss, the SP1812R-392G guarantees optimal power conversion for its application.

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