LHL13NB472J

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Fixed inductors are passive components designed to oppose the changes in current, and are also known as coils, chokes, or inductors. The LHL13NB472J is a fixed inductor suitable for mid-high frequency applications between the range of 3MHz to 80MHz per manufacturer specifications. It features an inductance value of 470nH, and a DC Resistance (DCR) of 25 milli-ohms.

A fixed inductor in this sense is a two-terminal electrical component with an inductance that need not change with the application of current or voltage. This means that when a current is induced into the coil, an opposing magnetic field also forms. This opposing force is known as inductive reactance, and it works to oppose the current.

The LHL13NB472J, specifically, is a synthetic ferrite (NF), wirewound inductor, with aRated Current (IR)of 1.9A. It is constructed with a ferrite core material, and a high-conductivity copper wire wound around it. This construction results in a low profile, and a high current-bearing capacity suitable for power factor correction, high frequency switching and other power applications.

The LHL13NB472J is ideal for high frequency switching converters and AC-DC applications due to its low private resonance frequency. This inductor can also be used in LC filters, and voltage regulator modules. The product has a tolerance range of ±20%, and is housed in a 10x10x11mm application package.

As aforementioned, a fixed inductor has an inductance that does not change with an increase or decrease in current or voltage. This is because its opposition to current changes is solely a function of its structure, size, and also of the material’s permeability. The inductance still causes some degree of losses as a result of opposing inductive reactance.

The LHL13NB472J is used most commonly in circuit designs which have low power consumption requirements, since its low DCR allows for low losses even at high current. This inductor often functions in combination with capacitors, resistors, transistors and diodes to form complete electronic circuits such as signal generators and amplifiers. It is also used in the control of DC motors and dynamos, operating controls, and voltage regulation.

In conclusion, the LHL13NB472J is an excellent fixed inductor to use for mid-high frequency applications, as well as a number of other devices which require a low profile and reliable current-bearing capacity. Its low Private Resonance Frequency, as well as its small tolerance range make this product ideal for a number of scenarios.

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