LQW21HN1R0J00L

DC Resistance (DCR):	2.86 Ohm Max
Height - Seated (Max):	0.039" (1.00mm)
Size / Dimension:	0.079" L x 0.047" W (2.00mm x 1.20mm)
Supplier Device Package:	0805 (2012 Metric)
Package / Case:	0805 (2012 Metric)
Mounting Type:	Surface Mount
Inductance Frequency - Test:	10MHz
Operating Temperature:	-40°C ~ 85°C
Ratings:	--
Frequency - Self Resonant:	450MHz
Q @ Freq:	35 @ 100MHz
Series:	LQW21
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	115mA
Tolerance:	±5%
Inductance:	1µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors: LQW21HN1R0J00L Application Field and Working Principle

Fixed inductors, also known as chokes, are specialized electronic components that use a coil of wire or inductive core to store energy temporarily within a changing magnetic field. These components are essential to filter DC power or isolate individual parts of a circuit from each other. The inductor with model intials LQW21HN1R0J00L is an example of a fixed inductor. This article will go into detail about its usage, as well as a discussion of its working principle.

Application Field

The LQW21HN1R0J00L fixed inductor is most commonly found in communication systems, audio filters, and power supplies. As an RF (Radio Frequency) inductor, it is most commonly used in the electronics part of mobile phones, due to its small size and capacity for blocking and suppressing interference. It can also be used in applications outside of RF, electrically isolating and stabilizing a circuit, or low-frequency circuits such as audio signals.

Operating Principle

The operating principle of a fixed inductor relies on Faraday\'s Law of Induction - that whenever a current passes through a turn in a conductor, an electromotive force (EMF) is induced in the coil. The magnitude of this force is proportional to the rate of change of the coil\'s magnetic field, which is in turn determined by the current passing through the coil. This EMF creates an opposing force in the conductor, and the more turns the conductor has, the stronger the opposition.Thus, by regulating the current flow, the fixed inductor can be used to oppose or reduce frequencies at specific levels. This is why it is commonly used in mobile phones, as the interference produced by certain high-frequency components can be reduced by utilizing the fixed inductor\'s properties.In addition, the fixed inductor can also be used to store energy, since the electric charge flowing through the coil creates a magnetic field that stores the energy. This stored energy can then be released and used at a later time, making it a versatile component. Fixed inductors are also often used to correct the phases of power in an AC circuit.

Conclusion

Fixed inductors are extremely versatile and useful components, and the LQW21HN1R0J00L model is no exception. It can be used to filter out interference in communication systems, stabilize and isolate circuits, and store energy for later usage. Working on the principle of Faraday\'s Law of Induction, the LQW21HN1R0J00L fixed inductor is one of the most reliable and widely used inductors of its type.

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