74408942680

DC Resistance (DCR):	1.02 Ohm Max
Height - Seated (Max):	0.118" (3.00mm)
Size / Dimension:	0.189" L x 0.189" W (4.80mm x 4.80mm)
Supplier Device Package:	--
Package / Case:	1919 (4848 Metric)
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	8MHz
Q @ Freq:	--
Series:	WE-SPC
Shielding:	Shielded
Current - Saturation:	750mA
Current Rating:	490mA
Tolerance:	±20%
Inductance:	68µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Fixed inductors, the electronic component 74408942680 included, are specifically designed to be used in electrical circuits and conduct electrons. Specifically for the 74408942680, it is designed with a winding core and square encasement, which is meant to create a magnetic field that restricts the current flowing through the core. Ultimately, its application and working principle makes it an important part of electrical circuits.

Application Field

Fixed inductors, including the 74408942680, are mainly used in high frequency signal circuits and home appliances. In high frequency signal circuits, the inductor can be used to filter the undesired high frequency signals away by increasing the inductance. This will ultimately lower the frequency, and make the circuit works better. In home appliances, the inductor can be used with a capacitor in AC circuits to create the power factor correction. The inductor will block high frequencies, leaving the low frequencies that can be used to get the power factor correction and other AC signals we desired. In power supplies, the inductor can also be used to filter and regulate the direct current.

Working Principle

The 74408942680 is designed to create a magnetic field that restricts the current through it. This is called the induction effect. The induction effect requires two types of magnetism, also known as the stray magnetic field and the internal magnetic field. The internal magnetic field is created by the windings of the core, where it stores energy. The stray magnetic field is generated when the current flow through the unit, which will be restricted by forces associated with the internal magnetic field.When the current is passed through the unit, the induction effects create an electric field within the core which stores the energy. On the other hand, the external electric field also creates an inductive effect. The inductive effect is a by-product of the induction effect, which is responsible for the build-up of current in the conductor. The current stored in the coil can be estimated using Faraday\'s law of induction, which states that the induced voltage is equal to the rate of change of magnetic flux with respect to time. This equation is used to calculate the amount of current in the core. By altering the current, the voltage can also be altered, thus regulating the current flowing through the circuit.

Conclusion

The 74408942680 fixed inductor is an essential component used in both high frequency signal circuits and in home appliances. This particular inductor can be used to restrict the current flowing through the core using its magnetic field. Its induction effect allows it to create an electric field to store energy, as well as an external electric field which will generate the inductive effect. By understanding the inductor’s application and working principle, we can use it more efficiently and effectively in circuits.

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