74479887210 Inductors, Coils, Chokes

DC Resistance (DCR):	290 mOhm
Height - Seated (Max):	0.047" (1.20mm)
Size / Dimension:	0.098" L x 0.079" W (2.50mm x 2.00mm)
Supplier Device Package:	1008 (2520 Metric)
Package / Case:	1008 (2520 Metric)
Mounting Type:	Surface Mount
Inductance Frequency - Test:	1MHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	100MHz
Q @ Freq:	15 @ 1MHz
Series:	WE-PMI
Shielding:	Shielded
Current - Saturation:	1.2A
Current Rating:	1A
Tolerance:	±20%
Inductance:	1µH
Material - Core:	--
Type:	Multilayer
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

Fixed inductors (74479887210) are devices that create an electromagnet by using a coil of wire and a ferromagnetic core. Inductors are one of the basic components in electronic circuits that are responsible for creating a magnetic field when a current runs through them. Inductors are used in a variety of applications and are essential in the functioning of many electrical and electronic circuits.

Types of Fixed Inductors

There are many types of fixed inductors, each suited to its particular application. Commonly used types of inductors include copper-wound, ferrite-core, axial, and surface-mounted inductors. Copper-wound inductors are solid inductors with a coil of copper wire wound around a core and solderable terminals for the leads to the circuit. The copper-wound inductors are typically less expensive than other types of inductors, but have less inductance. Ferrite-core inductors have a ferrite core along with a coil of wire which provides greater inductance than the copper-wound inductors. Axial inductors have a cylindrical shape and come in a variety of sizes and inductance values. Surface-mounted inductors are much smaller than the other types and are typically used in high-density layouts.

Working Principle of Fixed Inductors

Fixed inductors use the principle of electromagnetic induction to create a magnetic field when a current runs through the coil. When current runs through the inductor, a magnetic field is created in the core which in turn induces an electromotive force in the coil. This electromotive force opposes the original current, creating a back EMF also known as an inductive reactance. This reactance opposes the change in current, thus limiting the flow of current through the inductor. The amount of inductance is dependent on the type and shape of the inductor, as well as the core material and number of turns in the coil.

Application of Fixed Inductors

Fixed inductors are used in a variety of applications, such as filters, power supplies, high-frequency sensing and conversion, and in telecom applications. They are also essential for power supply decoupling, where they are used to provide high frequency noise suppression. In audio applications, inductors are used to tune audio circuits and provide low-frequency shaping. They are also used in signal conditioning circuits to regulate current and voltage. Inductors can also be used as electromechanical transformers, where one terminal of the inductor is connected to a signal voltage source and the other terminal is connected to a load.

Conclusion

Fixed inductors (74479887210) are essential components in electronic circuits, and are used in a variety of applications. They operate using the principle of electromagnetic induction, where an electric current produces a magnetic field which in turn induces an electromotive force that opposes the original current. Inductors are used for various purposes such as power supply decoupling, filtering, and in audio circuits.

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