SD3118-221-R

DC Resistance (DCR):	4.77 Ohm
Height - Seated (Max):	0.071" (1.80mm)
Size / Dimension:	0.122" L x 0.122" W (3.10mm x 3.10mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	SD3118
Shielding:	Shielded
Current - Saturation:	166mA
Current Rating:	182mA
Tolerance:	±20%
Inductance:	220µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors are electrical components used in a wide variety of electronics applications, including radio and telecommunications and their related infrastructure, including SD3118-221-R applications. These inductors are used to store and supply energy for resonance, filtering, and other purposes.Inductors are typically classified as either Air Core Inductors, which use a hollow cylinder of air as the inductor core, or Iron Core Inductors, which feature an inductor core composed of ferrite material. The SD3118-221-R, however, is a special type of fixed inductor called Ferrite Core Inductors.The Ferrite Core Inductor has two essential components: the ferrite core, and a coil of wire which is wrapped around the ferrite core (which is formally called a "winding"). The ferrite core can be magnetized and demagnetized, and can thus act as a storage device. The winding of the Ferrite Core Inductor provides an inductance when a current is applied. This current supplies the energy to store a magnetic field around the ferrite core.When a voltage is applied across the Ferrite Core Inductors, a coil of wire wrapped around the core is energized, producing a magnetic field aligned along its length. The field produced by the coil of wire interacts with the magnetic field of the core. This interaction causes the core to become magnetized, thereby storing an electrical energy. When the windings are energized, the magnetization of the core will cause a current to flow through the windings, which then de-energizes the core, allowing for the release of energy. This release of energy, in turn, will cause the windings to de-energize, allowing the cycle to repeat.The Ferrite Core Inductor, such as the SD3118-221-R, is typically used in applications that require a high-speed energy transfer, such as radio, telecommunications, and related equipment. The SD3118-221-R is particularly useful for applications which require a wide frequency response, or a high tolerance to thermal shock. This makes it an ideal choice for applications which are subjected to harsh environments.Ferrite Core Inductors also have excellent surge protection capabilities, making them ideal for use in high voltage applications, such as medical imaging. These inductors are also commonly used in DC-DC converters, and other power related applications.In short, the SD3118-221-R is a type of Ferrite Core Inductor which is used in a wide range of electronics applications. Its notable features include high resistance to thermal shock and wide frequency response, as well as excellent surge protection capabilities. These characteristics make the SD3118-221-R ideal for use in applications which require fast energy transfer and are exposed to harsh environments.

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