105R-821G

DC Resistance (DCR):	650 mOhm Max
Height - Seated (Max):	0.075" (1.91mm)
Size / Dimension:	0.100" L x 0.100" W (2.54mm x 2.54mm)
Supplier Device Package:	--
Package / Case:	Nonstandard, 2 Lead
Mounting Type:	Surface Mount
Inductance Frequency - Test:	25MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	155MHz
Q @ Freq:	30 @ 25MHz
Series:	105R
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	385mA
Tolerance:	±2%
Inductance:	820nH
Material - Core:	Iron
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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InductorsInductors are components that store energy in an electromagnetic field created by a current passing through a wire wound around a core. There are two main types of inductors, fixed inductors and variable inductors. Fixed InductorsFixed inductors include transformers, filter inductors, air core inductors, ferrite core inductors, surface mount inductors and several other types. The 105R-821G fixed inductor is a surface mount inductor that uses standard SMT technology. The 105R-821G also features low DC resistance and comes in various sizes.105R-821G Application Field and Working Principle The 105R-821G fixed inductor is used in power circuits, radio frequency circuits, and signal processing circuits. It can also be used in high-frequency circuits and in coils for transformers and filters. The working principle of the 105R-821G is simple. When a current passes through the winding, it generates the inductor’s electromagnetic field and stores energy. The magnetic lines of force generated by the current traveling through the winding and the permeability of the core together form an inductor. The inductor can then either transmit electromotive force signals or block them. ConstructionThe most commonly used form of the 105R-821G inductor is a cylindrical package. It consists of a cylindrical core of ferrite material wound with insulated copper wire. The core is usually made of a ferromagnetic material such as ferrite and the winding material can be made of either copper or aluminum. The winding is insulated with a material such as epoxy resin.SizeThe size of the 105R-821G inductor varies and can range from a few millimeters to a few centimeters. The size of the wound core affects the quality of the inductor as well as its capacity to store energy. The larger the wound core, the more energy can be stored inside the inductor.AdvantagesThe 105R-821G inductor has several advantages, including low DC resistance, high efficiency, and greater durability. It also has low levels of magnetic shield leakage and can withstand high temperature and humidity levels. Additionally, these inductors are easy to install and can be used in combination with a variety of other components.Disadvantages The 105R-821G also has a few disadvantages. The primary disadvantage is that these inductors have only limited ability to block signals in high-frequency environments. Additionally, they require a certain amount of space for installation and have a lower power factor compared to other types of inductors. ConclusionThe 105R-821G fixed inductor is a type of device used to store energy in an electromagnetic field. It’s a surface mount inductor that uses standard SMT technology and it can be used in power circuits, radio frequency circuits, signal processing circuits, and high-frequency circuits. Its main advantages include low DC resistance, high efficiency, and greater durability. The main disadvantages include limited ability to block signals in high-frequency environments and lower power factor compared to other types of inductors.

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