105R-272K

DC Resistance (DCR):	2 Ohm 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:	7.9MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	68MHz
Q @ Freq:	25 @ 7.9MHz
Series:	105R
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	220mA
Tolerance:	±10%
Inductance:	2.7µH
Material - Core:	Iron
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors: 105R-272K Application Field and Working Principle Inductors are basic components of electronic circuits which are widely used in various applications. Fixed inductors, sometimes known as air core inductors, are passive electronic components that exhibit inductance and thus adversely affect the AC current in a circuit. They come in a wide range of shapes and sizes depending on their application. This article is mainly about the 105R-272K fixed inductor, which is widely used in various applications, and its working principle.The 105R-272K fixed inductor is a multi-layer winding, magnetically shielded inductor manufactured by Cooper Industries. It is made from a special winding pattern that consists of copper wire coated with insulation and wound over ferrite core. The inductance value of these inductors is specified as an idealized value and is determined by the winding pattern, number of turns, and configuration of the inductor. This type of inductor is designed for energy storage between poles.The 105R-272K fixed inductor is a perfect choice for applications such as DC/DC converters, power supplies, home appliances, electronic ballasts, and military and consumer electronics. This device is versatile and can be used in many applications. Its operating temperature range is from -55°C to +125°C, and the maximum dc resistance is 0.2 Ohms. Moreover, these inductors are capable of handling a high frequency range of up to 1MHz.The working principle of the 105R-272K fixed inductor is the same as that of other inductors, based on the concept of electromagnetic induction. It stores electricity in the form of a changing magnetic field when a current passes through a conductive wire or coil. When the current changes, the coil induces an opposing voltage. This opposition to the alternating current or alternating voltage is called inductance.In the 105R-272K, the windings are usually wound around the inductor’s core in multiple layers. This helps to prevent the eddy currents which occur when an AC current passes through a single layer wound. Moreover, the multiple windings also ensure high stability of the inductor during operation. As the inductor stores electrical energy, it produces an electromagnetic field. This electromagnetic field creates a magnetic type of secondary circuit near the inductor which attenuates the current through the inductive element.In conclusion, the 105R-272K is a high performance, multi-layer windings inductor that is used in a wide range of applications. It is versatile and can handle high frequencies up to 1MHz. Moreover, the use of multiple windings provides increased stability and allows the device to maintain high levels of efficiency and reliability. The working principle of the 105R-272K fixed inductor is based on the concept of electromagnetic induction, and the windings are wound around the inductor’s core in multiple layers.

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