1210R-272H

DC Resistance (DCR):	1.1 Ohm Max
Height - Seated (Max):	0.101" (2.57mm)
Size / Dimension:	0.128" L x 0.095" W (3.26mm x 2.41mm)
Supplier Device Package:	--
Package / Case:	2-SMD
Mounting Type:	Surface Mount
Inductance Frequency - Test:	7.9MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	65MHz
Q @ Freq:	30 @ 7.9MHz
Series:	1210R
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	411mA
Tolerance:	±3%
Inductance:	2.7µH
Material - Core:	Ferrite
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction of Fixed Inductors

A fixed inductor is a type of electrical component that stores energy in the form of a magnetic field. This type of inductor is most commonly used in electrical circuits to help filter or attenuate harmonic waves or to provide electrical isolation. Fixed inductors are one of the most common types of inductors used in consumer electronics, because they are relatively inexpensive and can be used for a variety of applications.Fixed inductors are typically constructed from coils of insulated copper wire wound around a core. The core is typically made of a ferromagnetic material, such as iron, and is used to create a magnetic field. The winding of the wire on the core creates a inductance, which is the measure of the amount of energy stored in the magnetic field. The inductance of a fixed inductor is determined by the number of turns in the coil, the size of the core, and the permeability of the core material.

1210R-272H Inductor

The 1210R-272H fixed inductor is a small surface-mount component that measures 12.1mm x 10.2mm x 10.2mm. It has a nominal rated inductance of 2.72uH (Henries), a saturation current rating of 1.2A, and a rated DC resistance of 0.149ohm. This inductor is commonly used in consumer electronics circuits, particularly in power supply circuitry.

1210R-272H Application Field and Working Principle

The 1210R-272H fixed inductor is primarily used in power supply applications. It is often used as part of an energy-storage circuit, or Low-Power DC-DC converter, to help filter high-frequency noise and ripple. The inductor acts as a low-impedance path for the high-frequency components, allowing them to pass through the circuit more easily. As a result, the DC output of the circuit is cleaner and more stable.The working principle of a fixed inductor is based on Faraday\'s Law of Induction. When an alternating current passes through the inductor, a magnetic field is generated in the core of the inductor. This field induces an electromotive force (EMF) in the windings of the inductor. When the current is reversed, the EMF opposes the change in current flow, resulting in a period of time in which the current remains constant. This process is known as inductive reactance, and it helps to filter the AC signal and reduce harmonic distortion.

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