IMC1812RQ391K

DC Resistance (DCR):	16 Ohm Max
Height - Seated (Max):	0.134" (3.40mm)
Size / Dimension:	0.177" L x 0.126" W (4.50mm x 3.20mm)
Supplier Device Package:	1812
Package / Case:	1812 (4532 Metric)
Mounting Type:	Surface Mount
Inductance Frequency - Test:	790kHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	3MHz
Q @ Freq:	40 @ 790kHz
Series:	IMC-1812
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	80mA
Tolerance:	±10%
Inductance:	390µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Fixed inductors are commonly used in electronic circuits to store energy in the form of a magnetic field, or to act as a barrier against AC signals. In recent years, their use has become increasingly popular as an efficient and cost-effective way to manufacture integrated circuits and other electronic components. The IMC1812RQ391K is a fixed, 2-pole inductor that is designed to have low DCR (direct current resistance) and high inductance. This makes it suitable for use in applications such as filters, power supplies, and voltage regulators.

Applications

The IMC1812RQ391K is primarily used in applications where a low DCR is necessary. It is ideally suited for wideband power supplies and voltage regulators, because it helps to maintain the output voltage at a constant level, leading to improved efficiency and longer life of the components. Additionally, the inductor can be used in filters, as it is able to effectively attenuate higher frequency signals while allowing lower frequency signals to pass intact. The inductor can also be used in communications systems, as it helps to ensure that signals remain at a steady level. This is especially important in wireless communication systems, whose signals can be easily affected by environmental noise. The inductor can help to reduce noise and interference, resulting in improved signal integrity.

Working Principle of IMC1812RQ391K

The IMC1812RQ391K is a fixed, two-pole inductor, meaning that it contains two windings of wire which are wrapped around a ferrite core. The core of the inductor is made of a ferrite, which is a magnetic material that is tightly packed so that the magnetic domains are unable to move. This property allows the inductor to be used in applications that require high inductance.When an alternating current (AC) is applied to the inductor, it stores energy in the form of a magnetic field, causing a voltage across the inductor. The inductor’s value is determined by the number of times the wire is wound around the core, the diameter of the wire, and the permeability of the core material. The inductor will resist any attempts to reduce the voltage across it; this is known as inductive reactance and is measured in ohms. The inductor is also able to act as a barrier to AC signals, due to its ability to reject higher-frequency signals and pass stable low-frequency ones. The inductor will also reduce the level of noise, as it is able to filter out unwanted frequencies.

Conclusion

The IMC1812RQ391K is a two-pole fixed inductor, which is designed to have low DCR and high inductance. It is ideal for use in applications such as voltage regulators, filters, and power supplies. The inductor is able to store energy in the form of a magnetic field and act as a barrier to AC signals. It can also help to reduce noise and interference, resulting in improved signal integrity.

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