LQB18NNR22J10D

DC Resistance (DCR):	370 mOhm Max
Height - Seated (Max):	0.037" (0.95mm)
Size / Dimension:	0.063" L x 0.031" W (1.60mm x 0.80mm)
Supplier Device Package:	0603 (1608 Metric)
Package / Case:	0603 (1608 Metric)
Mounting Type:	Surface Mount
Inductance Frequency - Test:	25MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	80MHz
Q @ Freq:	25 @ 25MHz
Series:	LQB18
Shielding:	Shielded
Current - Saturation:	--
Current Rating:	450mA
Tolerance:	±5%
Inductance:	220nH
Material - Core:	Ferrite
Type:	Multilayer
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors: LQB18NNR22J10D Application Field and Working Principle

Fixed inductors, also known as coils, are reactive electrical components that store energy in the form of magnetic fields. The coil is the most common form of inductor used in electronic circuit applications. The LQB18NNR22J10D, manufactured by Murata, is a fixed inductor with a wide range of applications, including power supplies, EMI suppression, and programmed logic controllers (PLCs). In this article, we\'ll take a look at the application fields and working principles of the LQB18NNR22J10D.

Applications of the LQB18NNR22J10D

The Murata LQB18NNR22J10D fixed inductor has several applications, but it is primarily used in power supply, EMI suppression, and PLC applications.

Applications in Power Supplies

In a power supply circuit, the LQB18NNR22J10D fixed inductor can be used to store energy, regulate voltage, and filter signals. The inductor helps to regulate and smooth out voltage variations, which can improve the power supply\'s overall efficiency. The inductor can also be used to reduce electrical noise, preventing it from disturbing sensitive circuitry.

Applications in EMI Suppression

Electromagnetic interference (EMI) can cause undesirable electrical interference, which can disrupt the normal operation of electronic components and systems. The LQB18NNR22J10D fixed inductor can be used to help reduce EMI levels by restricting the flow of electromagnetic waves. This helps to minimize the risk of interference that can be caused by electromagnetic sources, such as power lines, electromagnetic radiation from other components, or lightning.

Applications in Programmed Logic Controllers (PLCs)

Programmed logic controllers (PLCs) are used to automate processes in a wide range of industries, such as manufacturing and process control. The LQB18NNR22J10D fixed inductor can be used in PLC applications as a current-limiting device. In this application, the inductor helps to protect the PLC from high voltage and current surges, ensuring that the PLC is able to operate reliably and efficiently even in challenging and demanding environments.

Working Principle of the LQB18NNR22J10D

The working principle of the Murata LQB18NNR22J10D fixed inductor is relatively simple. The inductor consists of a single wire wrapped around a core material, usually ferrite or other magnetic material. When a current is applied to the wire, a magnetic field is generated around the core, which stores energy as a function of the current through the wire. When the current is increased or decreased, the magnetic field generated by the inductor will also be increased or decreased. This in turn will cause an opposing voltage to be induced, which will act to oppose the change in current. This is known as the inductive reactance, and it is this principle which serves to regulate current in the circuit, limit voltage, and reduce electromagnetic interference.

Conclusion

The Murata LQB18NNR22J10D fixed inductor is a versatile and reliable inductor with a wide range of applications in power supplies, EMI suppression, and PLCs. The inductor works by essentially opposing voltage variations with a generated magnetic field, in a process known as inductive reactance. This helps to regulate and smooth out current, limit voltage, and reduce noise and interference.

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