LQH43NN271J03L Inductors, Coils, Chokes

DC Resistance (DCR):	6.8 Ohm Max
Height - Seated (Max):	0.110" (2.80mm)
Size / Dimension:	0.177" L x 0.126" W (4.50mm x 3.20mm)
Supplier Device Package:	1812 (4532 Metric)
Package / Case:	1812 (4532 Metric)
Mounting Type:	Surface Mount
Inductance Frequency - Test:	1MHz
Operating Temperature:	-40°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	4MHz
Q @ Freq:	40 @ 796kHz
Series:	LQH43
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	100mA
Tolerance:	±5%
Inductance:	270µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors

Fixed inductors are passive electrical components designed to provide a specific inductance within a circuit. Generally, a fixed inductor is made up of a coil of wire which is wrapped around a core made of iron. The LQH43NN271J03L fixed inductor is a surface mount inductor designed by Murata Manufacturing Co., Ltd. for broadband telecommunications and signal processing circuits.

Application Field

The LQH43NN271J03L fixed inductor is designed primarily for use in broadband telecommunications and signal processing circuits such as cellular phones, wireless LANs, laptop computers, and game consoles. The inductor is also suitable for use in high-frequency switching power supplies, RF front-end circuits, and any other application requiring an inductor with high-frequency performance, low electrical losses, and high stability.

Working Principle

To understand how the LQH43NN271J03L fixed inductor works, it is important to first understand the basics of how an inductor works. An inductor is basically a coil of wire which is wrapped around a core made of either ferrite (a material with magnetic properties), iron, or other materials. When current flows through the coil, a magnetic field is generated. This magnetic field then induces a voltage in the coil, which causes a current to flow. This is known as the inductance effect and is the same principle which is used in a transformer to change the voltage of a current.In the case of the LQH43NN271J03L fixed inductor, the surface mount design enables it to offer a high-frequency performance and low electrical losses. Its high stability makes it ideal for use in multi-layer circuit boards and other narrow-space applications. It also offers a very low profile, allowing it to be used even in the most compact of spaces.The LQH43NN271J03L fixed inductor can also be used in applications which require shielding from electromagnetic interference (EMI). Its metal outer shell is highly effective at blocking EMI, making it an ideal choice for use in EMI sensitive applications.

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