LQM21NNR18K10D Allicdata Electronics
Allicdata Part #:

490-6691-2-ND

Manufacturer Part#:

LQM21NNR18K10D

Price: $ 0.05
Product Category:

Inductors, Coils, Chokes

Manufacturer: Murata Electronics North America
Short Description: FIXED IND 180NH 250MA 350 MOHM
More Detail: 180nH Shielded Multilayer Inductor 250mA 350 mOhm ...
DataSheet: LQM21NNR18K10D datasheetLQM21NNR18K10D Datasheet/PDF
Quantity: 1000
4000 +: $ 0.04264
8000 +: $ 0.04027
12000 +: $ 0.03790
28000 +: $ 0.03672
100000 +: $ 0.03435
Stock 1000Can Ship Immediately
$ 0.05
Specifications
DC Resistance (DCR): 350 mOhm Max
Height - Seated (Max): 0.041" (1.05mm)
Size / Dimension: 0.079" L x 0.049" W (2.00mm x 1.25mm)
Supplier Device Package: 0805 (2012 Metric)
Package / Case: 0805 (2012 Metric)
Mounting Type: Surface Mount
Inductance Frequency - Test: 25MHz
Operating Temperature: -40°C ~ 85°C
Ratings: --
Frequency - Self Resonant: 250MHz
Q @ Freq: 20 @ 25MHz
Series: LQM21
Shielding: Shielded
Current - Saturation: --
Current Rating: 250mA
Tolerance: ±10%
Inductance: 180nH
Material - Core: Ferrite
Type: Multilayer
Part Status: Active
Packaging: Tape & Reel (TR) 
Description

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Fixed inductors are one of the widest used components in electrical and electronic circuits. The LQM21NNR18K10D is one of the leading fixed inductors used in circuits today. Its application fields and working principles will be outlined in the following sections.

Application Fields

The LQM21NNR18K10D is mainly used in power supplies, switch mode power supplies, car filters, mobile communication, audio systems, videotape recorder, television, radio, mouse and sound cards. It is also used in other audio and video signal applications like pre-amplifiers, receiver mixers, etc. The LQM21NNR18K10D is also used in a variety of industrial applications like lamp ballasts, metal detectors, etc. due to its high efficiency, low noise operation, and low heat generation.

Working Principle

The LQM21NNR18K10D is a fixed inductor based on ferrite and other core materials. Indianoment, ferrite, and other materials are different types of cores used to form the inductor and the core’s material dictates the inductor\'s characteristics. An inductor consists of a core made of a conductive material, such as a copper coil, that is wrapped around the core. The electrical current passing through the inductor creates an magnetic field, which in turn generates a force that opposes the change of the current. This force is referred to as inductance and is measured in henries (H). The higher the inductance, the higher the force and the greater the resistance to the current change. The LQM21NNR18K10D inductor is a high inductance type, allowing high currents and high power applications, with low heat generation.

In conclusion, the LQM21NNR18K10D is a fixed inductor with wide range of applications in power supplies, switch mode power supplies, car filters, mobile communication, audio systems, videotape recorder, television, radio, mouse and sound cards. Its high efficiency, low noise operation, and low heat generation make it ideal for industrial applications like lamp ballasts, metal detectors, etc. The core material determines its characteristics such as its inductance, which is measured in henries. The higher the inductance, the higher the resistance to the current change.

The specific data is subject to PDF, and the above content is for reference

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