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HomeProductsInductors, Coils, ChokesFixed InductorsLQM21NN3R9K10L
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LQM21NN3R9K10L - Murata Electronics

Manufacturer Part Number
LQM21NN3R9K10L
Manufacturer
Murata Electronics
Allelco Part Number
32D-LQM21NN3R9K10L
ECAD Model
Parts Description
FIXED IND 3.9UH 30MA 890MOHM SMD
Detailed Description
Package
0805 (2012 Metric)
Data sheet
LQ Part Numbering, General.pdf
LQM21NNyyyy10y Spec.pdf
RoHs Status
ROHS3 Compliant
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In stock: 311400

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Specifications

LQM21NN3R9K10L Tech Specifications
Murata Electronics - LQM21NN3R9K10L technical specifications, attributes, parameters and parts with similar specifications to Murata Electronics - LQM21NN3R9K10L

Product Attribute Attribute Value  
Manufacturer Murata Electronics  
Type Multilayer  
Tolerance ±10%  
Supplier Device Package 0805 (2012 Metric)  
Size / Dimension 0.079" L x 0.049" W (2.00mm x 1.25mm)  
Shielding Shielded  
Series LQM21  
Ratings -  
Q @ Freq 45 @ 10MHz  
Package / Case 0805 (2012 Metric)  
Package Tape & Reel (TR)  
Product Attribute Attribute Value  
Operating Temperature -40°C ~ 85°C  
Mounting Type Surface Mount  
Material - Core Ferrite  
Inductance Frequency - Test 10 MHz  
Inductance 3.9 µH  
Height - Seated (Max) 0.041" (1.05mm)  
Frequency - Self Resonant 53MHz  
DC Resistance (DCR) 890mOhm Max  
Current Rating (Amps) 30 mA  
Current - Saturation (Isat) -  
Base Product Number LQM21NN  

Parts Introduction

Manufacturer Part Number

LQM21NN3R9K10L

Manufacturer

Murata Electronics

Introduction

The LQM21NN3R9K10L inductor from Murata Electronics is a surface mount, multilayer inductor with ferrite core designed for general use in electronic circuits.

Product Features and Performance

Multilayer inductor with a ferrite core

Highly stable over a broad frequency range

Shielded construction for reduced electromagnetic interference

Surface Mount for compact circuit design

Product Advantages

Precision manufacturing for reliable performance

High density integration suited for small electronic devices

Low DC resistance contributing to energy efficiency

Robust operating temperature range suitable for various environments

Key Technical Parameters

Inductance: 3.9 µH

Tolerance: ±10%

Current Rating: 30 mA

DC Resistance: 890mOhm max

Quality Factor: 45 @ 10MHz

Self Resonant Frequency: 53MHz

Operating Temperature: -40°C ~ 85°C

Inductance Test Frequency: 10 MHz

Quality and Safety Features

Complies with industry standards for safety and quality

Extensively tested for durability and performance

Compatibility

Mounting Type: Surface Mount

Package / Case: 0805 (2012 Metric)

Supplier Device Package: 0805 (2012 Metric)

Application Areas

Consumer electronics

Power supply circuits

Telecommunication systems

Automotive electronics

Medical devices

Product Lifecycle

Status: Active

No current indication of discontinuation

Availability of replacements or upgrades should be verified with Murata Electronics directly

Several Key Reasons to Choose This Product

Robust design for a wide range of applications

High-inductance value with tight tolerance

Low DC resistance to improve power efficiency

Excellent reliability and quality from a reputable manufacturer

Compact size ideal for space-sensitive applications

Parts with Similar Specifications

The three parts on the right have similar specifications to Murata Electronics LQM21NN3R9K10L

Product Attribute LQM21NN3R9K10L LQM21NN1R2K10D LQM21NN1R0K10D LQM21NN1R8K10D
Part Number LQM21NN3R9K10L LQM21NN1R2K10D LQM21NN1R0K10D LQM21NN1R8K10D
Manufacturer Murata Electronics Murata Electronics Murata Electronics Murata Electronics
Size / Dimension 0.079" L x 0.049" W (2.00mm x 1.25mm) 0.079' L x 0.049' W (2.00mm x 1.25mm) 0.079' L x 0.049' W (2.00mm x 1.25mm) 0.079' L x 0.049' W (2.00mm x 1.25mm)
Q @ Freq 45 @ 10MHz 45 @ 10MHz 45 @ 10MHz 45 @ 10MHz
Shielding Shielded Shielded Shielded Shielded
Package / Case 0805 (2012 Metric) 0805 (2012 Metric) 0805 (2012 Metric) 0805 (2012 Metric)
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Material - Core Ferrite Ferrite Ferrite Ferrite
DC Resistance (DCR) 890mOhm Max 470mOhm Max 400mOhm Max 570mOhm Max
Height - Seated (Max) 0.041" (1.05mm) 0.041' (1.05mm) 0.041' (1.05mm) 0.041' (1.05mm)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Tolerance ±10% ±10% ±10% ±10%
Current Rating (Amps) 30 mA 50 mA 50 mA 50 mA
Inductance Frequency - Test 10 MHz 10 MHz 10 MHz 10 MHz
Inductance 3.9 µH 1.2 µH 1 µH 1.8 µH
Type Multilayer Multilayer Multilayer Multilayer
Series LQM21 LQM21 LQM21 LQM21
Ratings - - - -
Base Product Number LQM21NN LQM21NN LQM21NN LQM21NN
Current - Saturation (Isat) - - - -
Frequency - Self Resonant 53MHz 97MHz 107MHz 80MHz
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Supplier Device Package 0805 (2012 Metric) 0805 (2012 Metric) 0805 (2012 Metric) 0805 (2012 Metric)

LQM21NN3R9K10L Datasheet PDF

Download LQM21NN3R9K10L pdf datasheets and Murata Electronics documentation for LQM21NN3R9K10L - Murata Electronics.

Datasheets
LQ Part Numbering, General.pdf LQM21NNyyyy10y Spec.pdf

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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LQM21NN3R9K10L Image

LQM21NN3R9K10L

Murata Electronics
32D-LQM21NN3R9K10L

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