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HomeProductsCircuit ProtectionFuses0451003.NRL
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0451003.NRL - Littelfuse Inc.

Manufacturer Part Number
0451003.NRL
Manufacturer
Littelfuse
Allelco Part Number
32D-0451003.NRL
ECAD Model
Parts Description
FUSE BRD MNT 3A 125VAC/VDC 2SMD
Package
2-SMD, Square End Block
Data sheet
Cylindrical Battery Holders.pdf
Cylindrical Battery Holders.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 56540

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Specifications

0451003.NRL Tech Specifications
Littelfuse Inc. - 0451003.NRL technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - 0451003.NRL

Product Attribute Attribute Value  
Manufacturer Littelfuse  
Voltage Rating - DC 125 V  
Voltage Rating - AC 125 V  
Size / Dimension 0.240' L x 0.106' W x 0.106' H (6.10mm x 2.69mm x 2.69mm)  
Series NANO²® 451  
Response Time Fast Blow  
Package / Case 2-SMD, Square End Block  
Package Tape & Reel (TR)  
Operating Temperature -55°C ~ 125°C  
Product Attribute Attribute Value  
Mounting Type Surface Mount  
Melting I²t 1.65  
Fuse Type Board Mount (Cartridge Style Excluded)  
DC Cold Resistance 0.0227 Ohms  
Current Rating (Amps) 3 A  
Color -  
Breaking Capacity @ Rated Voltage 50A  
Approval Agency CSA, PSE, UL  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8536.10.0040

Parts Introduction

Manufacturer Part Number

NRL

Manufacturer

littelfuse

Introduction

The Littelfuse NANO²® 451 series is a compact, surface-mount circuit protection fuse designed for high-density electronic applications. This fuse provides fast-acting overcurrent protection, safeguarding sensitive electronic components from potential damage due to short circuits or overcurrent conditions.

Product Features and Performance

Fast-acting, high-speed overcurrent protection

Compact 2-SMD, square end block package

Current rating of 3A

Voltage rating of 125V AC/DC

Wide operating temperature range of -55°C to 125°C

Low DC cold resistance of 0.0227 Ohms

High breaking capacity of 50A at rated voltage

Melting I²t of 1.65

Product Advantages

Miniature size for space-constrained designs

Reliable circuit protection in a robust package

Broad operating temperature range for diverse applications

Low resistance for minimal power loss and heat generation

Key Reasons to Choose This Product

Exceptional overcurrent protection for sensitive electronics

Compact and space-efficient design for high-density PCB layouts

Proven performance and reliability from a trusted brand

Comprehensive safety approvals and certifications

Quality and Safety Features

UL, CSA, and PSE safety approvals

Robust construction for reliable operation

Compatibility

This NANO²® 451 series fuse is designed for surface-mount PCB assembly and can be used in a variety of electronic devices and applications.

Application Areas

Consumer electronics

Industrial automation and control systems

Power supplies

Telecommunications equipment

Medical devices

Automotive electronics

Product Lifecycle

The Littelfuse NANO²® 451 series fuse is an active product, and there are no known equivalent or alternative models available at this time. For the latest product information or to inquire about availability, please contact our website's sales team.

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. 0451003.NRL

Product Attribute 0451003.NRL 0451001.MRL 0451003.MRL 0451004.NRL
Part Number 0451003.NRL 0451001.MRL 0451003.MRL 0451004.NRL
Manufacturer Littelfuse Inc. Littelfuse Inc. Littelfuse Inc. Littelfuse Inc.
Voltage Rating - AC 125 V 125 V 125 V 125 V
Package / Case 2-SMD, Square End Block 2-SMD, Square End Block 2-SMD, Square End Block 2-SMD, Square End Block
Voltage Rating - DC 125 V 125 V 125 V 125 V
Series NANO²® 451 NANO²® 451 NANO²® 451 NANO²® 451
Current Rating (Amps) 3 A 1 A 3 A 4 A
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Breaking Capacity @ Rated Voltage 50A 50A 50A 50A
Fuse Type Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded)
Size / Dimension 0.240' L x 0.106' W x 0.106' H (6.10mm x 2.69mm x 2.69mm) 0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm) 0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm) 0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
DC Cold Resistance 0.0227 Ohms 0.153 Ohms 0.0227 Ohms 0.016 Ohms
Operating Temperature -55°C ~ 125°C -55°C ~ 125°C -55°C ~ 125°C -55°C ~ 125°C
Approval Agency CSA, PSE, UL CSA, PSE, UL CSA, PSE, UL CSA, PSE, UL
Color - - - -
Melting I²t 1.65 0.459 1.65 3.152
Response Time Fast Blow Fast Blow Fast Blow Fast Blow

0451003.NRL Datasheet PDF

Download 0451003.NRL pdf datasheets and Littelfuse Inc. documentation for 0451003.NRL - Littelfuse Inc..

Datasheets
Cylindrical Battery Holders.pdf
HTML Datasheet
Cylindrical Battery Holders.pdf

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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0451003.NRL Image

0451003.NRL

Littelfuse Inc.
32D-0451003.NRL

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