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HomeProductsCircuit ProtectionFuses04531.25MR
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04531.25MR - Littelfuse Inc.

Manufacturer Part Number
04531.25MR
Manufacturer
Littelfuse
Allelco Part Number
32D-04531.25MR
ECAD Model
Parts Description
FUSE BOARD MNT 1.25A 125VAC/VDC
Package
2-SMD, Square End Block
Data sheet
Cylindrical Battery Holders.pdf
Cylindrical Battery Holders.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 47820

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Our certification

Specifications

04531.25MR Tech Specifications
Littelfuse Inc. - 04531.25MR technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - 04531.25MR

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® 453  
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 0.664  
Fuse Type Board Mount (Cartridge Style Excluded)  
DC Cold Resistance 0.078 Ohms  
Current Rating (Amps) 1.25 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

25MR

Manufacturer

Littelfuse

Introduction

The Littelfuse 04531.25MR is a high-quality, surface mount fuse that provides reliable circuit protection for a wide range of electronic devices. This fuse is part of the NANO² 453 series, designed to offer superior performance and safety features in a compact package.

Product Features and Performance

Current rating of 1.25A

AC voltage rating of 125V and DC voltage rating of 125V

Fast-blow response time for rapid overcurrent protection

Square end block 2-SMD package

Breaking capacity of 50A at rated voltage

Melting I²t of 0.664

Operating temperature range of -55°C to 125°C

Product Advantages

Compact and space-saving design

Reliable and consistent performance

Meets various safety and regulatory approvals

Key Reasons to Choose This Product

Proven Littelfuse quality and reliability

Versatile application in a wide range of electronic devices

Excellent overcurrent protection for sensitive circuits

Cost-effective solution for circuit protection needs

Quality and Safety Features

Certified by CSA, PSE, and UL for safety and quality assurance

Robust design for reliable operation in harsh environments

Compatibility

This fuse is designed for surface mount application and can be used in a variety of electronic devices, including but not limited to:

Consumer electronics

Industrial equipment

Automotive applications

Telecommunications equipment

Application Areas

Circuit protection for sensitive electronic components

Overcurrent protection for power supplies and other critical circuits

Safety enhancement in various electronic devices

Product Lifecycle

The Littelfuse 04531.25MR is an active and currently available product. There are no known plans for discontinuation of this model. However, as technology evolves, customers are advised to consult with our website's sales team for information on any potential equivalent or alternative models that may become available in the future.

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. 04531.25MR

Product Attribute 04531.25MR 0454004.MR 045301.5NR 0453012.MR
Part Number 04531.25MR 0454004.MR 045301.5NR 0453012.MR
Manufacturer Littelfuse Inc. Littelfuse Inc. Littelfuse Inc. Littelfuse Inc.
Breaking Capacity @ Rated Voltage 50A 50A 50A 50A
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)
Operating Temperature -55°C ~ 125°C -55°C ~ 125°C -55°C ~ 125°C -55°C ~ 125°C
Series NANO²® 453 NANO²® 454 NANO²® 453 NANO²® 453
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 2-SMD, Square End Block 2-SMD, Square End Block 2-SMD, Square End Block 2-SMD, Square End Block
Color - - - -
Response Time Fast Blow Slow Blow Fast Blow Fast Blow
Current Rating (Amps) 1.25 A 4 A 1.5 A 12 A
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Voltage Rating - AC 125 V 125 V 125 V 65 V
DC Cold Resistance 0.078 Ohms 0.0186 Ohms 0.063 Ohms 0.0049 Ohms
Voltage Rating - DC 125 V 125 V 125 V 65 V
Fuse Type Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded)
Melting I²t 0.664 34.4 0.853 47.97
Approval Agency CSA, PSE, UL CSA, PSE, UL CSA, PSE, UL CSA, UL

04531.25MR Datasheet PDF

Download 04531.25MR pdf datasheets and Littelfuse Inc. documentation for 04531.25MR - 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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04531.25MR Image

04531.25MR

Littelfuse Inc.
32D-04531.25MR

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