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HomeProductsCircuit ProtectionFuses0451.125MR
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0451.125MR - Littelfuse Inc.

Manufacturer Part Number
0451.125MR
Manufacturer
Littelfuse
Allelco Part Number
32D-0451.125MR
ECAD Model
Parts Description
FUSE BOARD MNT 125MA 125VAC/VDC
Detailed Description
Package
2-SMD, Square End Block
Data sheet
Cylindrical Battery Holders.pdf
Cylindrical Battery Holders.pdf
Our certification
In stock: 4800

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Specifications

0451.125MR Tech Specifications
Littelfuse Inc. - 0451.125MR technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - 0451.125MR

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 0.00286  
Fuse Type Board Mount (Cartridge Style Excluded)  
DC Cold Resistance 1.7 Ohms  
Current Rating (Amps) 125 mA  
Color -  
Breaking Capacity @ Rated Voltage 50A  
Approval Agency CSA, UL  

Parts Introduction

Manufacturer Part Number

125MR

Manufacturer

littelfuse

Introduction

The Littelfuse 0451.125MR is a miniature NANO²® 451 Series surface mount fuse designed for circuit protection applications. This fuse offers fast-acting, current-limiting protection against overcurrent and short-circuit conditions to help safeguard sensitive electronic components.

Product Features and Performance

Current rating of 125 mA

Voltage rating of 125 V AC/DC

Fast-blow response time

Small 2-SMD, square end block package

Breaking capacity of 50 A at rated voltage

Melting I²t of 0.00286

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

Product Advantages

Compact and space-saving design

Reliable protection against overcurrent and short-circuit conditions

Fast-acting response to help prevent damage to electronic components

UL and CSA safety approvals

Key Reasons to Choose This Product

Robust and reliable circuit protection

Compact and easy-to-integrate surface mount design

Wide operating temperature range for versatile applications

Compliance with safety standards for added peace of mind

Quality and Safety Features

Approved by UL and CSA for safety

Designed and manufactured to high-quality standards

Compatibility

This fuse is compatible with a variety of electronic devices and applications that require fast-acting, current-limiting protection.

Application Areas

Consumer electronics

Industrial equipment

Telecommunications

Instrumentation

Medical devices

Product Lifecycle

The Littelfuse 0451.125MR is an obsolete product. There may be equivalent or alternative models available from Littelfuse or other manufacturers. Customers are advised to contact our website's sales team for more information on available options.

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. 0451.125MR

Product Attribute 0451.125MR 0451.400MRL 0451.375MRL 0451.160MRL
Part Number 0451.125MR 0451.400MRL 0451.375MRL 0451.160MRL
Manufacturer Littelfuse Inc. Littelfuse Inc. Littelfuse Inc. Littelfuse Inc.
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Voltage Rating - AC 125 V 125 V 125 V 125 V
Response Time Fast Blow Fast Blow Fast Blow Fast Blow
Package / Case 2-SMD, Square End Block 2-SMD, Square End Block 2-SMD, Square End Block 2-SMD, Square End Block
Melting I²t 0.00286 0.0484 0.0425 0.0048
DC Cold Resistance 1.7 Ohms 0.4233 Ohms 0.61 Ohms 1.2157 Ohms
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)
Approval Agency CSA, UL CSA, UL CSA, UL CSA, UL
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Current Rating (Amps) 125 mA 400 mA 375 mA 160 mA
Color - - - -
Fuse Type Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded)
Operating Temperature -55°C ~ 125°C -55°C ~ 125°C -55°C ~ 125°C -55°C ~ 125°C
Breaking Capacity @ Rated Voltage 50A 50A 50A 50A
Series NANO²® 451 NANO²® 451 NANO²® 451 NANO²® 451
Voltage Rating - DC 125 V 125 V 125 V 125 V

0451.125MR Datasheet PDF

Download 0451.125MR pdf datasheets and Littelfuse Inc. documentation for 0451.125MR - 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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0451.125MR Image

0451.125MR

Littelfuse Inc.
32D-0451.125MR

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