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HomeProductsCircuit ProtectionFuses0451.750MR
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0451.750MR - Littelfuse Inc.

Manufacturer Part Number
0451.750MR
Manufacturer
Littelfuse
Allelco Part Number
32D-0451.750MR
ECAD Model
Parts Description
FUSE BOARD MNT 750MA 125VAC/VDC
Package
2-SMD, Square End Block
Data sheet
Cylindrical Battery Holders.pdf
Cylindrical Battery Holders.pdf
Our certification
In stock: 4980

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Specifications

0451.750MR Tech Specifications
Littelfuse Inc. - 0451.750MR technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - 0451.750MR

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 0.185  
Fuse Type Board Mount (Cartridge Style Excluded)  
DC Cold Resistance 0.245 Ohms  
Current Rating (Amps) 750 mA  
Color -  
Breaking Capacity @ Rated Voltage 50A  
Approval Agency CSA, UL  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS non-compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status
ECCN EAR99
HTSUS 8536.10.0040

Parts Introduction

Manufacturer Part Number

750MR

Manufacturer

littelfuse

Introduction

The littelfuse 0451.750MR is a NANO²® 451 series surface mount fuse designed for protection in a variety of electronic applications. This fast-blow fuse provides reliable overcurrent protection in a compact, space-saving package.

Product Features and Performance

Current rating: 750 mA

AC voltage rating: 125 V

DC voltage rating: 125 V

Fast-blow response time

2-SMD, square end block package

Breaking capacity: 50A at rated voltage

Melting I²t: 0.185

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

Product Advantages

Compact size for space-constrained designs

Reliable overcurrent protection

Fast-acting response to fault conditions

RoHS compliant

Key Reasons to Choose This Product

Trusted littelfuse quality and performance

Comprehensive certification (CSA, UL)

Suitable for a wide range of electronic applications

Cost-effective circuit protection solution

Quality and Safety Features

CSA and UL agency approvals

Robust construction for reliable operation

RoHS compliance for environmental responsibility

Compatibility

This fuse is designed for surface mount applications and can be used in a variety of electronic devices and systems.

Application Areas

Consumer electronics

Industrial equipment

Telecommunications

Automotive electronics

Power supplies

Product Lifecycle

The littelfuse 0451.750MR is an obsolete product, meaning it is no longer being manufactured. However, 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 current product offerings and recommendations for suitable replacement options.

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. 0451.750MR

Product Attribute 0451.750MR 0451001.MRL 0451.500MR 0451.375MRL
Part Number 0451.750MR 0451001.MRL 0451.500MR 0451.375MRL
Manufacturer Littelfuse Inc. Littelfuse Inc. Littelfuse Inc. Littelfuse Inc.
Response Time Fast Blow Fast Blow Fast Blow Fast Blow
Melting I²t 0.185 0.459 0.0795 0.0425
DC Cold Resistance 0.245 Ohms 0.153 Ohms 0.42 Ohms 0.61 Ohms
Voltage Rating - AC 125 V 125 V 125 V 125 V
Breaking Capacity @ Rated Voltage 50A 50A 50A 50A
Approval Agency CSA, UL CSA, PSE, UL CSA, UL CSA, UL
Operating Temperature -55°C ~ 125°C -55°C ~ 125°C -55°C ~ 125°C -55°C ~ 125°C
Voltage Rating - DC 125 V 125 V 125 V 125 V
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Fuse Type Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded)
Series NANO²® 451 NANO²® 451 NANO²® 451 NANO²® 451
Current Rating (Amps) 750 mA 1 A 500 mA 375 mA
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
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)
Color - - - -
Package / Case 2-SMD, Square End Block 2-SMD, Square End Block 2-SMD, Square End Block 2-SMD, Square End Block

0451.750MR Datasheet PDF

Download 0451.750MR pdf datasheets and Littelfuse Inc. documentation for 0451.750MR - 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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0451.750MR Image

0451.750MR

Littelfuse Inc.
32D-0451.750MR

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