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HomeProductsCircuit ProtectionFuses045302.5MR
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045302.5MR - Littelfuse Inc.

Manufacturer Part Number
045302.5MR
Manufacturer
Littelfuse
Allelco Part Number
32D-045302.5MR
ECAD Model
Parts Description
FUSE BRD MNT 2.5A 125VAC/VDC SMD
Package
2-SMD, Square End Block
Data sheet
Cylindrical Battery Holders.pdf
Cylindrical Battery Holders.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 51390

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Our certification

Specifications

045302.5MR Tech Specifications
Littelfuse Inc. - 045302.5MR technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - 045302.5MR

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 1.029  
Fuse Type Board Mount (Cartridge Style Excluded)  
DC Cold Resistance 0.0286 Ohms  
Current Rating (Amps) 2.5 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

5MR

Manufacturer

Littelfuse

Introduction

The Littelfuse NANO² 453 Series circuit protection fuses are compact, surface-mount fuses designed for protection in a wide range of electronic applications. These fuses offer fast-blow response times and high breaking capacities to safeguard sensitive electronic components from overcurrent and short circuit events.

Product Features and Performance

5A current rating

125V AC/DC voltage rating

Fast-blow response time

High 50A breaking capacity at rated voltage

Low DC cold resistance of 0.0286 Ohms

Small 6.10mm x 2.69mm x 2.69mm package size

Suitable for surface mount assembly

Product Advantages

Compact size for space-constrained designs

Fast-acting protection against overcurrent and short circuit

High breaking capacity to safely interrupt fault currents

Low resistance to minimize voltage drop and power losses

Key Reasons to Choose This Product

Reliable circuit protection for sensitive electronic devices

Optimized performance and efficiency through compact design

Ease of integration with surface mount assembly

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

Quality and Safety Features

Approved by CSA, PSE, and UL safety agencies

Robust construction for reliable performance

Compatibility

These fuses are designed for use in a wide range of electronic applications, including consumer electronics, industrial controls, and telecommunications equipment.

Application Areas

Overcurrent and short circuit protection for sensitive electronic circuits

Circuit protection in consumer electronics, industrial controls, telecommunications equipment, and other applications.

Product Lifecycle

The Littelfuse NANO² 453 Series fuses are an active and ongoing product line. There are no known plans for discontinuation at this time. Customers are advised to contact our website's sales team for the latest product information and availability.

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. 045302.5MR

Product Attribute 045302.5MR 0453007.MR 0454001.MR 0453010.MR
Part Number 045302.5MR 0453007.MR 0454001.MR 0453010.MR
Manufacturer Littelfuse Inc. Littelfuse Inc. Littelfuse Inc. Littelfuse Inc.
Voltage Rating - DC 125 V 125 V 125 V 125 V
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)
DC Cold Resistance 0.0286 Ohms 0.009 Ohms 0.225 Ohms 0.0056 Ohms
Fuse Type Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded)
Response Time Fast Blow Fast Blow Slow Blow Fast Blow
Breaking Capacity @ Rated Voltage 50A 50A 50A 35A AC, 50A DC
Melting I²t 1.029 10.32 1.98 26.46
Color - - - -
Series NANO²® 453 NANO²® 453 NANO²® 454 NANO²® 453
Package / Case 2-SMD, Square End Block 2-SMD, Square End Block 2-SMD, Square End Block 2-SMD, Square End Block
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Current Rating (Amps) 2.5 A 7 A 1 A 10 A
Approval Agency CSA, PSE, UL CSA, PSE, UL CSA, PSE, UL CSA, PSE, UL
Voltage Rating - AC 125 V 125 V 125 V 125 V
Operating Temperature -55°C ~ 125°C -55°C ~ 125°C -55°C ~ 125°C -55°C ~ 125°C

045302.5MR Datasheet PDF

Download 045302.5MR pdf datasheets and Littelfuse Inc. documentation for 045302.5MR - 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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045302.5MR Image

045302.5MR

Littelfuse Inc.
32D-045302.5MR

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