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HomeProductsCircuit ProtectionFuses0452003.MRSN
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0452003.MRSN - Littelfuse Inc.

Manufacturer Part Number
0452003.MRSN
Manufacturer
Littelfuse
Allelco Part Number
32D-0452003.MRSN
ECAD Model
Parts Description
FUSE BOARD MOUNT 3A 125VAC 2SMD
Package
2-SMD, Square End Block
Data sheet
0452003.MRSN.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 33600

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Quantity
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Payment method
Our certification

Specifications

0452003.MRSN Tech Specifications
Littelfuse Inc. - 0452003.MRSN technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - 0452003.MRSN

Product Attribute Attribute Value  
Manufacturer Littelfuse  
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® 452  
Response Time Slow 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 20.16  
Fuse Type Board Mount (Cartridge Style Excluded)  
DC Cold Resistance 0.034 Ohms  
Current Rating (Amps) 3 A  
Color -  
Breaking Capacity @ Rated Voltage 50A  
Approval Agency CSA, METI, UR  

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

MRSN

Manufacturer

littelfuse

Introduction

The Littelfuse NANO² 452 Series are surface mount, cartridge style fuses designed for circuit protection in compact electronic devices and appliances. These fuses offer reliable overcurrent protection and are ideal for a wide range of applications.

Product Features and Performance

3A current rating

125V AC voltage rating

Slow blow response time

50A breaking capacity at rated voltage

16 melting I²t

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

034 Ohm DC cold resistance

Compact 2-SMD, square end block package size of 6.10mm x 2.69mm x 2.69mm

Product Advantages

Reliable circuit protection

Compact and space-saving design

Broad operating temperature range

High breaking capacity

Compliant with various safety agency approvals

Key Reasons to Choose This Product

Proven Littelfuse quality and reliability

Optimal overcurrent protection for compact electronics

Versatile application compatibility

Cost-effective circuit protection solution

Compliance with safety standards

Quality and Safety Features

CSA, METI, and UL approved

Designed and manufactured to strict quality standards

Compatibility

This fuse is suitable for a wide range of electronic devices and appliances that require compact, reliable circuit protection.

Application Areas

Consumer electronics

Household appliances

Industrial equipment

Medical devices

Telecommunications equipment

Product Lifecycle

The Littelfuse NANO² 452 Series fuse is an active, in-production product. There are no plans for discontinuation, and no direct equivalent or alternative models are currently available. If you have any further questions or need additional information, please contact our website's sales team.

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. 0452003.MRSN

Product Attribute 0452003.MRSN 0452003.MRL 0452005.MRL 0452008.MRL
Part Number 0452003.MRSN 0452003.MRL 0452005.MRL 0452008.MRL
Manufacturer Littelfuse Inc. Littelfuse Inc. Littelfuse Inc. Littelfuse Inc.
Operating Temperature -55°C ~ 125°C -55°C ~ 125°C -55°C ~ 125°C -55°C ~ 125°C
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Series NANO²® 452 NANO²® 452 NANO²® 452 NANO²® 452
Approval Agency CSA, METI, UR CSA, PSE, UR CSA, PSE, UR CSA, UR
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Current Rating (Amps) 3 A 3 A 5 A 8 A
Voltage Rating - AC 125 V 125 V 125 V 72 V
DC Cold Resistance 0.034 Ohms 0.034 Ohms 0.0136 Ohms 0.0088 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)
Package / Case 2-SMD, Square End Block 2-SMD, Square End Block 2-SMD, Square End Block 2-SMD, Square End Block
Fuse Type Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded)
Melting I²t 20.16 20.16 53.72 137.34
Breaking Capacity @ Rated Voltage 50A 50A 50A 50A
Color - - - -
Response Time Slow Blow Slow Blow Slow Blow Slow Blow

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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0452003.MRSN Image

0452003.MRSN

Littelfuse Inc.
32D-0452003.MRSN

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