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HomeProductsCircuit ProtectionFuses0251.630MRT1L
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0251.630MRT1L - Littelfuse Inc.

Manufacturer Part Number
0251.630MRT1L
Manufacturer
Littelfuse
Allelco Part Number
32D-0251.630MRT1L
ECAD Model
Parts Description
FUSE BOARD MNT 630MA 125VAC/VDC
Package
Axial
Data sheet
Cylindrical Battery Holders.pdf
Cylindrical Battery Holders.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 61150

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Our certification

Specifications

0251.630MRT1L Tech Specifications
Littelfuse Inc. - 0251.630MRT1L technical specifications, attributes, parameters and parts with similar specifications to Littelfuse Inc. - 0251.630MRT1L

Product Attribute Attribute Value  
Manufacturer Littelfuse  
Voltage Rating - DC 125 V  
Voltage Rating - AC 125 V  
Size / Dimension 0.110' Dia x 0.280' L (2.80mm x 7.11mm)  
Series PICO® II 251  
Response Time Fast Blow  
Package / Case Axial  
Package Tape & Reel (TR)  
Operating Temperature -55°C ~ 125°C  
Product Attribute Attribute Value  
Mounting Type Through Hole  
Melting I²t 0.08  
Fuse Type Board Mount (Cartridge Style Excluded)  
DC Cold Resistance 0.205 Ohms  
Current Rating (Amps) 630 mA  
Color -  
Breaking Capacity @ Rated Voltage 50A AC, 300A DC  
Approval Agency CSA, cURus  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) Not Applicable
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8536.10.0040

Parts Introduction

Manufacturer Part Number

630MRT1L

Manufacturer

Littelfuse

Introduction

The Littelfuse PICO® II 251 series of circuit protection fuses are designed for a wide range of applications, including consumer electronics, industrial equipment, and automotive systems. These fuses offer reliable overcurrent protection, ensuring the safety and reliability of your devices.

Product Features and Performance

Current rating: 630 mA

Voltage rating: 125 V AC, 125 V DC

Response time: Fast blow

Mounting type: Through-hole

Fuse type: Board mount (cartridge style excluded)

Breaking capacity: 50 A AC, 300 A DC

Melting I²t: 0.08

Approval agency: CSA, cURus

Operating temperature: -55°C to 125°C

Product Advantages

Compact and space-saving design

Reliable overcurrent protection

Compliant with industry safety standards

Wide operating temperature range

Suitable for a variety of applications

Key Reasons to Choose This Product

Proven reliability and performance

Cost-effective solution for circuit protection

Easy integration into your design

Backed by Littelfuse's industry-leading expertise

Extensive range of available options to meet your specific needs

Quality and Safety Features

Designed and manufactured to the highest quality standards

Compliant with relevant safety regulations and certifications

Robust construction for reliable operation

Compatibility

This fuse is compatible with a wide range of electronic devices and systems that require overcurrent protection, including:

Consumer electronics

Industrial equipment

Automotive applications

Telecommunications equipment

Power supplies

Control systems

Application Areas

Circuit protection for electronic devices

Overcurrent protection for power supplies

Safety critical applications

Industrial automation and control systems

Automotive electronics

Product Lifecycle

The Littelfuse PICO® II 251 series fuse is an active product, and there are currently no plans for discontinuation. Equivalent or alternative models may be available, but it is recommended to consult with our website's sales team for the most up-to-date information on product availability and compatibility.

Parts with Similar Specifications

The three parts on the right have similar specifications to Littelfuse Inc. 0251.630MRT1L

Product Attribute 0251.630MRT1L 0251002.NRT1L 0251.250NRT1L 0251.750MRT1L
Part Number 0251.630MRT1L 0251002.NRT1L 0251.250NRT1L 0251.750MRT1L
Manufacturer Littelfuse Inc. Littelfuse Inc. Littelfuse Inc. Littelfuse Inc.
Fuse Type Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded) Board Mount (Cartridge Style Excluded)
Size / Dimension 0.110' Dia x 0.280' L (2.80mm x 7.11mm) 0.110' Dia x 0.280' L (2.80mm x 7.11mm) 0.110" Dia x 0.280" L (2.80mm x 7.11mm) 0.110' Dia x 0.280' L (2.80mm x 7.11mm)
Series PICO® II 251 PICO® II 251 PICO® II 251 PICO® II 251
Mounting Type Through Hole Through Hole Through Hole Through Hole
Breaking Capacity @ Rated Voltage 50A AC, 300A DC 50A AC, 300A DC 50A AC, 300A DC 50A AC, 300A DC
Melting I²t 0.08 0.405 0.0116 0.153
Approval Agency CSA, cURus CCC, CSA, cURus, PSE, TUV CSA, cURus CSA, cURus, TUV
Operating Temperature -55°C ~ 125°C -55°C ~ 125°C -55°C ~ 125°C -55°C ~ 125°C
DC Cold Resistance 0.205 Ohms 0.0473 Ohms 0.665 Ohms 0.175 Ohms
Color - - - -
Current Rating (Amps) 630 mA 2 A 250 mA 750 mA
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Voltage Rating - AC 125 V 125 V 125 V 125 V
Voltage Rating - DC 125 V 125 V 125 V 125 V
Response Time Fast Blow Fast Blow Fast Blow Fast Blow
Package / Case Axial Axial Axial Axial

0251.630MRT1L Datasheet PDF

Download 0251.630MRT1L pdf datasheets and Littelfuse Inc. documentation for 0251.630MRT1L - 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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0251.630MRT1L Image

0251.630MRT1L

Littelfuse Inc.
32D-0251.630MRT1L

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