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0251004.MRT1L

Littelfuse

0251004.MRT1L by Littelfuse

Littelfuse 0251004.MRT1L PICO fuse, rated 125V, 4A with very fast blow characteristic. Ideal for circuit protection in applications requiring supplemental protection at -55 to 125 °C. Features include trip time of 0.004s, nominal joule integral of 2.45J, and terminal shape PIN WIRE.

Median Price

$0.674

Lifecycle Status

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18

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1k+

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RS (Exports)

UK . 866 parts In-Stock

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Farnell

UK . 1,287 parts In-Stock

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$0.674

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$0.476

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$0.406

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RS Americas

USA . 990 parts In-Stock

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$0.890

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$0.710

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Element14

Singapore . 693 parts In-Stock

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$0.998

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$0.695

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$0.535

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$0.455

693

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$0.455

Mouser Electronics

USA . 794 parts In-Stock

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$1.090

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$0.630

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$0.468

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$0.462

794

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$0.630

$0.468

$0.462

DigiKey

USA . 5,657 parts In-Stock

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$1.260

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$0.737

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$0.507

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$0.445

5,657

$1.260

$0.737

$0.507

$0.445

Newark

USA . 72 parts In-Stock

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$1.290

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$0.808

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$0.738

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72

$1.290

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Future Electronics

Canada . 4,000 parts In-Stock

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Arrow

USA . 1,000 parts In-Stock

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$0.448

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Verical

USA . 1,000 parts In-Stock

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Chip1Stop

Japan . 970 parts In-Stock

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$0.396

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Nova Conductors

Japan . 39 parts In-Stock

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$0.460

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IBS Electronics

USA . 4,282 parts In-Stock

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$1.102

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$0.660

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$0.645

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NAC Semi

USA . 7,000 parts In-Stock

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$0.910

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$0.827

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VNN

France . 4,903 parts In-Stock

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Vyrian

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ACDS - Activité Composants Distribution Service

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Prism Electronics

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Ampacity Inc.

Singapore . 1,336 parts In-Stock

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$0.290

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Semicontronic

India . 1,100 parts In-Stock

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$0.290

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$0.283

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$0.281

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Argo Parts USA

USA . 2,692 parts In-Stock

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$0.419

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$0.406

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$0.419

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Netroflash

USA . 1,000 parts In-Stock

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$0.460

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$0.437

10k+ parts

$0.428

1,000

$0.460

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Corohmni

South Africa . 71 parts In-Stock

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$0.483

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Continental Prestige Electronics

USA . 948 parts In-Stock

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$0.768

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$0.530

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$0.358

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$0.331

948

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Component Stockers USA

USA . 2,830 parts In-Stock

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$0.950

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$0.650

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$0.470

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CoreStaff

Japan . 1,000 parts In-Stock

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$1.206

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$0.505

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$0.458

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Aztec Data Supply Inc.

USA . 4,664 parts In-Stock

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$8.027

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Perfect Parts

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Allen Electronics Distributors

USA . 1,000 parts In-Stock

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$1.090

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Glotronic Ltd.

UK . 900 parts In-Stock

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900

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Overview

Looking for reliable circuit protection? Look no further than the 0251004.MRT1L by Littelfuse. With a very fast blow characteristic and a rated breaking capacity of 50A, this PICO fuse ensures your electronic devices are safe from electrical faults. Littelfuse, known for their top-notch quality and innovative solutions, delivers a product that offers peace of mind to customers in various applications. Trust in Littelfuse to provide superior protection for your valuable equipment.

Feature Benefit Bullets

Nominal Joule Integral: 2.45 J

With a high nominal Joule integral, this fuse offers excellent protection against power surges and overloads, ensuring the safety of your electrical equipment.

Rated AC Voltage: 125 V

Suitable for use with standard 125 V AC circuits, making it compatible with a wide range of electronic devices and appliances.

Trip Time/Delay: 0.004 Seconds

The fast trip time/delay of 0.004 seconds ensures quick protection in the event of a fault, minimizing the risk of damage to connected equipment.

Body Length/Diameter: 2.8 mm

Compact body size makes it easy to install in tight spaces or crowded circuit boards, ideal for applications where space is limited.

Rated Current: 4 A

Rated to handle up to 4 amps of current, providing reliable protection for low to moderate power circuits.

Rated Breaking Capacity: 50 A

With a high rated breaking capacity of 50 A, this fuse can safely interrupt high fault currents, preventing damage to downstream components.

Mounting Feature: THROUGH HOLE

Designed for easy through-hole mounting, ensuring secure and stable placement on the circuit board during operation.

Reference Standard: CCC; CSA; CUL; PSE; TUV; UL

Compliance with multiple international standards demonstrates the quality and safety of this fuse, giving you peace of mind when using it in your projects.

Technical Specifications

Fuses 0251004.MRT1L attributes and parameters. Explore more Fuses devices from Littelfuse

Electrical Specifications

Circuit Protection Type:

Rated Current:

4 A

Rated Breaking Capacity:

50 A

Rated AC Voltage:

Rated DC Voltage:

Rated Voltage:

125 V

Pre Arcing Rating (A2/s):

2.45

Physical Dimensions

Body Diameter:

0.11 in (2.8 mm)

Body Height:

0.28 in (7.11 mm)

Dimensions:

0.11 x 0.28 in (2.8 x 7.11 mm)

Fuse Characteristics

Blow Characteristic:

Very Fast

Fuse Size/Group:

Pico

Trip Time/Delay:

4 ms

Fuse Class:

Supplemental

Additional Features:

Pre-Arcing Time: Open within 4 ms at 1000% Rated Current

Nominal Joule Integral:

2.45 J

Operational Environment

Minimum Operating Temperature:

-55 °C (-67 °F)

Maximum Operating Temperature:

125 °C (257 °F)

Design and Compliance

Reference Standard:

CCC; CSA; CUL; PSE; TUV; UL

JESD-609 Code:

e3

Mounting and Packing

Terminal Shape:

Terminal Finish:

Matte Tin

Mounting Feature:

Packing Method:

Tape And Reel

Trade Compliance

0251004.MRT1L Circuit Protection trade compliance attributes, and parameters.

ECCN

EAR99

ECCN Governance

EAR

HTS

8536.10.00.40

SB

8536.10.00.40

Manufacturer Highlights

Littelfuse

Littelfuse is a diversified industrial technology manufacturing company empowering a sustainable, connected, and safer world. Across more than 20 countries, and with approximately 18,000 global associates, we partner with customers to design and deliver innovative, reliable solutions. Serving over 100,000 end customers, our products are found in a variety of industrial, transportation, and electronics end markets—everywhere, every day. Headquartered in Chicago, Illinois, United States, Littelfuse was founded in 1927.

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