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0437.250WR

Littelfuse

0437.250WR by Littelfuse

Littelfuse 0437.250WR is a fast-acting electric fuse with 0.25A rated current and 125V rated voltage. It has a trip time of 5 seconds, making it suitable for circuit protection in applications requiring quick response to overcurrent conditions. With dimensions of 3.2mm x 1.63mm x 0.82mm, this surface mount fuse is ideal for use in electronic devices where space is limited.

Median Price

$0.790

Lifecycle Status

Suppliers In-Stock

17

In-Stock Inventory

1k+

Distributors (Authorized)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Chip1Stop

Japan . 3,000 parts In-Stock

1+ parts

$0.938

100+ parts

$0.611

1k+ parts

$0.467

10k+ parts

$0.453

3,000

$0.938

$0.611

$0.467

$0.453

Arrow

USA . 5,690 parts In-Stock

1+ parts

$1.093

100+ parts

$0.648

1k+ parts

$0.505

10k+ parts

$0.448

5,690

$1.093

$0.648

$0.505

$0.448

DigiKey

USA . 23,448 parts In-Stock

1+ parts

$1.290

100+ parts

$0.753

1k+ parts

$0.576

10k+ parts

$0.456

23,448

$1.290

$0.753

$0.576

$0.456

TTI Europe

Germany . 180,000 parts In-Stock

1+ parts

-

100+ parts

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1k+ parts

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10k+ parts

$0.490

180,000

-

-

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$0.490

Future Electronics

Canada . 39,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

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10k+ parts

$0.505

39,000

-

-

-

$0.505

Newark

USA . 6,000 parts In-Stock

1+ parts

-

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-

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10k+ parts

$0.740

6,000

-

-

-

$0.740

Verical

USA . 5,690 parts In-Stock

1+ parts

-

100+ parts

$0.648

1k+ parts

$0.505

10k+ parts

$0.448

5,690

-

$0.648

$0.505

$0.448

Element14

Singapore . 1,049 parts In-Stock

1+ parts

-

100+ parts

$0.839

1k+ parts

$0.692

10k+ parts

-

1,049

-

$0.839

$0.692

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Distributors (In-Stock)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Nova Conductors

Japan . 15 parts In-Stock

1+ parts

$0.511

100+ parts

-

1k+ parts

-

10k+ parts

-

15

$0.511

-

-

-

TME

Poland . 1,354 parts In-Stock

1+ parts

$0.780

100+ parts

-

1k+ parts

-

10k+ parts

$0.580

1,354

$0.780

-

-

$0.580

IBS Electronics

USA . 45,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$0.732

45,000

-

-

-

$0.732

Vyrian

USA . 41,100 parts In-Stock

1+ parts

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100+ parts

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41,100

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NAC Semi

USA . 30,000 parts In-Stock

1+ parts

-

100+ parts

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1k+ parts

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10k+ parts

$0.867

30,000

-

-

-

$0.867

Sunrise Surplus Inc.

USA . 11,200 parts In-Stock

1+ parts

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100+ parts

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11,200

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Rutronik

Germany . 9,000 parts In-Stock

1+ parts

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100+ parts

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1k+ parts

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10k+ parts

$0.634

9,000

-

-

-

$0.634

ACDS - Activité Composants Distribution Service

France . 3,000 parts In-Stock

1+ parts

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3,000

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VNN

France . 174 parts In-Stock

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174

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Distributors (Availability)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Ampacity Inc.

Singapore . 29,737 parts In-Stock

1+ parts

$0.348

100+ parts

-

1k+ parts

-

10k+ parts

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29,737

$0.348

-

-

-

Argo Parts USA

USA . 1,559 parts In-Stock

1+ parts

$0.495

100+ parts

-

1k+ parts

-

10k+ parts

$0.480

1,559

$0.495

-

-

$0.480

Continental Prestige Electronics

USA . 2,139 parts In-Stock

1+ parts

$1.140

100+ parts

$0.767

1k+ parts

$0.622

10k+ parts

-

2,139

$1.140

$0.767

$0.622

-

CoreStaff

Japan . 2,960 parts In-Stock

1+ parts

$1.235

100+ parts

$0.516

1k+ parts

$0.468

10k+ parts

-

2,960

$1.235

$0.516

$0.468

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Corohmni

South Africa . 243 parts In-Stock

1+ parts

$2.956

100+ parts

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243

$2.956

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Aztec Data Supply Inc.

USA . 4,923 parts In-Stock

1+ parts

$13.503

100+ parts

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4,923

$13.503

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Perfect Parts

USA . 33,153 parts In-Stock

1+ parts

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33,153

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Kepictronics

USA . 30,000 parts In-Stock

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30,000

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Authorized Procurement Solutions

USA . 3,000 parts In-Stock

1+ parts

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3,000

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Glotronic Ltd.

UK . 2,500 parts In-Stock

1+ parts

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2,500

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Netroflash

USA . 50 parts In-Stock

1+ parts

-

100+ parts

$0.501

1k+ parts

$0.485

10k+ parts

$0.475

50

-

$0.501

$0.485

$0.475

Overview

Littelfuse presents the 0437.250WR, a high-quality fuse designed to protect your electronic devices with its fast blow characteristic and impressive 50A rated breaking capacity. As a renowned manufacturer in the industry, Littelfuse ensures reliability and durability in their products. Perfect for a variety of applications, this fuse offers peace of mind and protection against electrical faults. Trust Littelfuse to deliver superior quality and performance with the 0437.250WR fuse.

Feature Benefit Bullets

Nominal Joule Integral 0.003 J

Low joule integral value provides efficient and effective protection against power surges.

Rated AC Voltage 125 V

Suitable for use in standard AC voltage applications.

Trip Time/Delay 5 Seconds

Provides a short delay to allow for temporary surges while still protecting the circuit in case of a sustained fault.

Body Length/Diameter 3.2 mm

Compact size for easy installation in a variety of electronic devices.

Rated Current 0.25 A

Ideal for low current applications where precision protection is required.

Circuit Protection Type ELECTRIC FUSE

Specifically designed for circuit protection, ensuring the safety of connected devices and components.

Maximum Operating Temperature 150 °C

Can withstand high temperatures, making it suitable for use in various environments.

Mounting Feature SURFACE MOUNT

Easy to mount on circuit boards or other surfaces, facilitating installation in electronic devices.

Technical Specifications

Fuses 0437.250WR attributes and parameters. Explore more Fuses devices from Littelfuse

Electrical Specifications

Circuit Protection Type:

Rated Current:

Rated Breaking Capacity:

50 A

Rated AC Voltage:

Rated DC Voltage:

Rated Voltage:

125 V

Pre Arcing Rating (A2/s):

0.003

Physical Dimensions

Body Diameter:

0.126 in (3.2 mm)

Body Height:

0.033 in (0.835 mm)

Body Width:

0.064 in (1.63 mm)

Dimensions:

0.126 x 0.064 x 0.032 in (3.2 x 1.63 x 0.82 mm)

Fuse Characteristics

Blow Characteristic:

Fast

Fuse Size/Group:

1206

Trip Time/Delay:

5 s

Nominal Joule Integral:

3 mJ

Operational Environment

Minimum Operating Temperature:

-55 °C (-67 °F)

Maximum Operating Temperature:

150 °C (302 °F)

Design and Compliance

Reference Standard:

CSA; CUL; UL

JESD-609 Code:

e3

Mounting and Packing

Terminal Shape:

Terminal Finish:

Tin Over Nickel

Mounting Feature:

Packing Method:

Tape And Reel

Trade Compliance

0437.250WR 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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