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0437001.WR

Littelfuse

0437001.WR by Littelfuse

Littelfuse 0437001.WR is a fast blow fuse with 1A rated current, 63V DC voltage, and 0.1J nominal joule integral. Ideal for circuit protection in electronics, it has a compact size of 1206 and WRAPAROUND terminals. Operating temperature ranges from -55°C to 150°C.

Median Price

$1.169

Lifecycle Status

Suppliers In-Stock

21

In-Stock Inventory

1k+

Distributors (Authorized)

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

Arrow

USA . 8,800 parts In-Stock

1+ parts

$0.720

100+ parts

$0.627

1k+ parts

$0.625

10k+ parts

-

8,800

$0.720

$0.627

$0.625

-

Chip1Stop

Japan . 2,437 parts In-Stock

1+ parts

$0.809

100+ parts

$0.625

1k+ parts

$0.542

10k+ parts

-

2,437

$0.809

$0.625

$0.542

-

Mouser Electronics

USA . 2,568 parts In-Stock

1+ parts

$1.440

100+ parts

$0.867

1k+ parts

$0.662

10k+ parts

$0.570

2,568

$1.440

$0.867

$0.662

$0.570

DigiKey

USA . 55,621 parts In-Stock

1+ parts

$1.580

100+ parts

$0.924

1k+ parts

$0.706

10k+ parts

$0.571

55,621

$1.580

$0.924

$0.706

$0.571

Newark

USA . 3,007 parts In-Stock

1+ parts

$2.400

100+ parts

$1.750

1k+ parts

$1.350

10k+ parts

-

3,007

$2.400

$1.750

$1.350

-

TTI Europe

Germany . 6,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$0.589

6,000

-

-

-

$0.589

Verical

USA . 3,000 parts In-Stock

1+ parts

-

100+ parts

$1.169

1k+ parts

$1.046

10k+ parts

$1.016

3,000

-

$1.169

$1.046

$1.016

Element14

Singapore . 2,760 parts In-Stock

1+ parts

-

100+ parts

$2.020

1k+ parts

$1.350

10k+ parts

$1.330

2,760

-

$2.020

$1.350

$1.330

Farnell

UK . 1,725 parts In-Stock

1+ parts

-

100+ parts

$1.100

1k+ parts

$0.995

10k+ parts

$0.912

1,725

-

$1.100

$0.995

$0.912

Distributors (In-Stock)

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

Nova Conductors

Japan . 1,000 parts In-Stock

1+ parts

$0.618

100+ parts

-

1k+ parts

-

10k+ parts

-

1,000

$0.618

-

-

-

Maritex

Poland . 30,000 parts In-Stock

1+ parts

$1.296

100+ parts

$0.762

1k+ parts

$0.660

10k+ parts

$0.660

30,000

$1.296

$0.762

$0.660

$0.660

Bristol Electronics

USA . 21,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

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21,000

-

-

-

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Component Sense

UK . 10,746 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

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10,746

-

-

-

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Cyclops Electronics Ltd

UK . 7,300 parts In-Stock

1+ parts

-

100+ parts

-

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7,300

-

-

-

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Vyrian

USA . 4,990 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

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4,990

-

-

-

-

ACDS - Activité Composants Distribution Service

France . 3,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

3,000

-

-

-

-

Rutronik

Germany . 3,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$0.847

3,000

-

-

-

$0.847

IBS Electronics

USA . 3,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$0.769

3,000

-

-

-

$0.769

Inventory MP

USA . 2,513 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

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2,513

-

-

-

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Semtec, LLC

USA . 959 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

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10k+ parts

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959

-

-

-

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VNN

France . 641 parts In-Stock

1+ parts

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100+ parts

-

1k+ parts

-

10k+ parts

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641

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Distributors (Availability)

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

Ampacity Inc.

Singapore . 4,969 parts In-Stock

1+ parts

$0.500

100+ parts

-

1k+ parts

-

10k+ parts

-

4,969

$0.500

-

-

-

Argo Parts USA

USA . 1,867 parts In-Stock

1+ parts

$0.616

100+ parts

-

1k+ parts

-

10k+ parts

$0.598

1,867

$0.616

-

-

$0.598

Netroflash

USA . 1,000 parts In-Stock

1+ parts

$0.618

100+ parts

-

1k+ parts

$0.587

10k+ parts

$0.575

1,000

$0.618

-

$0.587

$0.575

Advanced Electronics

New Zealand . 150 parts In-Stock

1+ parts

$0.718

100+ parts

$0.661

1k+ parts

$0.619

10k+ parts

-

150

$0.718

$0.661

$0.619

-

Semicontronic

India . 4,739 parts In-Stock

1+ parts

$1.090

100+ parts

$1.063

1k+ parts

$1.057

10k+ parts

-

4,739

$1.090

$1.063

$1.057

-

Continental Prestige Electronics

USA . 2,870 parts In-Stock

1+ parts

$1.390

100+ parts

$0.932

1k+ parts

$0.779

10k+ parts

-

2,870

$1.390

$0.932

$0.779

-

CoreStaff

Japan . 3,000 parts In-Stock

1+ parts

$1.547

100+ parts

$0.631

1k+ parts

$0.584

10k+ parts

-

3,000

$1.547

$0.631

$0.584

-

Aztec Data Supply Inc.

USA . 3,697 parts In-Stock

1+ parts

$8.850

100+ parts

-

1k+ parts

-

10k+ parts

-

3,697

$8.850

-

-

-

Corohmni

South Africa . 54 parts In-Stock

1+ parts

$12.972

100+ parts

-

1k+ parts

-

10k+ parts

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54

$12.972

-

-

-

Perfect Parts

USA . 15,344 parts In-Stock

1+ parts

-

100+ parts

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1k+ parts

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10k+ parts

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15,344

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-

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Kepictronics

USA . 13,000 parts In-Stock

1+ parts

-

100+ parts

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1k+ parts

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10k+ parts

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13,000

-

-

-

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Authorized Procurement Solutions

USA . 6,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

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6,000

-

-

-

-

Overview

Littelfuse presents the 0437001.WR, a top-of-the-line fuse designed to provide exceptional circuit protection for a wide range of applications. With a fast blow characteristic and a high rated breaking capacity of 50A, this product ensures reliable performance and peace of mind for customers. Perfectly suited for surface mount installations, this fuse boasts a compact size and wraparound terminals for easy integration. Trust in Littelfuse's reputation for quality and innovation and invest in the 0437001.WR for your electrical protection needs.

Feature Benefit Bullets

Nominal Joule Integral: 0.1 J

This fuse has a low energy dissipation, making it suitable for protecting sensitive electronic components from damage.

Rated AC Voltage: 63 V

Designed to handle standard AC voltage levels, offering compatibility with a wide range of electrical systems.

Trip Time/Delay: 1 Seconds

Provides quick protection in case of a fault, minimizing the risk of damage to connected devices.

Body Length/Diameter: 3.2 mm

Compact size allows for easy installation and compatibility with various electronic devices.

Rated Current: 1 A

Suitable for low current applications, ensuring effective protection for devices without unnecessary overloading.

Maximum Operating Temperature: 150 °C

Can withstand high temperatures, making it durable and reliable in various environmental conditions.

Blow Characteristic: FAST

Fast-acting blow characteristic helps to quickly interrupt the circuit during a fault, preventing further damage.

Mounting Feature: SURFACE MOUNT

Easy to mount on circuit boards, simplifying the installation process for manufacturers.

Technical Specifications

Fuses 0437001.WR attributes and parameters. Explore more Fuses devices from Littelfuse

Electrical Specifications

Circuit Protection Type:

Rated Current:

1 A

Rated Breaking Capacity:

50 A

Rated AC Voltage:

Rated DC Voltage:

Rated Voltage:

63 V

Pre Arcing Rating (A2/s):

0.1

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:

1 s

Nominal Joule Integral:

100 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

0437001.WR 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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