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0437003.WR

Littelfuse

0437003.WR by Littelfuse

Littelfuse 0437003.WR is a 1206 size fuse with 3A rated current and fast blow characteristic. It has a rated voltage of 35V, trip time of 1s, and nominal joule integral of 0.506J. Ideal for circuit protection in applications requiring surface mount fuses with WRAPAROUND terminals.

Median Price

$1.320

Lifecycle Status

Suppliers In-Stock

18

In-Stock Inventory

1k+

Distributors (Authorized)

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

Mouser Electronics

USA . 6,190 parts In-Stock

1+ parts

$1.320

100+ parts

$0.791

1k+ parts

$0.626

10k+ parts

$0.528

6,190

$1.320

$0.791

$0.626

$0.528

Chip1Stop

Japan . 1,416 parts In-Stock

1+ parts

$1.340

100+ parts

$0.510

1k+ parts

$0.508

10k+ parts

-

1,416

$1.340

$0.510

$0.508

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DigiKey

USA . 2,861 parts In-Stock

1+ parts

$1.470

100+ parts

$0.862

1k+ parts

$0.658

10k+ parts

$0.528

2,861

$1.470

$0.862

$0.658

$0.528

Newark

USA . 2,494 parts In-Stock

1+ parts

$1.630

100+ parts

$1.290

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-

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2,494

$1.630

$1.290

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Arrow

USA . 6,000 parts In-Stock

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$0.518

6,000

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$0.518

Verical

USA . 6,000 parts In-Stock

1+ parts

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$0.518

6,000

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$0.518

TTI

USA . 6,000 parts In-Stock

1+ parts

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$0.515

6,000

-

-

-

$0.515

Distributors (In-Stock)

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

Maritex

Poland . 13,005 parts In-Stock

1+ parts

$0.123

100+ parts

$0.054

1k+ parts

$0.051

10k+ parts

$0.045

13,005

$0.123

$0.054

$0.051

$0.045

DF Sales Co.

USA . 1,270 parts In-Stock

1+ parts

$0.360

100+ parts

-

1k+ parts

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10k+ parts

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1,270

$0.360

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DF Sales Co.

USA . 1,270 parts In-Stock

1+ parts

$0.360

100+ parts

-

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-

10k+ parts

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1,270

$0.360

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Nova Conductors

Japan . 10 parts In-Stock

1+ parts

$0.640

100+ parts

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10

$0.640

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Chip Stock

USA . 45,500 parts In-Stock

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45,500

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Cyclops Electronics Ltd

UK . 45,000 parts In-Stock

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45,000

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VNN

France . 5,291 parts In-Stock

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5,291

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Vyrian

USA . 4,024 parts In-Stock

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4,024

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Rutronik

Germany . 3,000 parts In-Stock

1+ parts

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100+ parts

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10k+ parts

$0.697

3,000

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$0.697

ACDS - Activité Composants Distribution Service

France . 1,859 parts In-Stock

1+ parts

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1,859

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Elcom Components

USA . 189 parts In-Stock

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189

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Distributors (Availability)

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

Ampacity Inc.

Singapore . 7,251 parts In-Stock

1+ parts

$0.399

100+ parts

-

1k+ parts

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10k+ parts

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7,251

$0.399

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Netroflash

USA . 1,000 parts In-Stock

1+ parts

$0.640

100+ parts

-

1k+ parts

$0.608

10k+ parts

$0.595

1,000

$0.640

-

$0.608

$0.595

CoreStaff

Japan . 61 parts In-Stock

1+ parts

$1.547

100+ parts

$0.631

1k+ parts

$0.584

10k+ parts

-

61

$1.547

$0.631

$0.584

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Kepictronics

USA . 60,000 parts In-Stock

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Perfect Parts

USA . 28,819 parts In-Stock

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28,819

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XScomponents

USA . 3,000 parts In-Stock

1+ parts

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$1.600

10k+ parts

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3,000

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$1.600

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Continental Prestige Electronics

USA . 1,582 parts In-Stock

1+ parts

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1,582

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Argo Parts USA

USA . 1,370 parts In-Stock

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1,370

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Authorized Procurement Solutions

USA . 995 parts In-Stock

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995

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Overview

Discover the 0437003.WR by Littelfuse, a top-quality fuse designed to provide reliable circuit protection in a wide range of applications. With a fast blow characteristic and a high rated breaking capacity of 50A, this fuse ensures your equipment stays safe from electrical faults. Trust in Littelfuse's expertise in manufacturing fuses to deliver a product that offers exceptional value and peace of mind. Upgrade your circuit protection today with the 0437003.WR fuse!

Feature Benefit Bullets

Nominal Joule Integral: 0.506 J

With a high nominal joule integral, this fuse can effectively absorb and dissipate energy during a fault, protecting the circuit components.

Rated AC Voltage: 45 V

Suitable for applications that require reliable protection against overcurrents in AC circuits operating at up to 45 volts.

Trip Time/Delay: 1 Seconds

The quick trip time of 1 second ensures prompt interruption of the circuit in case of a fault, minimizing potential damage to the equipment.

Body Length/Diameter: 3.2 mm

Compact size allows for easy installation in space-constrained environments.

Rated Current: 3 A

Rated for a current of 3 amps, making it suitable for various low to moderate current applications.

Maximum Operating Temperature: 150 °C

With a high maximum operating temperature, this fuse can withstand elevated temperatures without compromising its performance.

Blow Characteristic: FAST

The fast blow characteristic ensures quick response to overcurrent conditions, providing effective protection to the circuit.

Mounting Feature: SURFACE MOUNT

Designed for surface mount application, making it convenient for automated assembly processes.

Technical Specifications

Fuses 0437003.WR attributes and parameters. Explore more Fuses devices from Littelfuse

Electrical Specifications

Circuit Protection Type:

Rated Current:

3 A

Rated Breaking Capacity:

50 A

Rated AC Voltage:

Rated DC Voltage:

Rated Voltage:

35 V

Pre Arcing Rating (A2/s):

0.506

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:

506 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:

Matte Tin Over Nickel

Mounting Feature:

Packing Method:

Tape And Reel

Trade Compliance

0437003.WR Circuit Protection trade compliance attributes, and parameters.

ECCN

EAR99

ECCN Governance

EAR

HTS

8536.10.00.40

SB

8536.10.00.40

PCN

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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