Loading...

0437.500WR

Littelfuse

0437.500WR by Littelfuse

Littelfuse 0437.500WR is a fast-blow electric fuse with 0.5A rated current and 63V rated voltage, suitable for circuit protection in various applications. With dimensions of 3.2mm x 1.63mm x 0.82mm, it has a trip time of 5s and nominal joule integral of 0.018J, meeting CSA, CUL, and UL standards.

Median Price

$0.781

Lifecycle Status

Suppliers In-Stock

16

In-Stock Inventory

1k+

Distributors (Authorized)

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

Arrow

USA . 596 parts In-Stock

1+ parts

$0.379

100+ parts

$0.335

1k+ parts

$0.288

10k+ parts

-

596

$0.379

$0.335

$0.288

-

DigiKey

USA . 14,908 parts In-Stock

1+ parts

$1.290

100+ parts

$0.753

1k+ parts

$0.576

10k+ parts

$0.456

14,908

$1.290

$0.753

$0.576

$0.456

Mouser Electronics

USA . 4,502 parts In-Stock

1+ parts

$1.290

100+ parts

$0.718

1k+ parts

$0.576

10k+ parts

$0.456

4,502

$1.290

$0.718

$0.576

$0.456

Farnell

UK . 6,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$0.741

6,000

-

-

-

$0.741

Element14

Singapore . 6,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$0.781

6,000

-

-

-

$0.781

Newark

USA . 3,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$0.740

3,000

-

-

-

$0.740

Verical

USA . 2,635 parts In-Stock

1+ parts

-

100+ parts

$0.949

1k+ parts

$0.849

10k+ parts

$0.824

2,635

-

$0.949

$0.849

$0.824

Chip1Stop

Japan . 796 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

796

-

-

-

-

Distributors (In-Stock)

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

Nova Conductors

Japan . 300 parts In-Stock

1+ parts

$0.494

100+ parts

-

1k+ parts

-

10k+ parts

-

300

$0.494

-

-

-

TME

Poland . 640 parts In-Stock

1+ parts

$1.190

100+ parts

$0.710

1k+ parts

$0.680

10k+ parts

-

640

$1.190

$0.710

$0.680

-

Rutronik

Germany . 24,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$0.676

24,000

-

-

-

$0.676

VNN

France . 5,914 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

5,914

-

-

-

-

Vyrian

USA . 5,546 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

5,546

-

-

-

-

ACDS - Activité Composants Distribution Service

France . 3,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

3,000

-

-

-

-

Elcom Components

USA . 122 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

122

-

-

-

-

Prism Electronics

USA . 5 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

5

-

-

-

-

Distributors (Availability)

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

Ampacity Inc.

Singapore . 5,326 parts In-Stock

1+ parts

$0.346

100+ parts

-

1k+ parts

-

10k+ parts

-

5,326

$0.346

-

-

-

Argo Parts USA

USA . 2,334 parts In-Stock

1+ parts

$0.478

100+ parts

-

1k+ parts

-

10k+ parts

$0.464

2,334

$0.478

-

-

$0.464

Netroflash

USA . 2,000 parts In-Stock

1+ parts

$0.494

100+ parts

-

1k+ parts

-

10k+ parts

-

2,000

$0.494

-

-

-

Component Stockers USA

USA . 16,047 parts In-Stock

1+ parts

$0.680

100+ parts

$0.310

1k+ parts

$0.450

10k+ parts

$0.420

16,047

$0.680

$0.310

$0.450

$0.420

CoreStaff

Japan . 2,995 parts In-Stock

1+ parts

$1.224

100+ parts

$0.512

1k+ parts

$0.465

10k+ parts

-

2,995

$1.224

$0.512

$0.465

-

Aztec Data Supply Inc.

USA . 1,128 parts In-Stock

1+ parts

$10.330

100+ parts

-

1k+ parts

-

10k+ parts

-

1,128

$10.330

-

-

-

Corohmni

South Africa . 901 parts In-Stock

1+ parts

$13.587

100+ parts

-

1k+ parts

-

10k+ parts

-

901

$13.587

-

-

-

Kepictronics

USA . 60,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

60,000

-

-

-

-

Perfect Parts

USA . 53,542 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

53,542

-

-

-

-

GreenTree Electronics

Israel . 50,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

50,000

-

-

-

-

Continental Prestige Electronics

USA . 9,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

$0.610

10k+ parts

$0.533

9,000

-

-

$0.610

$0.533

Authorized Procurement Solutions

USA . 5,970 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

5,970

-

-

-

-

Assy Fe

Spain . 3 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

3

-

-

-

-

Overview

When it comes to circuit protection, the 0437.500WR by Littelfuse is a top choice that guarantees quality and reliability. As a leading manufacturer in the industry, Littelfuse ensures that this fuse meets the highest standards for safety and performance. Ideal for a variety of applications, this product offers peace of mind with its fast blow characteristic and high breaking capacity. With Littelfuse, you can trust that your electronics are safe and protected. Choose the 0437.500WR for superior protection and unmatched value.

Feature Benefit Bullets

Nominal Joule Integral:

0.018 J - This fuse has a low nominal joule integral, making it suitable for protecting electronic components from voltage fluctuations or surges.

Rated AC Voltage:

63 V - The 63 V rated AC voltage makes this fuse ideal for use in circuits with lower voltage requirements.

Trip Time/Delay:

5 Seconds - The 5-second trip time ensures that this fuse provides timely protection against overcurrent conditions.

Packing Method:

TR - The TR packing method allows for easy handling and storage of multiple fuses.

Body Length/Diameter:

3.2 mm - With a compact body length and diameter of 3.2 mm, this fuse is suitable for space-constrained applications.

Body Width:

1.63 inch - The 1.63-inch body width ensures compatibility with standard fuse holders and mounting configurations.

Rated Voltage:

63 V - The 63 V rated voltage makes this fuse suitable for use in circuits requiring a higher voltage rating.

Fuse Size:

1206 - The 1206 fuse size is a common industry standard, making it easy to find replacements or alternatives.

Terminal Shape:

WRAPAROUND - The wraparound terminal shape provides a secure connection and ensures reliable circuit protection.

Dimensions:

3.2mm x 1.63mm x 0.82mm - With compact dimensions of 3.2mm x 1.63mm x 0.82mm, this fuse can fit in tight spaces while still providing effective protection.

Body Height:

0.835 mm - The 0.835 mm body height allows for low-profile installation without compromising on protection capabilities.

Rated Current:

0.5 A - The 0.5 A rated current ensures that this fuse is suitable for protecting low-current circuits.

Maximum Operating Temperature:

150 °C - With a maximum operating temperature of 150°C, this fuse can withstand high-temperature environments.

Blow Characteristic:

FAST - The fast blow characteristic ensures rapid response to overcurrent conditions, protecting sensitive components.

Minimum Operating Temperature:

55 °C - The -55°C minimum operating temperature makes this fuse suitable for use in cold environments.

Circuit Protection Type:

ELECTRIC FUSE - This electric fuse provides reliable circuit protection against overcurrent and voltage fluctuations.

Terminal Finish:

MATTE TIN OVER NICKEL - The matte tin over nickel terminal finish ensures a durable and corrosion-resistant connection.

Rated Breaking Capacity:

50 A - With a 50 A rated breaking capacity, this fuse can safely interrupt high fault currents without damage.

Rated DC Voltage:

63 V - The 63 V rated DC voltage makes this fuse suitable for use in DC circuits with lower voltage requirements.

Pre Arcing Rating (A2/s):

0.018 - The low pre arcing rating of 0.018 A2/s ensures reliable protection against inrush currents.

Mounting Feature:

SURFACE MOUNT - The surface mounting feature allows for easy and secure installation on PCBs or other electronic devices.

Reference Standard:

CSA; CUL; UL - This fuse meets the quality and safety standards set by CSA, CUL, and UL, ensuring reliable performance and compliance.

Technical Specifications

Fuses 0437.500WR 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:

63 V

Pre Arcing Rating (A2/s):

0.018

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:

18 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

0437.500WR 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.

The material and information contained is this video is for educational and general information purposes. All rights remain with respective rightsholders. Fair Use Statement

Category top products 20

Authentic purchasing experiences

Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.

Similar products 19