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166.7000.520.2

Littelfuse

166.7000.520.2 by Littelfuse

The Littelfuse 166.7000.520.2 is a 20A ATO fuse with dimensions of 19mm x 5mm x 13.2mm, rated at 80V and has a blow characteristic of TIME LAG. It is used for circuit protection in applications requiring a supplemental electric fuse with a rated breaking capacity of 1000A and pre-arcing rating of 475 A2/s, meeting CSA and UL standards.

Median Price

$3.360

Lifecycle Status

Suppliers In-Stock

3

In-Stock Inventory

1k+

Distributors (In-Stock)

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

Nova Conductors

Japan . 33 parts In-Stock

1+ parts

$3.360

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33

$3.360

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VNN

France . 5,887 parts In-Stock

1+ parts

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5,887

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Vyrian

USA . 554 parts In-Stock

1+ parts

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554

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Distributors (Availability)

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

Ampacity Inc.

Singapore . 712 parts In-Stock

1+ parts

$0.210

100+ parts

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712

$0.210

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Netroflash

USA . 2,000 parts In-Stock

1+ parts

$3.360

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2,000

$3.360

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Continental Prestige Electronics

USA . 984 parts In-Stock

1+ parts

$3.360

100+ parts

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$3.293

984

$3.360

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$3.293

Argo Parts USA

USA . 666 parts In-Stock

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$3.360

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666

$3.360

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AZTECH Wire

Italy . 554 parts In-Stock

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$5.777

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554

$5.777

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Overview

Upgrade your circuit protection with the 166.7000.520.2 fuse from Littelfuse. Known for their quality and reliability, Littelfuse fuses are trusted by professionals worldwide. The ATO fuse size and time lag blow characteristic make it perfect for supplemental circuit protection in a variety of applications. With a rated current of 20 A and a rated breaking capacity of 1000 A, this fuse offers superior protection for your electrical systems. Trust Littelfuse to keep your circuits running smoothly.

Feature Benefit Bullets

Body Length/Diameter: 19 mm

The compact size of the fuse makes it easy to fit into various applications without taking up too much space.

Body Width: 5 inch

The wide body of the fuse provides stability and ease of handling during installation.

Fuse Class: Supplemental

Being a supplemental fuse class, this fuse offers additional protection to the circuit, enhancing overall safety.

Rated Voltage: 80 V

This fuse is suitable for applications where the voltage does not exceed 80V, providing reliable protection.

Fuse Size: ATO

The ATO size of the fuse is commonly used in automotive applications, making this fuse versatile and widely compatible.

Terminal Shape: TAB/BLADE

The tab/blade terminal shape ensures easy connectivity and a secure fit in the circuit, reducing the risk of loose connections.

Dimensions: 19mm x 5mm x 13.2mm

The specific dimensions of the fuse make it suitable for a range of applications, providing flexibility in installation.

Rated Current: 20 A

With a rated current of 20A, this fuse offers reliable protection for circuits with current requirements within this range.

Blow Characteristic: TIME LAG

The time lag blow characteristic of the fuse allows for temporary overloads to pass through without blowing the fuse, providing added protection.

Circuit Protection Type: ELECTRIC FUSE

As an electric fuse, this product effectively protects circuits from overcurrent situations, helping prevent damage to equipment.

Terminal Finish: MATTE TIN

The matte tin terminal finish provides a durable and reliable connection, ensuring long-term performance of the fuse in various environments.

Rated Breaking Capacity: 1000 A

With a high rated breaking capacity of 1000A, this fuse can effectively handle short circuits and protect the circuit from damage.

Pre Arcing Rating (A2/s): 475

The pre arcing rating of 475A2/s indicates the fuse's ability to withstand high fault currents without pre-arcing, maintaining circuit integrity.

Reference Standard: CSA; UL

Compliance with standards such as CSA and UL ensures the quality and safety of the fuse, making it a reliable choice for various applications.

Technical Specifications

Fuses 166.7000.520.2 attributes and parameters. Explore more Fuses devices from Littelfuse

Electrical Specifications

Circuit Protection Type:

Rated Current:

Rated Breaking Capacity:

1 kA

Rated Voltage:

80 V

Pre Arcing Rating (A2/s):

475

Physical Dimensions

Body Diameter:

0.748 in (19 mm)

Body Height:

0.52 in (13.2 mm)

Body Width:

0.197 in (5 mm)

Dimensions:

0.748 x 0.197 x 0.52 in (19 x 5 x 13.2 mm)

Fuse Characteristics

Blow Characteristic:

Time Lag

Fuse Size/Group:

ATO

Fuse Class:

Supplemental

Design and Compliance

Reference Standard:

CSA; UL

JESD-609 Code:

e3

Mounting and Packing

Terminal Shape:

Terminal Finish:

Matte Tin

Trade Compliance

166.7000.520.2 Circuit Protection trade compliance attributes, and parameters.

ECCN

EAR99

ECCN Governance

EAR

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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