Littelfuse products are vital components in virtually every market that uses electrical energy, from consumer electronics to automobiles, commercial vehicles and industrial equipment. Our history of innovation, proven technical expertise and the industry’s broadest and deepest portfolio of circuit protection products enable us to provide objective, comprehensive solutions for each customer’s unique needs. We are also expanding into adjacent markets that complement our core business including power distribution centers for mining operations, generator controls and protection for marine applications, heavy-duty switches for commercial vehicles and electromechanical sensors used in the automotive industry.

Littelfuse is the preferred brand for leading manufacturers around the world, with more than 30 sales, manufacturing and engineering facilities and a global network of distribution channels.

 

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Brochures

Littelfuse Capabilities Brochure                         Littelfuse Global Labs Capabilities Brochure

 

 

Automotive and Commercial Vehicle Products

International Automotive Aftermarket Catalog

For Europe, Middle East, Africa & Southeast Asia

 

Passenger Car Catalog

Circuit protection solutions for automotive applications

 

Electronics Products

Electronics Circuit Protection Product Selection Guide

A guide to selecting Littelfuse circuit protection components for electronic applications.

 

Electronics Fuse Product Catalog

Full range including surface mount, axial, glass or ceramic, thin-film or Nano2® style, fast-acting or SloBlo®, MINI® and ATO® fuses

 

Electronics Fuseology Selection Guide

A guide to selecting Littelfuse Fuse components for electronic applications

 

Electronics Fuseholder Product Selection Guide

A guide to selecting Littelfuse Fuseholder components for electronic applications

 

ESD Product Catalog

Protect against electrostatic discharge damage with Littelfuse ESD Suppression products

 

GDT Product Catalog

Littelfuse gas discharge tubes respond fast to transient overvoltage events, reducing the risk of equipment damage

 

PTC Product Catalog

Positive Temperature Coefficient devices (PTCs) provide resettable overcurrent protection for a wide range of applications

 

Sensors Product Catalog

Enhance the safety and reliability of your applications using advanced sensing technologies.

 

SIDACtor® Product Catalog

Protection thyristor products specifically designed to suppress overvoltage transients in telecom and datacom applications

 

TVS Diode Array SPA Diodes Product Catalog

TVS Diode Array products for ESD and lightning protection

 

Thyristor Product Catalog

Solid-state switches used to control the flow of electrical current

 

TVS Diode Product Catalog

Electronic components designed to protect sensitive electronics from high-voltage transients

 

Varistor Product Catalog

Front-line solutions for transient surge protection

 

 

POWR-GARD® Electrical Products

POWR-GARD® Fuse Products Catalog

Circuit protection products for industrial applications

 

Solar Products Catalog

Circuit protection products for photovoltaic applications

 

 

Protection Relay & Controls Products

Protection Relay & Controls Product Catalog

Protect electrical equipment used in marine, mining, petrochem and general industrial applications.

 

SymCom Catalog

 

SSAC Catalog