808 Series TE5
Fast Acting Subminiature Fuse

Protection from Overcurrent Conditions in High Voltage DC Applications

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SPFI In-Line Solar Fuse

Introducing an innovative new design for integration into an in-line
assembly within a wire harness. The SPFI provides photovoltaic (PV)
protection that meets UL 2579.

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LED Guide

LED Lighting Design Guide

Latest standards, products, diagrams & videos in an interactive e-book

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Best Places to Work 2013

We are pleased to announce...

For the second consecutive year Littelfuse has been named one of the 2013 Best Places to Work in Illinois.

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Introducing Industrial Shock-Block GFCI for Shock Protection

Industrial Shock-BlockTM GFCI for Shock Protection

The only UL listed Industrial GCFI for personnel and equipment protection

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TPSMA6L Series
600W TVS Diode

Robust Voltage Transient Protection for Automotive Applications

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Relays, Controls & Custom Products Technical Library

Find technical documents, white papers, manuals and more on our Startco line of relays and custom engineered products.

Click here to learn more
Archived Littelfuse Webcast

Listen to the Archived Q1 2013
Earnings Conference Call

Tuesday, April 30, 2013, 10 am CDT Windows Media Player Required

Q1 2013 Earnings Conference Call
Best Places to Work 2013

We are pleased to announce...

For the second consecutive year Littelfuse has been named one of the 2013 Best Places to Work in Illinois.

Read more

Accelerate Your Design with Littelfuse Speed2Design

"Rapid-response center" site provides design-related content that includes tutorials, selector guides, design kits, webcasts, sample circuits and FAQs.

Learn more about Speed2Design