About Littelfuse


About Littelfuse

As the world leader in circuit protection, Littelfuse offers the industry's most extensive product portfolio and a staff of technology experts who are dedicated to helping you find the right answer to your design or manufacturing challenge

Littelfuse offers an extensive circuit protection product line. We design foward-thinking, apllication-specific solutions to provide assurance that your most demanding requirements will be met. Our goal is to provide the most complete range of options so that you will not have to make compromises.

Find the answers you need fast, plus comprehensive information on our products, services, parts and distributor network.

Product Listing

Automation & Process Control

Circuit Protection


Passive Components

Power & Line Protection

Semiconductors - Discretes

Sensors & Transducers

Switches & Relays

Tools & Production Supplies


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New Products

Circuit Protection

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