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About Littelfuse

Littelfuse is an industrial technology manufacturing company empowering a sustainable, connected, and safer world. Across more than 15 countries, and with 12,000 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. Learn more at

Our History

When, in 1927, Edward V. Sundt invented the first small, fast-acting protective fuse to prevent sensitive test meters from burning out, our history of innovation began.


Strategic mergers and acquisitions complement accelerated organic growth as part of our corporate strategy to expand into new markets and technologies worldwide.

Company Culture

Our Core Values form the foundation for our culture. They drive our commitment to continuous improvement, new ideas, volunteerism, and diversity.

Awards & Recognition

Littelfuse has been recognized for excellence in innovation, product design and as one of the best places to work. Learn more at