About Littelfuse

Littelfuse is a global manufacturer of leading technologies in circuit protection, power control, and sensing. Serving over 100,000 end customers, our products are found in automotive and commercial vehicles, industrial applications, data and telecommunications, medical devices, consumer electronics, and appliances. Our 11,000 worldwide associates partner with customers to design, manufacture, and deliver innovative, high-quality solutions for a safer, greener, and increasingly connected world. Headquartered in Chicago, Illinois, United States, Littelfuse was founded in 1927.

News & Events
Read our news releases and media coverage of our work, explore our awards and recognition list, and see what we're planning for upcoming events around the world.
History & Culture
  • History
  • Acquisitions
  • Company Culture

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.

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

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

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