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.

At-A-Glance
  • +11K
    Employees
  • +100K
    End Customers
  • +50
    Global Locations
  • 15
    Global Labs
  • $1.72 B
    2018 Annual Sales
  • LFUS
    NASDAQ
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

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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