Welcome to Littelfuse
As the world’s #1 brand in circuit protection, Littelfuse offers the broadest and deepest circuit protection portfolio and a global network of technical experts backed by more than 80 years of application design experience.
Learn more about Littelfuse by downloading our corporate capabilities brochure. You can also download our lab services brochure to learn more about our application testing and lab services offering.
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Latest News
- Littelfuse TMOV34S® Varistor Becomes Industry’s Only Device Recognized to UL1449 up to 750VAC Continuous Operating Voltage
- Littelfuse Celebrates 85 Years of Innovation and Engineering Expertise
- Littelfuse Reports First Quarter Results
- Littelfuse Sponsors Weekend Race Promotion At Upcoming IndyCar Events
- more news





