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Littelfuse

Littelfuse products are vital components in virtually every market that uses electrical energy, from consumer electronics to automobiles, commercial vehicles and industrial equipment. Their history of innovation, proven technical expertise and the industry's broadest and deepest portfolio of circuit protection products enable us to provide objective, comprehensive solutions for each customer's unique needs.

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Protect. Control. Sense.

Littelfuse has expanded its range of product offerings to provide innovative circuit protection, power control and sensing solutions for your application.

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Research and Events View All

Littelfuse Extends Its Expertise into Sensing & Control, Builds On A Tradition Of Innovation In Circuit Protection

Expanding far beyond their initial base, Littelfuse now has broad-based expertise as a power control, sensing, distribution & protection products.

15 days ago

Surge Arresters Save the Day

Circuit Protection Insurance

3 months ago

When Lightning Strikes

How to protect your system when lightning strikes.

4 months ago

Protect, Control, and Sense with Littelfuse

Learn More about Littelfuse Protect-Control-Sense products

4 months ago

Robotic Vacuum Cleaner Drives Home Automation Applications

It is said that “demand is the mother of invention” and “demand” comes from people’s “idleness”. The robotic vacuum cleaner is a product developed to satisfy people’s idleness. Although this kind of product has been in the market for a while, its functions keep increasing. Its vacuum cleaning ability has been promoted, its operation time expanded and intelligent functions added. The market is growing continuously, attracting more and more manufacturers to engage in the development of related products.

5 months ago

Over Voltage? Thyristors to the Rescue!

Over voltage can literally fry electronics and, while there are several protection devices that can be used, thyristors offer a powerful alternative to most.

9 months ago

Littelfuse Silicon Enhanced ESD Diode Array (SESD)

In 2013 the USB Implementers Forum released two new interfaces: USB 3.1 and USB Type-C. Together they offer many advantages over earlier USB interfaces, but those advantages will require careful design to actualize. Specifically, products enabling USB 3.1 Type-C must take special care to provide ESD protection on the various high speed and high power lines incorporated in these new interfaces.

10 months ago

Littelfuse iDesign - Circuit Protection

Selecting the most appropriate circuit protection solution can sometimes prove time-consuming and expensive, a system of trial-and-error, with the emphasis on error that is to say, time-consuming to do properly, and potentially expensive if you don't. Fundamentally, there are a significant number of choices out there, and with thousands of protection options to begin with, it is difficult to begin with all the possible solutions, much less narrow down to the best choice through trial-and-error.

One year ago
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