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Littelfuse, Inc.


Founded in 1927, Littelfuse is the world leader in circuit protection with growing global platforms in power control and sensing. The company serves customers in the electronics, automotive and industrial markets with technologies including fuses, semiconductors, polymers, ceramics, relays and sensors. Littelfuse has over 7,000 employees in more than 35 locations throughout the Americas, Europe and Asia.

For more information, please visit the Littelfuse website:

Product Catalog

Technical Articles

15 Questions to Ask About Circuit Protection for Wearable Electronics (Circuit Protection) Have you attended an electronics or design tradeshow lately? Have you visited a big-box retailer or browsed an online electronics vendor? (View Full Article)
AC Line Voltage Transients and Their Suppression (.pdf) (Surge Suppressors) The increasing usage of sensitive solid state devices in modern electrical systems, particularly computers, communications systems and military equipment, has given rise to concerns about system... (View Full Article)

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