Profile Home


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

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)
An Overview of Electromagnetic and Lightning Induced Voltage Transients (.pdf) (Electrical Distribution and Protection) This Note is an overview of the sources and nature of various transient overvoltages, and the problems that may result. Transients in electrical circuits result from the sudden release of previously... (View Full Article)

Featured Video