Littelfuse logo

Littelfuse Inc is an American manufacturer of circuit protection products, with growing platforms in power control and sensing.It was founded in 1927 in Chicago by Edward Sundt went public in 1962. It has since acquired a few subsidiaries within its brand. Headquartered in Chicago, Illinois, the company has sales, distribution, manufacturing and engineering facilities in the Americas, Europe and Asia.

Littelfuse product portfolio consists of fuses and protectors, electronic switches including heavy duty, suppressors, battery management devices, gas discharge tubes, solenoids, and protective relays.

Littelfuse Inc. has been very successful at product development and expanding into adjacent markets as part of their corporate strategy of accelerated organic growth and strategic acquisitions. Their products are now used in key industries from consumer electronics to vehicles and industrial facilities.

Browse products by Littelfuse

Search, compare and buy electronic parts by Littelfuse on oemsecrets. Browse parts by product category to find the best prices from distributors.

Automation & Process Control

Cable Leads & Connectors

Chemicals & Adhesives

Circuit Protection


Cooling & Thermal Management

Development Boards, Evaluation Tools

Electrical & Lighting


Electronic & Electrical Components

Enclosures, Racks & Cabinets

Fasteners & Mechanical

Lighting Products

Office, Computer & Networking Products

Optoelectronics & Displays

Passive Components

Power & Line Protection

Semiconductors - Discretes

Semiconductors - ICs

Sensors & Transducers

Switches & Relays

Test & Measurement

Tools & Production Supplies


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