Littelfuse (NASDAQ:LFUS) (NASDAQ: LFUS) is a global manufacturer of circuit protection, power control, and sensing solutions. Founded in 1927 and headquartered in Chicago, Illinois, the company began by producing automotive fuses and has grown into a diversified technology provider. Littelfuse’s products are designed to safeguard electrical and electronic systems against overcurrent, overvoltage and overheating, ensuring reliability across a wide range of industries.
The company’s product portfolio includes semiconductor-based circuit protection devices, polymer positive temperature coefficient (PPTC) resettable fuses, gas discharge tubes, transient voltage suppression diodes, and precision sensors. Littelfuse serves customers in automotive, industrial, telecommunications, consumer electronics, data centers and renewable energy markets. With manufacturing facilities and regional sales offices in North America, Europe and Asia, the company delivers both standard components and custom-engineered solutions tailored to specific application requirements.
Over its history, Littelfuse has expanded through strategic acquisitions and continuous investment in research and development. The company has integrated complementary technologies to enhance its offerings in electric vehicle charging, industrial automation, charging infrastructure and other high-growth segments. Robust internal R&D centers enable Littelfuse to introduce advanced materials, miniaturized packaging and smart sensing capabilities that address evolving industry standards and customer demands.
Littelfuse is led by a seasoned management team focused on innovation, operational excellence and sustainability. The leadership emphasizes collaboration with original equipment manufacturers, design engineers and distributors to accelerate time-to-market for new products. Looking ahead, the company aims to leverage its global footprint and technical expertise to capitalize on the growing need for reliable circuit protection and power management across electrified and digitalized applications.
