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Littelfuse

Founded in 1927, Littelfuse has a strong history of innovation, proven technical expertise and the industry's broadest and deepest portfolio of circuit protection products. As a leader in circuit protection solutions, Littelfuse's products are vital components in virtually every market that uses electrical energy especially in the electronics, automotive and electrical industries. Littelfuse is able to provide objective, comprehensive solutions for each customer's unique needs even beyond circuit protection with their recent expansion of their portfolio and expertise, bringing on a range of new power control solutions with applications in communications, mobile computing and beyond.

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Littelfuse logo in color with transparent background

Industries & solutions

Connectivity and ADAS drive innovation and development in automotive applications
Connectivity and ADAS drive innovation and development in automotive applications

Discover how connectivity and ADAS are revolutionizing the automotive industry, enhancing safety and convenience for a new era of mobility with Littelfuse solutions.

A row of modern electric vehicle charging stations is arranged in an outdoor parking lot under a clear blue sky.
Littelfuse ISXA40 and IXSA80 Industrial-Grade SiC MOSFETs

In this article from Littelfuse, learn all about the new IXSA40 and IXSA80 industrial-grade, single-switch SiC MOSFETs.

Industrial packaging machine
New Littelfuse solid-state relays with enhanced reliability and longer lifespan

Littelfuse unveils new solid-state relays, offering durability, easy installation, and versatile protection for a range of industries.

A close-up view of lithium-ion battery packs arranged on an automated assembly line in a factory setting. The batteries feature a metallic casing with visible cylindrical cells and orange connectors.
Littelfuse enhances protection and control for lithium batteries

Littelfuse offers solutions for safety and aging concerns in lithium battery applications.

Car body with batteries
TTape™ platform: an advanced overtemperature detection solution for EV and energy storage system Li-ion battery packs

TTape™ by Littelfuse offers innovative overtemperature detection for Li-ion batteries, improving safety and extending battery life.

electric vehicle battery
Littelfuse unveils SM10 Series Varistor

Explore the innovative SM10 Series Varistor by Littelfuse, designed to elevate surge protection standards in automotive and electronic applications.

A Littelfuse electric vehicle charger is prominently displayed in the foreground, featuring a sleek design and visible charging cables. The background showcases large yellow construction vehicles parked outdoors under a clear sky. The Littelfuse logo is clearly visible in the top-right corner of the image.
Selecting high voltage DC contactor relays

Learn how to prevent high voltage DC relay issues and enable high performance EV design in this article by Littelfuse.

A white electric vehicle is shown plugged into a charging station in an indoor facility. The focus is on the charging cable connected to the car's rear, with the charging unit and display visible in the background.
Ground fault current detection for EV charging with the new Residual Current Monitor product line from Littelfuse

Littelfuse presents product line for EV chargers, detecting AC and DC ground faults while adhering to global safety standards for enhanced electrical safety.

A sleek smart refrigerator with illuminated compartments and digital interface displayed in a contemporary kitchen
Littelfuse launches a range of ultra-miniature magnetic sensors ideal for appliances, home and building automation, and industrial applications

Littelfuse offers innovative magnetic sensing solutions, including Reed Switches and Hall Effect Sensors. Explore our extensive product range for your needs.