• Products
  • Services
  • Contact Us
  • Technical Resources
  • Competitor Cross Reference
  • Check Distributor Stock
  • Order Sample
Littelfuse Mobile

White Paper: HWB Series

The HWB Series from Littelfuse offers multi-circuit vehicle power distribution in a rugged, sealed, compact unit. This white paper will provide background on why, and how, to choose the correct assembly.

Download the White Paper

Protect Your Critical Power Electronics

POWR-SPEED® line of high-speed (semiconductor) fuses now expanded

Learn More

Littelfuse University

Sign up to access our award-winning courses to keep your skills current.

Take me there!

setP™ Temperature Indicator

Compact, fully compliant drop-in solution for USB Type-C connectors and USB Power Delivery cable

Learn More

SP4031 Hybrid Protection Module

Protects sensitive PHY chips from damage due to ESD and lightning-induced surge events

Learn More
  • Products
  • Services
  • Contact Us
  • Technical Resources
  • Competitor Cross Reference

    • Need the Littelfuse equivalent to a competitor part? Enter the competitor part number here.

  • Check Distributor Stock

    • Check distributor stock levels by entering in full or partial part numbers

  • Order Sample

    • Search for the part(s) number you wish to receive samples. Or, visit the sample center page.

Littelfuse: Everywhere, Every Day

From home to work and all points in between, Littelfuse products are everywhere.

Watch the video

Don’t miss these Littelfuse events!

Find out where and when the most important events in the industry will take place.

See All Events

A Powerful Combination

Our broad and deep power semiconductor product portfolio has a new name.

Learn More

Charged EV Article

Extend the life and improve the performance of your EV Charging equipment. Read our Charged EV article to learn how.

Read the Article
  • Full Site
  • About Littelfuse
  • Careers
  • Investor Relations
This website stores cookies on your computer.

These cookies are used to collect information about how you interact with our website and allow us to remember you. We use this information to improve and customize your browsing experience and for analytics and metrics about our visitors on this website and other media. To find out more about the cookies we use, see our Privacy Policy.

If you decline, your information won't be tracked when you visit this website. A single cookie will be used in your browser to remember your preference not to be tracked.