487 Series Fuse

Maintains system uptime by isolating power loss, high-voltage DC fuse protects PSUs with fast-acting performance

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Take a Video Tour!

Step inside our newly expanded facility in Saskatoon, Saskatchewan where Custom-Engineered Electrical  Equipment is manufactured.

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Watch the video
Commercial Packs

Commercial Packs:
Family Assortment of Fuses

The most popular fuses designed to meet the needs of professionals.

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Electronica 2014

NEW Electronics eCatalogs!

Latest standards, products, diagrams & videos in an interactive e-book.

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Medium Voltage Fuses are Stocked & Ready to Ship

For emergency fulfillment, think of Littelfuse First.

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SP3022 Series TVS Diode Array

Ultra Low-capacitance, bi-directional protection for high-speed data lines in compact flipchip or SOD882 package.


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Highlights of 2014

As 2014 comes to a close, we reflect back on highlights of the last year.


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Littelfuse Named One of America’s Best Small Companies

Strong and consistent sales and earnings growth combined with other financial metrics earns Littelfuse a spot on Forbes’ annual list.

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Littelfuse Acquires SymCom

Littelfuse Announces Acquisition of SymCom

Headquartered in Rapid City, South Dakota, SymCom provides overload relays and pump controllers primarily to the industrial market

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Looking for Hamlin Products?

Littelfuse acquired Hamlin in 2013 to grow
in the automotive, electronics and industrial markets.

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iDesign Tool

Littelfuse iDesignTM Online Fuse Design and Selection Tool

A robust web-based tool to help circuit designers identify the optimal electronic fuses for their products. Learn More

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