New Temperature Sensor Products Now Available

Littelfuse expands its portfolio of sensors for the electronics market.

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Protect Critical Water/Wastewater Operations

Learn how to upgrade and protect these critical infrastructures

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90 Years of Innovation and Engineering Expertise

Learn about our history of innovation and view a timeline of Littelfuse milestones.

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Protect Critical Power Electronics

New Extreme Current Limiting POWR-SPEED line of High-Speed Fuses

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State of the SiC MOSFET

Device evolution, technology merit, and commercial prospects

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Video: Heavy Duty Battery Switches

500 amp, sealed, IP-rated, dual-pole battery switch disconnects all vehicle electrical power in applications with two circuits, or both positive and negative isolation.

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SP2555NUTG Series TVS Diode Array

Protects against ESD, CDE, EFT and lightning induced surges

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LoRho Series SMD PPTC Device

Protects charging cables and connectors from heat generated due to faults

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Earnings Conference Call

Wednesday, August 2, 2017
10:00 a.m. CST • 11:00 a.m. EST

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Don’t miss these Littelfuse events!

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

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Littelfuse acquires U.S. Sensor

Acquired thermistors and probe assemblies used in the most demanding temperature sensing applications.

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Keep Your Distance and Stay Safe!

The new MP8000 Bluetooth® Enabled Overload Relay can be monitored from your smart phone

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