Now Everyone Can Be Protected

NEW AF0100 Arc-Flash Relay delivers leading arc-flash technology everyone can afford.

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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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AF0500 New Littelfuse Arc-Flash Protection Relay
Learn how to mitigate the potentially disastrous impact of arc-flash  Our whitepaper will walk you through reaction time, trip reliability, sensor  design, scalability, and more.  Click here to get the whitepaper  <http://info.littelfuse.com/littelfuse-arc-flash-protection-relay-white-paper>
Learn how to choose the right circuit protection for your LEDs.  Our article, Choosing the Right Circuit Protection for LEDs, outlines  instances when certain requirements and technologies should be considered to  ensure the continuous reliability of the LED lighting installation.  Click here to get the article  <http://info.littelfuse.com/choosing-the-right-circuit-protection-for-leds-article>

Protect Critical Water/Wastewater Operations

Learn how to upgrade and protect these critical infrastructures

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SH Series Gas Discharge Tubes

Guards high bandwidth interfaces from fast-rising transients

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Q1 2017 Earnings Conference Call

Q1 2017 Earnings Conference Call

Wednesday, May 3, 2017
10:00 a.m. CST • 11:00 a.m. EST

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Product information for PolySwitch®, PolyZen®, 2Pro®, battery mini-breakers and more.

Detailed product specifications, agency approvals, application notes and other technical resources.

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New Semiconductor Product
Information Available

Acquired semiconductor product lines are now fully integrated with Littelfuse.com: Thyristors, TVS Diodes, Ignition IGBTs.

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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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