Littelfuse Statement on COVID-19 - Last Updated: April 6, 2021.Learn More
Temperature Sensors

NTDs Thermistor and RTDs

Littelfuse offers a broad portfolio of negative temperature coefficient (NTC) thermistors, resistance temperature detectors (RTDs), as well as probes and assemblies, for your unique temperature sensing applications

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New ADR Battery Disconnect Switch

The ADR (Accord Dangereux Routier) Battery Disconnect Switch is a bistable/magnetic, current isolating switch

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LST Varistor

LST Series SPD Thermally Protected Varistor

Ideal for Type 1 and Type 2 SPD devices used in Residential, Commercial, and Industrial applications

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Reed Relays

New Reed Relays

Offer Reliable Switching of AC and DC Small Signal to High Voltage Loads.

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Hartland Controls

Littelfuse Acquires Hartland Controls

Hartland Controls is a manufacturer and leading supplier of electrical components used primarily in HVAC/R and other industrial applications

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1 Amp Fault Protected Solid State Relay

1 Amp Fault Protected Solid State Relay

Ideal for smart homes, building automation, instrumentation, and battery powered applications

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Earnings Conference Call

Wednesday, April 28, 2021
10:00 a.m. ET • 9:00 a.m. CT

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Find Your Solution

Discover our broad and deep portfolio of products, where you'll find the right solution for your application.

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Renewable Energy

Protection for Renewable Energy Systems

From battery energy storage to solar or wind power systems, Littelfuse understands the challenges of renewable energy circuit protection.

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New SCCR Video

Learn the steps for calculating and increasing the SCCR in your panel.

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