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PolySwitch zeptoSMDC Series PPTC

Smallest PPTCs protect portable devices from overcurrent, overtemperature conditions

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Reducing the Cost of Solar

with In-Line Fuses

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PSX Series of High-Speed Fuses

The smallest NH XL package size on the market. Extremely fast-acting performance, up to 1500 V dc. Available in flush-end, DIN-mount, and bolted-blade styles

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105ºC Rated, 800V Solid State Relay

Ideal for challenging high-temperature applications including industrial, medical, and solar

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Circuit Protection Products Selection Guide

Designed to help you quickly find a protection solution appropriate to your application

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IX4351NE Evaluation Board

Contains all the necessary circuitry to demonstrate how the IX4351NE SiC MOSFET gate driver IC solves issues

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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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Innovating Since 1927

Explore the history of Littelfuse from choosing our name to manufacturing leading technologies that protect, control, and sense.

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Surge Protection Devices for Photovoltaic Equipment

Littelfuse has developed an SPD guide to help you determine the right specifications and setup to protect your PV installation.

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