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Protect. Control. Sense.

Littelfuse is a name synonymous with circuit protection. Now they’re expanding their portfolio and expertise, bringing on a range of new power control solutions with applications in communications, mobile computing and beyond. Couple that with new sensor tech, and you’ll see how Littelfuse is set up to become your one-stop shop to PROTECT, CONTROL, and SENSE.

Featured Promotions

PROTECT with Littelfuse

Surges can happen anywhere, anytime. Littelfuse Surge Protection Modules keep your LED fixtures reliable for longer.
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CONTROL with Littelfuse

Take control of how you power your projects. The guaranteed gate control in Littelfuse Schottky Rectifiers puts the power in your hands.
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SENSE with Littelfuse

We're in the midst of a sensor revolution. From position and limit sensing to security and doors, Littelfuse has the proximity sensors you need.
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Littelfuse Polyswitch

Littelfuse leads in circuit protection

Articles and Videos

Product Roundup – Hall-Effect Sensors

Hall-effect sensors reduce cost and increase reliability compared to mechanical alternatives.

One year ago

Littelfuse Leading Innovative Circuit Protection

Littelfuse has over 80 years of experience providing innovative circuit protection solutions for the electronics industry.

One year ago

Littelfuse TVS Diodes and Arrays

Littelfuse offers the broadest range of TVS diodes and arrays in the market to help automotive electronic system designers protect their circuits from transient events.

One year ago

Over Voltage? Thyristors to the Rescue!

Over voltage can literally fry electronics and, while there are several protection devices that can be used, thyristors offer a powerful alternative to most.

9 months ago
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