Energy & PowerJul 16, 2026

Littelfuse

Company Profile Analysis

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Year Founded & Workforce

1926-12-31

10,700 Employees

Industry

Energy & Power

Services

Littelfuse Overview

Company Headquarters: Chicago, US

Founded: 1927

Workforce: ~ 10,700

Company Working: Littelfuse is one of the leading manufacturers, designers, and solution providers of circuit protection products, which are used in power control & sensor technologies, automotive, and industrial markets. It has an extensive product portfolio of fuses, polymers, ceramics, relays, semiconductors, and sensors. It operates through three major business segments, namely, automotive, electronics, and industrial. The company generates most of its revenue from electronics segments as it highlights broadsets of products includes fuses, fuse accessories, polymer electrostatic discharge, positive temperature cofficient resettable fuses, suppressors, varistors, semiconductor and power semiconductor product, such as discrete transient voltage suppressor, diodes arrays, SiC, metal-oxide semiconductor field-effect transistor (MOSFETs), SiC diodes and insulated-gate bipolar transistor (IGBT) technologies. Littelfuse has employees consisting of engineers and scientists for continual improvement of its existing product line and to introduce new products by research, design, and development.

The proposal for the research & development is mainly initiated primarily by the sales, marketing, material scientists, technicians, and other product management professionals, which includes contribution from the customers. Additionally, the company has a number of patents. The company is highly focused on improving the reliability, safety and performance of the products and systems that are used in any electrical systems. Currently, the company is highly involved in mergers and acquisitions to accelerate its growth, across the globe.

As a global player, the company has manufacturing facilities in North America, Europe, and Asia-Pacific.

Company Snapshot

$867.9M

Revenue

10,700

Employees

1926-12-31

Founded

Chicago, US

Headquarters

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About the Author

Wantstats Research Team

Wantstats' research desk profiles Littelfuse as part of our ongoing coverage of the Energy & Power sector, drawing on public company data, filings, and market intelligence.

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Senior Retail Manager, LG Chem

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Mark Irwin

Management Consultant, Level 21

I am very pleased with how market segments have been defined in a relevant way for my purposes (such as "Portable Freezers & refrigerators" and "last-mile"). In general the report is well structured. Thanks very much for your efforts.

Rob Kooiker

Group Product Manager HVAC & Fire Protection GMA, Rockwool

I have been reading the first document or the study, the Global HVAC and FP market report 2021 till 2026. Must say, good info! I have not gone in depth at all parts, but got a good indication of the data inside!

Jason Lee

R&D Director, Seojin

Thanks for your great support. Appreciate it. Well received report. It helps us to understand market well. We're planning other area of survey in the future, let's keep in touch.

Akif Moroglu

Strategy & Business Development Director, Dogan Holding

We got the report in time, we really thank you for your support in this process. I also thank to all of your team as they did a great job.

Noah Malgeri

Co-Founder, Mojave Rail Fabrication Limited

This is really good guys. Excellent work on a tight deadline. I will continue to use you going forward and recommend you to others. Nice job.

Michael Robert

Manager, JavolVision

Thanks, I am so happy that we worked together. Maybe we still can work together in the future.

Joseph Aguayo

Sales Operations & Pricing Manager, Intel

Thanks. It's been a pleasure working with you, please use me as reference with any other Intel employees.

Bong Lau

Sales Leader, Bamberg

We bought your "2025 report" in 2020. Everything is fine and very good.

Peter Groot Koerkamp

Account and Business Manager, EFS-Holland BV

Thanks for sending the report it gives us a good global view of the Betaïne market.

Younghwan Choi

Senior Retail Manager, LG Chem

We found the report very insightful! we found your research firm very helpful. I'm sending this email to secure our future business.

Mark Irwin

Management Consultant, Level 21

I am very pleased with how market segments have been defined in a relevant way for my purposes (such as "Portable Freezers & refrigerators" and "last-mile"). In general the report is well structured. Thanks very much for your efforts.

Rob Kooiker

Group Product Manager HVAC & Fire Protection GMA, Rockwool

I have been reading the first document or the study, the Global HVAC and FP market report 2021 till 2026. Must say, good info! I have not gone in depth at all parts, but got a good indication of the data inside!

Jason Lee

R&D Director, Seojin

Thanks for your great support. Appreciate it. Well received report. It helps us to understand market well. We're planning other area of survey in the future, let's keep in touch.

Akif Moroglu

Strategy & Business Development Director, Dogan Holding

We got the report in time, we really thank you for your support in this process. I also thank to all of your team as they did a great job.

Littelfuse

Company Headquarters: Chicago, US Founded: 1927 Workforce: ~ 10,700 Company Working: Littelfuse is one of the leading manufacturers, designers, and solution providers of circuit protection products, which are used in power control & sensor technologies, automotive, and industrial markets. It has an extensive product portfolio of fuses, polymers, ceramics, relays, semiconductors, and sensors. It operates through three major business segments, namely, automotive, electronics, and industrial. The company generates most of its revenue from electronics segments as it highlights broadsets of products includes fuses, fuse accessories, polymer electrostatic discharge, positive temperature cofficient resettable fuses, suppressors, varistors, semiconductor and power semiconductor product, such as discrete transient voltage suppressor, diodes arrays, SiC, metal-oxide semiconductor field-effect transistor (MOSFETs), SiC diodes and insulated-gate bipolar transistor (IGBT) technologies. Littelfuse has employees consisting of engineers and scientists for continual improvement of its existing product line and to introduce new products by research, design, and development. The proposal for the research & development is mainly initiated primarily by the sales, marketing, material scientists, technicians, and other product management professionals, which includes contribution from the customers. Additionally, the company has a number of patents. The company is highly focused on improving the reliability, safety and performance of the products and systems that are used in any electrical systems. Currently, the company is highly involved in mergers and acquisitions to accelerate its growth, across the globe. As a global player, the company has manufacturing facilities in North America, Europe, and Asia-Pacific.

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