Littelfuse

Manufacturer of circuit protection, power control, and sensing technology solutions

placeChicago, Illinois, United States calendar_todayFounded 1927 groups18,000 employees language littelfuse.com

Web presence

Audience by country — top 5 markets by share of visits.

CountryShare
United States38.3%
Russian Federation4.8%
India4.8%
Australia4.7%
China3.6%

Innovation

478 patent families (373 granted) — focus: Electricity & electronics, Physics & computing, Operations & transport, Chemistry & metallurgy; filing pace steady. Cited 20,156 times.

YearFilings
201551
201649
201769
201883
2019120
202097
202172
202280
202383
202477
202586
202624

Social engagement

Social engagement: 155.3K social following, 1 post in the last 12 months — below the industry typical range.

Share of voice

Share of voice in United States: 91.6% of web traffic across its competitive set; worldwide: 57.5%.

Hiring activity

Hires frequently

44 roles tracked across 9 of the last 12 months

31 Jul 2026 · Line Technician · Philippines

3 Jun 2026 · Key Account Manager · Simi Valley

14 May 2026 · Aerospace, Defense, Space (ADS) Key Account Manager · Simi Valley

14 May 2026 · Product Marketing Manager Infrastructure Oil Gas and Mining · Chicago

1 May 2026 · Corporate Communications Intern · Chicago

Based on job postings tracked across public sources.

Recent activity

1 Jul 2026
Event
NFPA Conference & Expo
Coming soon