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Littelfuse – Why Work For Us?

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Littelfuse products are vital components in virtually every market that uses electrical energy, from consumer electronics to automobiles, commercial vehicles and industrial equipment. Our history of innovation, proven technical expertise and the industry’s broadest and deepest portfolio of circuit protection products enable us to provide objective, comprehensive solutions for each customer’s unique needs. We are also expanding into adjacent markets that complement our core business including power distribution centers for mining operations, generator controls and protection for marine applications, heavy-duty switches for commercial vehicles and electromechanical sensors used in the automotive industry.
Littelfuse is the preferred brand for leading manufacturers around the world, with more than 30 sales, manufacturing and engineering facilities and a global network of distribution channels.


85 Years of Innovation and Engineering Expertise

Since Edward V. Sundt founded Littelfuse in 1927, we've been driven by innovation. Sundt invented the first small, fast-acting protective fuse to prevent sensitive test meters from burning out. From that pioneering first step, our company has gone on to define the standards of the circuit protection industry.

In the 1960s, we developed sub-miniature fuses for NASA, which were mission-critical components of the American space program. And in 1976, we introduced the groundbreaking Autofuse® Fast-Acting Fuse for General Motors. Within eight years, it was being designed into vehicles all over the world.

We again revolutionized automotive fuse protection in 1986 with the debut of the space-saving MINI®. Its smaller design allowed for the additional protection of on-board electronic accessories. Recently, we introduced the world's smallest high surge current protection thyristor, the Teccor® Q2L series "C-Rated" SIDACtor® device.

And we continue to set new benchmarks. As the world leader in circuit protection, Littelfuse possesses nine core technologies, as well as some of the industry's most respected brands - Teccor®, Wickmann and Pudenz. In addition, we're doing business all over the world.

Every day, we're building on our success by making strategic acquisitions, strengthening our customer relationships, and capitalizing on the explosive growth of the Asian market. In all of these efforts, our new brand will play an essential role.


Careers at Littelfuse

Littelfuse began as a fuse manufacturer in 1927 with a singular focus on developing and manufacturing devices that protect electronics. Throughout our history we have delivered inspired solutions to companies all over the world. In fact, in 1964 the Gemini "Man in Space" Program honored us with the Gemini II launch vehicle team flag award for being a critical parts supplier of a life-saving component - our MICRO fuse.

Today we are the global leader in circuit protection - delivering the right answers through a powerhouse of applied expertise, strong relationships and the most extensive product portfolio in the industry and offices in over 28 countries. Our continuing commitment is to work with design engineers to improve the safety, reliability and performance of thousands of products- many that you use every day.

Industry expertise, innovation and strong customer relationships are the qualities that have helped us grow to become a $534.6 million company with offices in over 28 countries and the #1 circuit protection brand in the world. As a result, we are always looking for people with specific qualities to uphold our reputation of global leadership. If you are committed, attentive, responsive, candid, driven and passionate, we welcome you to join us as we continue to raise the standard of how the circuit protection industry defines the leader.

Always Looking for the Best and the Brightest

When you work for Littelfuse, you work for a global leader in circuit protection comprised of a team of experts all sharing one common goal - to provide the right answers. We achieve that by hiring only the most talented people - people who bring a passionate drive and a unique expertise to the table. At Littelfuse you're not just a number - you are an individual - with the power to make a difference in an exciting and challenging industry.

We Believe in the Power of Diversity

With gifted individuals we build diverse teams - diverse in culture, scope and specialty. Our teams are responsible for working alongside some of the largest OEMs, CEMs and ODMs in the world - applying expertise by developing, designing, testing, manufacturing or selling - circuit protection solutions across numerous industries.

We Support Your Development

As a Littelfuse employee you get many opportunities to shine. We continually encourage you to develop yourself professionally and to expand your knowledge through cross-functional collaboration and training experiences.

Have You Got What It Takes?

Are you someone who can join us in taking the company to the next level? Are you excited about being part of a visionary future? Take a look at the job opportunities waiting for you at Littelfuse.

Littelfuse Reviews

50 Reviews
50 Reviews
Rating Trends

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Littelfuse Chairman, President, and CEO Gordon B. Hunter
Gordon B. Hunter
36 Ratings

    Global company - yet entrepreneurial in spirit.

    • Comp & Benefits
    • Work/Life Balance
    • Senior Management
    • Culture & Values
    • Career Opportunities
    Current Employee - Market Development Engineer in Chicago, IL
    Current Employee - Market Development Engineer in Chicago, IL

    I have been working at Littelfuse


    There is a large degree of freedom with respect to growing our business. I am able to analyze the market, our products, and potential customers and make decisions on how to proceed. Management is very supportive of this approach. Flexibility is the key to growing the business despite the large size of the company. Ethics is very important to the company and is support from the top down.


    The nature of the markets that we serve dictates that we have to be very cost competitive. This can limit the amounts and types of development that we pursue. It also ensures that the organization is tight from a resource standpoint.

    Advice to ManagementAdvice

    Continue investing in R&D and customer-facing personnel. Littelfuse can only grow if it is driven by her employees. They create great products and drive the sales process.

    Positive Outlook
    Approves of CEO

Littelfuse Interviews

Updated Feb 8, 2015
Updated Feb 8, 2015

Interview Experience

Interview Experience


Getting an Interview

Getting an Interview


Interview Difficulty


Interview Difficulty




    Anonymous Interview

    Anonymous Employee in Chicago, IL
    Anonymous Employee in Chicago, IL
    Application Details

    I applied online. The process took 6 weeksinterviewed at Littelfuse in January 2015.

    Interview Details

    Contacted by H.R. to set up phone call with Hiring Manager about five weeks after submitting application and resume. Spoke with Hiring Manager the same day for approximately 30 mins. and she requested work samples. I e-mailed work samples and the following week was asked for my availability for an on site interview. On site interview was one hour each with hiring manager, co-worker/team member and h.r. rep. After on site interview I was asked to submit five references and take a personality assessment and an intelligence assessment. Didn't hear back from h.r. for two more weeks, then was asked to come back for second on site interview. Second onsite interview was one hour each with hiring manager, manager of another department, department head. I was scheduled for a fourth hour but the other person was out of the office that day and I was told that I may be doing a phone interview with him. The following week I received a generic e-mail thanking me for submitting my resume but that they were "pursuing other candidates".

    Interview Questions
    • Why do you want to work here? Why do you want this job? How do you make decisions? Why do you want this job when you had another job? What was your last review like? What would your boss say about your work performance? What are your career goals? Where do you see yourself in five years?   Answer Question
    No Offer
    Negative Experience
    Difficult Interview

Littelfuse Awards & Accolades

Something missing? Add an award
Best Places to Work in Illinois (Large), The Daily Herald Business Ledger, 2013
Best Places to Work in Illinois, Best Companies Group, 2014
Product of the Year, Silver Award, Plant Engineering, 2013
America's 200 Best Small Companies, Forbes, 2008
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Additional Info

Headquarters Chicago, IL
Size 5000+ Employees
Founded 1927
Type Company - Public (LFUS)
Industry Manufacturing
Revenue $500 million to $1 billion (USD) per year

Littelfuse products are vital components in virtually every market that uses electrical energy, from consumer electronics to automobiles, commercial vehicles and industrial equipment.

Our history of innovation, proven technical expertise and the industry’s broadest and deepest portfolio of circuit protection products enable us to provide objective, comprehensive solutions... More

Mission: Leverage our global leadership position in circuit protection to double our business by 2017 and become a leader in power control and sensing.

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