Lab locations

Lab Locations and Capabilities

Globally trusted by engineers, we provide technical expertise for precise testing and analysis. Our circuit protection

Global Trust: Littelfuse's Expertise in Circuit Protection Testing

Littelfuse is a trusted partner to engineers worldwide who seek our technical expertise to accurately conduct and analyze test results. As part of our robust circuit protection testing, we simulate harsh environments and analyze sensing solutions to assure high performance, reliability, safety and regulatory compliance.

Our partnership-driven approach and technical expertise, which is required to accurately conduct and analyze test results, are the reasons engineers around the world trust us to help them with their circuit protection and design needs. Because we offer the industry's broadest and deepest portfolio of products, we are not biased toward a particular technology. We answer questions impartially to identify the right solution for each application.

Comprehensive Circuit Protection Testing Capabilities

Each Littelfuse lab is specially designed to comprehensively test our products, as well as our customers' products, to ensure their safety and reliability. 

Primary Testing

  • Overcurrent
  • Overvoltage
  • ESD
  • High-Speed
  • Datacom & Telecom
  • Thyristor-Specific
  • Temperature
  • Vibration
  • Humidity
  • Failure Analysis
  • Material Analysis
  • Application Performance
  • Regulatory Compliance
LocationTesting Capabilities

Champaign, Illinois, USA

High Power Lab

Mount Prospect, Illinois, USA

Semiconductors Lab, Materials Lab, Application Lab

Madison, Wisconsin, USA

Product Evaluation, Reliability and Application Lab

Matamoros, Mexico

Product Evaluation and Reliability Lab

Piedras Negras, Mexico

Materials Lab (mainly plastics), Product Evaluation, Reliability and Application Lab

Bremen, Germany

Product Evaluation, Reliability and Application Lab

Legnago (Verona), Italy

Product Evaluation, Reliability and Application Lab

Kaunas, Lithuania

Product Evaluation, Reliability and Application Lab

Dongguan, China

Product Evaluation, Reliability, Application Lab and UL-Certified Testing Facility

Shanghai, China

High Power Lab Materials Lab, Product Evaluation, Reliability and Application Lab,

primarily for PPTC, UL and TUV certified Testing Facility

Suzhou, China

Materials Lab, Product Evaluation, Reliability Lab

Wuxi, China

Semiconductor Lab, Materials Lab

Tsukuba, Inashiki, Tokyo and Yokohama, Japan;

Materials Lab, Product Evaluation, Reliability and Application Lab, UL-Certified

Testing Facility

Lipa City, Philippines

Materials Lab, Product Evaluation, Reliability and Application Lab

For more information about how our testing services can help you, please Contact Us.

Littelfuse Capabilities brochure

Littelfuse Capabilities Brochure

When you choose Littelfuse, you’re not just choosing a broad and deep product portfolio, unparalleled engineering expertise, and excellent customer service. Download the corporate capabilities brochure to learn more.