Supplier Quality Documents

Littelfuse commits to exceptional customer value through our relentless pursuit of zero defects and operational excellence in everything we do. In support of this commitment Littelfuse will:

Engage with our customers to deliver best-in-class service and support.

Leverage our applications expertise to understand our Customers’ needs and emerging opportunities.

Deliver technology and products that provide innovative and reliable solutions to the market.

Empower our people to create a data-driven and socially responsible culture that they are proud to be part of.

Celebrate our individual and team successes.

ISO Certifications

Littelfuse was the very first U.S. fuse manufacturer to attain ISO 9001 certification. This certification pertains to quality management systems at our Des Plaines, Illinois headquarters location. ISO 9002 certification was awarded to the electrical power fuse manufacturing facility in Arcola, Illinois, in 1992. Our electronic fuse manufacturing facility in Centralia, Illinois earned its ISO 9002 certification in 1993. In addition to these domestic certifications, Littelfuse has been awarded ISO certifications for its facilities in England and Switzerland in 1988 and 1990, respectively.

Littelfuse was also one of the first circuit protection manufacturers to meet the requirements of TS 16949. The standard ISO/TS 16949 is supported and recognized by the major European and American automobile manufactures: BMW, Daimler Chrysler, FIAT, Ford, General Motors, Peugeot - Citroen, Renault and Volkswagen. This international standard promotes the adoption of a process approach when developing, implementing and improving the effectiveness of a quality management system, to enhance customer satisfaction by meeting customer requirements.



Supplier Quality Manual - English



Supplier Quality Manual - Chinese



Littelfuse Conflict Free Statement



Supplier Environmental, Health and Safety (EHS) Specification



Supplier On-Site Risk Assessment



Supplier Self-Survey Form



Littelfuse Supplier PPAP Manual Rev C



Supplier PPAP Format



Quality Management Plan Form Rev A



Supplier Product Process Change Notice Form Rev B



Supplier caWeb 4 Instructions Rev C



Critical Risk Suppliers Escalation and Improvement Process Rev B



Littelfuse Barcode Standards



Supplier Quality Manual Acceptance From