Bourns, Inc.

Bourns, Inc. is an electronics manufacturer founded in 1947 by Marlan and Rosemary Bourns, with its headquarters in Riverside, California. Originally established as Bourns Laboratories in an Altadena garage, the company initially developed sensors for the aerospace industry before moving to Riverside in 1950. A major milestone occurred in 1952 with the invention of the Trimpot trimming potentiometer, leading the company to incorporate as Bourns, Inc. in 1959. Over its history, the company has expanded through internal innovation and strategic acquisitions, such as acquiring VRN's trimmer assets and Euphonics Industries. Business/Product Breakdown: Bourns, Inc. manufactures and supplies a diverse range of electronic components for the automotive, industrial, consumer, and medical sectors. Its core product portfolio includes circuit protection solutions like resettable fuses and surge suppressors, alongside resistive products such as precision potentiometers and trimming resistors. The company also produces magnetic components, including inductors and transformers, and advanced sensors for measuring pressure, speed, and position Additionally, its Specialty Engineering & Manufacturing Services (SEMS) division provides custom packaging, thick film production, and assembly services.