Sierra Circuits is a leading PCB manufacturer and assembly service provider based in Sunnyvale, California. Specializing in high-reliability, quick-turn PCB prototyping and production, Sierra Circuits operates a fully in-house facility, ensuring complete control over the manufacturing and assembly process. The company offers a range of advanced PCB solutions, including high-density interconnect (HDI), rigid, rigid-flex, flex, RF, microwave, and high-speed boards. In addition to manufacturing and assembly, Sierra Circuits offers expert design and engineering services, including DFM (Design for Manufacturability) and DFT (Design for Testability) analysis, impedance control and stack-up design, signal integrity and power integrity analysis, and other design and layout services. The company caters to industries requiring high-reliability solutions, such as aerospace and defense, medical, automotive, and industrial applications. With a commitment to quality, Sierra Circuits is ITAR-registered and certified to ISO 9001, AS9100, and ISO 13485 standards. All PCBs are fabricated and assembled in the USA, allowing for fast turnaround times, cutting-edge capabilities, and unmatched quality control. Sierra Circuits provides direct engineering support to optimize designs for manufacturing and performance. The company’s headquarters and manufacturing facility are located at 1108 West Evelyn Ave, Sunnyvale, CA 94086. For more information, visit www.protoexpress.com.

Fabrication,  Prototyping,