Company Category: REACH/RoHS Compliance Services

Sierra Circuits has manufactured high-quality PCBs in Sunnyvale, CA since 1986, with all fabrication and assembly done in-house for speed, security, and full process control. We build rigid, flex, rigid-flex, HDI, microelectronics, and RF/microwave boards with controlled impedance and ITAR compliance. Our in-house model ensures first-pass success and faster turnarounds. We also support engineers with free design tools, guides, webinars, and SierraConnect—our community for learning and collaboration. | Sierra Circuits has been manufacturing high-quality printed circuit boards in Sunnyvale, CA since 1986, with all fabrication and assembly done in-house for full process control, security, and quick turnaround. We handle everything from standard to complex builds, including rigid, flex, rigid-flex, HDI, microelectronics, and RF/microwave PCBs with controlled impedance, while maintaining ITAR compliance for sensitive projects. Because everything happens under one roof, our customers trust us to deliver boards that work the first time, reducing costly redesigns and delays. Beyond manufacturing, we support engineers with free design tools like our Impedance Calculator and Stackup Designer, detailed design guides, webinars with industry experts, a blog covering practical design and manufacturing insights, and SierraConnect, our online community for engineers to learn and connect. At Sierra Circuits, we are here to help you design with confidence and build with precision so you can get your products to market faster.