SEI - Semiconductor Enclosures Inc

Established in 1960, Electronic Products Inc. (EPI) is a leading provider of custom and standard microelectronic packaging solutions. Based in Newburyport, MA, EPI operates from a 26,000 square foot ISO 9001:2015-certified facility, ensuring high-quality, turnkey products for a variety of industries. EPI's expertise lies in manufacturing hermetic packages using advanced High-Temperature Co-Fired Ceramic (HTCC) and glass-to-metal seal technologies.

EPI’s comprehensive product range includes hermetic packages for RF and microwave, optical/optoelectronic, power discrete, and TO packages. These products are designed to perform in harsh environments, serving sectors such as military, aerospace, industrial, oil and gas, and medical diagnostics. Our proprietary processes and materials, including aluminas, zirconia-toughened alumina, and aluminum nitride, provide unmatched reliability and performance.

In 2022, EPI joined forces with Douglas Electrical Components, enhancing our capabilities with epoxy-based hermetic feedthroughs and connectivity solutions. This partnership strengthens our commitment to innovation and customer satisfaction, positioning EPI as a trusted partner in advancing electronic technologies. Contact us today to discover how we can meet your microelectronic packaging needs.