FCI is well known for its pin and socket type connectors. Product Trade names such as Dubox, PV and BergStik (for 2.54mm pitch), as well as Minitek (for 2.00mm pitch), Rib-Cage (1.27mm pitch harsh environment) and Minitek127 (1.27mm pitch) are well known in the electronics industry.

The versatility of these product families, as well as their ease of product selection and availability through distribution makes them a natural choice when it comes to design of mezzanine applications.