Publication date: 30 June 2009
The CoF filter design, with one standard flex per layout, utilises a flexible circuit internal to the connector where chip capacitors are surface mounted on a very small pad adjacent to the feed-thru contact.
This flex circuit design provides the necessary platform for surface mount TVS devices for lightning strike protection. Off the shelf devices for both filtering and surge protection can be mounted using an automated manufacturing process.
The result is a very cost effective, reliable, light weight and compact design, benefiting from the robustness and thermal as well as mechanical performance associated with ITT Interconnect Solutions’ Chip-on-Flex products.
CoF filters offer customisable, individual circuit values by adding or removing the chip capacitor and TVS devices. A wide range of capacitance and TVs values is available. Tested to Mil-DTL-38999 Series III standards for mechanical shock, vibration, and high altitude DWV, CoF components exceed 1000 cycles of thermal shock as per Mil-Std-1344. The devices feature contact counts from 1 up to 600 and benefit from multiple configurations, including rack & panel, circular and D-Sub.
ITT Interconnect Solutions offers its customers complete design and design change services for its CoF devices. The components are available at very short lead times of ten weeks (reduced from 16 weeks).
Further details are available in an application note freely downloadable from http://www.ittcannon.com
ITT Interconnect Solutions is an international manufacturer and supplier of connectors including circular, rectangular, fiber optic, RF, power and high voltage, audio, PCMCIA, Compact Flash Card, enclosures, cable assemblies, and application specific custom solutions. The Interconnect Solutions portfolio includes the brands Cannon, VEAM, and BIW. For more information on ITT Interconnect Solutions and an archive of its press releases, please visit http://www.ittcannon.com
ITT Corporation is a high-technology engineering and manufacturing company operating on all seven continents in three vital markets: water and fluids management, global defense and security, and motion and flow control. With a heritage of innovation, ITT partners with its customers to deliver extraordinary solutions that create more livable environments, provide protection and safety and connect our world. Headquartered in White Plains, N.Y., the company generated 2008 sales of $11.7 billion.
