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Filter connector withstands thermal shock, vibration

Posted: 08 Mar 2006 ?? ?Print Version ?Bookmark and Share

Keywords:Cannon Chip on Flex? filter connector? ITT Industries? Electronics Components? Gina Roos?

Chip on Flex filter connector

ITT Industries, Electronics Components said its Cannon Chip on Flex (CoF) filter connector technology virtually eliminates all stress from thermal shock and vibration while protecting sensitive electronics in a lighter weight package.

The Cannon CoF filter connectors provide all the standard filtering capabilities such as individual isolated pin filtering of high-frequency noise, built-in ground plane barriers in the connector inserts and filtering at the face of system boxes.

In the MIL-DTL-38999 configurations, the CoF connectors have passed MIL-STD and MIL-DTL Series III testing for thermal shock, random vibration, humidity and high altitude. These filter connectors are suitable for high-reliability military, aerospace and industrial applications including integrated avionics, radio and navigation systems, fire control devices, electronic counter measures, satellite communications and data transmitters.

The Cannon CoF design replaces the internal and traditional ceramic planar array block capacitor with a flexible circuit where individual chip capacitors are surface mounted on a pad adjacent to the feed through contact. Since the feed through contacts are not soldered directly to the capacitor, thermal stress points that impact performance in thermal shock and vibration have been virtually eliminated, according to the company. In addition, because the flex is significantly lighter in weight, a connector weight reduction of up to 15 percent is achieved for the MIL-DTL-38999 configurations.

Another advantage of this CoF filter approach is that it allows the system designer greater flexibility in defining or changing individual circuit capacitance, as well as ground and EMP performance during the design/development phase, which eliminates the need to retool the ceramic planar array.

The average selling price per unit is $145. Delivery is ten weeks.

- Ismini Scouras

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