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D-sub connectors tolerate harsh conditions

Posted: 08 Nov 2005 ?? ?Print Version ?Bookmark and Share

Keywords:itt electronic components? cannon grommet d? d-sub connector?

New Cannon Grommet D

ITT Electronic Components offers a new Cannon Grommet D range of D-subminiature connectors that are designed to withstand extreme environmental conditions.

The high-density rectangular connector system, Cannon Grommet D, is said to feature superior sealing thanks to silicone rear grommets and interfacial sealing, which enable the D-sub line to operate even when immersed in water or corrosive liquids. A unique fluorosilicone grommet seals all the wire leads entering the rear of the connector while the interfacial seal ensures there is no possibility of leakage between the mated plug and receptacle. Optional stainless steel shells are available for resistance against corrosion.

Available in standard densities of 9 to 50 pins, and high-density versions that offer 15 to 78 pins, the Cannon Grommet D-sub connectors are built to withstand high voltages, with average flashover ratings of 1,000V (from sea level to 20,000 feet) and 500V (50,000 to 70,000 feet). The contacts have a maximum current-carrying capability of 5A. The operating temperature range is -65C to 150C.

To ensure robust reliability, the Cannon Grommet D uses high-quality, machined copper alloy contacts with heavy gold plating. Contact retention is rated at 40N minimum after 10 insertions. These connectors may be used in a variety of applications including aviation, marine, chemical/petrochemical processing, medical devices, food processing, automotive and heavy industrial equipment. RoHS-compliant versions are available.

For PC-board applications, these D-sub connectors are available with pre-loaded, non-removable contacts for board termination. In this case, sealing is accomplished by applying epoxy to each contact cavity and to the shell.

Prices range from $12 to $48 depending on volume and part size.

- Gina Roos

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