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Electronics packaging company Schroff has introduced the CCK series of coding keys, manufactured by Birtcher, which ensure PCBs are inserted into the correct slots and also help to remove excess heat from the boards.

While a conventional system can accommodate keying between the front panel and the card guide, the mating halves of the CCK coding keys are attached to the rear edge of the board and the backplane of the system.

The devices are fully compliant with the VITA 1.6 standard, which defines a keying system for VME64x boards and backplanes in an IEEE 1101.2 conduction-cooled environment.

In addition, they can be used in IEEE 1101.10 non-conduction-cooled applications where there is no front panel.

Key features

  • Compliant with VITA 1.6 standard
  • Available in six different configurations
  • Gold or clear chemical film finish
  • Metric or imperial threads available
  • Supplied individually or in kits containing two mating pairs, with mounting screws and washers included

For over four decades Schroff has been a world leader in the development and manufacture of electronics packaging components and systems.


The company offers a comprehensive range of enclosure solutions, including cabinets, subracks, cases, backplanes and power supplies, as well as complete systems for standard bus architectures such as VME, cPCI, AdvancedTCA and MicroTCA.


These products are based on the know-how of specialists in the integration of mechanical, electronic and thermal management systems, together with many years’ experience of the most diverse applications in all kinds of environments. Schroff technical personnel are also heavily involved in the development of international standards for electronics packaging systems, with representatives on numerous working groups of institutions such as the IEC, CENELEC, IEEE, BSI, VDE and DIN.


To complement its wide range of products, the company has established a co-ordinated service strategy designed to ensure that customers enjoy comprehensive support throughout the life of the product.Grouped together under the banner ‘ServicePLUS’, Schroff’s product support services are now arranged in eight modules comprising configuration, assembly, modification, solution, express, support, academy and lifecycle.


The Schroff website, provides full technical information on all of the company’s products, including detailed descriptions, technical data, user manuals, test reports and downloadable CAD drawings

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