Keywords
Citation
(2005), "Lightweight EMC backshells", Aircraft Engineering and Aerospace Technology, Vol. 77 No. 2. https://doi.org/10.1108/aeat.2005.12777bad.007
Publisher
:Emerald Group Publishing Limited
Copyright © 2005, Emerald Group Publishing Limited
Lightweight EMC backshells
Lightweight EMC backshells
Keywords: Military aircraft, Corrosion resistance
Interconnection expert Icore International Ltd is introducing the Termilock range of connector backshells, claiming 360° EMI shielding and superior corrosion resistance. Coupling nut breakage is said to be eliminated in these new designs, which are as light as composite backshells, but reportedly 40 per cent stronger.
At 1.13 in. long, Termilock is one of the shortest backshells in the industry. Its lightweight construction and small space envelope are particularly suited to military applications, and they are supplied in versions to suit all popular types of circular connector used by aerospace and defence OEMs.
All Termilock backshells incorporate an internal shield termination yoke, which offers a choice of external or internal cable shield termination. They are suitable for use with conventional braid stock or individual solder sleeve cable shield termination, but whichever termination method is used, the design of the backshell is said to ensure that shield-to-ground resistance is minimised. Assembly is simplicity itself, requiring no special tools, and strain-relief systems available include clip, clamp and shrink-boot (Figure 1).
Figure 1
Icore's new Termilock range of connector backshells
Another key backshell feature is the Entra-lok differential torque connection, a self-locking system that reportedly ensures connectors are retained firmly in place, even under extremes of shock and vibration. Designed to meet MIL-C-85049 specifications, the Entra-lok system also allows fast, easy mating and disconnection, since it does away with inconvenient locking wires.
The connectors are easy to repair or reconfigure, since full access to the connector pins can be gained without disturbing the internal shield terminations. Cable braid is also left intact and is not damaged during repair. The new low-profile backshells are protected against corrosion by (core's unique cadmium-free TTH plating system; a nickel based process with a 2,000 h salt spray corrosion performance rating.
Details available from: Icore International Ltd. Tel: +44 (0)1753 574134; E-mail: christine.wickings@icore.co.uk; web site: www.icoregroup.com