Hermetically sealed connectors suit extreme environments

20th November 2014

Barney Scott

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Datasheet

Molex has launched its Hermetic-Sealed Multi-Fibre Circular MT Optical Assemblies, delivering extreme sealing performance in the industry’s smallest footprint. The MT Optical Assemblies provide system reliability in extreme environments, including severe weather conditions, high altitudes and high atmospheric pressures. These conditions can cause ordinary surveillance and sensor equipment to fail, which can create critical communications problems.

Hermetic sealing can address this problem, but only under certain circumstances.

“Hermetic sealing for fibre optic connections has historically been limited to large, single-channel applications and was previously unavailable in a high-density, reduced-footprint, multi-channel option,” explained Mark Matus, Global Product Manager, Molex. “The Hermetic-Sealed Multi-Fibre Circular MT Optical Assemblies ensure industry-leading gas-tight-sealing for superior performance.”

Hermetic-Sealed Multi-Fibre Circular MT Optical Assemblies contain 12 to 24 flat-ribbon fibres in one connector, featuring a small footprint in comparison with similar products that utilise discrete-fibre (one fibre per contact) connector designs. The connectors also feature sealing rates to 1x10-6 helium cc/s at one atmosphere differential pressure.

The assemblies are appropriate for applications that require optimal environmental and pressure-sealing capabilities, such as aerospace and defence, mining, oil and gas exploration, industrial process control, and medical. They can operate in temperatures ranging from -40 to +70°C, and both single- and multi-mode fibre options are available.