Secure ultra-miniature cable assemblies for high-vibration industrial applications

Update: May 18, 2023

Amphenol RF has released its SMA and TNC to MHF I LK locking cable assemblies on ultra-flexible 1.13mm micro-coax cable. These pre-configured assemblies provide outstanding vibration resistance for applications that can experience continuous shock and movement. The MHF I LK connector utilises a mechanical locking feature, increasing the plug retention force and providing a reliable and stable connection. The connector is compatible with the company’s existing line of AMC connectors.

These 50-Ohm cable assemblies are offered in IP67 and non-IP rated SMA, RP-SMA, TNC and RP-TNC configurations in different standard lengths from 50mm to 400mm. Custom lengths are provided upon request. SMA connectors have gold-plated brass bodies and gold-plated, beryllium copper contacts. TNC connectors are manufactured with nickel-plated brass bodies and gold-plated brass contacts. The front mount bulkhead connectors that are used in some of the configurations create resistance to tampering for publicly accessible systems employing a flange on the exterior of the device’s enclosure and mounting hardware enclosed inside the box. Rear mount connectors are also available.

The combination of these robust and durable RF interfaces on flexible coax cable makes them ideal for emerging industrial automation, RFID and GPS technology. The unique locking and secure mating abilities of this assembly assists to mitigate the risk of unmating in hazardous industrial environments. Many configurations of this assembly can support higher-frequency Wi-Fi 6E applications.

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