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Expanded Beam Contacts

Size 5 and 12 Fiber Optic

Smiths Interconnect's Expanded Beam Fiber Optic Contact technology fits in multimode applications 50/125 and 62.5/125.

  • Insertion Loss: 1.0 dB (Typical)
  • Increased protection for fiber face
  • Reduced influence from dirt, debris and vibration
  • Simple cleaning

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Commercial Aerospace


  • Communications
Defense Overview

Features & Benefits

Expanded Beam Fiber Optic Contact technology is specifically designed to fit into standard size 12 cavities of MIL-DTL-38999 Series I, III and IV connectors. The size 12 contact provides a robust fiber optic interconnection with low susceptibility to contamination and fits a variety of cable types with diameters from 1.6 to 2.2 mm with additional versions available upon request. The contacts are rear release/rear removable with standard size 12 removal tool.

  • Fits standard size 12 contact cavities for MIL-DTL-38999 (dimensionally identical to size 12 electrical contacts per M39029/56-353 and M39029/58-365)
  • Multimode applications 50/125 and 62.5/125
  • Insertion loss: 1.0 dB (Typical)

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