Smiths Connectors is now Smiths Interconnect


MarketID in (3,4,7,11)
  • 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

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 and . 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. 

Size 12 Features

  • 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)

Size 5 Features

  • Multimode applications 62.5/125
  • Available for ARINC or MIL-DTL-38999 applications
  • Insertion loss: -0.8 dB (typical)

Size 12 Specifications

Operating Temperature -40˚C to + 85˚C
Fiber Types Multimode:
50/125 µm
62.5/125 µm
Insertion Loss 1.0 dB (Typical)
Cable Diameter 1.6mm to Ø2.2mm
Ferrules Zirconia Ceramic
Contact Body ARCAP
Alignment Sleeve  Stainless Steel
All specifications are subject to change without notice