Fiber Optic Connectors
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D38999 III Series
Applications
Ideal for a wide range of applications, including maritime and naval communication equipment, avionics systems, harsh environments with acid, alkali, salt, and humidity, military communication, and outdoor and rugged environments.
General Information
- Compliant with MIL-DTL-38999 III series interface
- Flexible housing options with various materials and coatings to meet specific environmental requirements
- Five-key positioning for blind mating and anti-misinsertion functionality
- Triple-start thread for quick connection with anti-loosening mechanism
- Precise alignment achieved through ceramic ferrules
- Multiple rear accessory options available
- Adapter socket available, offering sealed solutions and liberating optical cable constraints
Main Technical Information
Connector Performance
- Insertion Loss:
- Single mode: ≤1.0dB
- Multimode: ≤0.75dB
- Return Loss: ≥50dB
- Mechanical Performance:
- Plug Retention Force: ≤1000N (for main cables)
- Socket Retention Force: ≤100N (for branch fiber cables)
- Plug Retention Force: ≤1000N (for main cables)
- Socket Retention Force: ≤100N (for branch fiber cables)
Common Connection Schemes
Compatible Optical Cable Specifications
- Cable Diameter: 4mm; 7mm (or other specified sizes)
- Jacket Material: TPU
- Strength Member: KEVLAR
- Fiber Types: 9/125, 50/125, 62.5/125
- Fiber Coating: 900μm tight buffered fiber
- Tensile Strength: short-term: 1200N, long-term: 600N
- Operating Temperature: -40°C to 85°C
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