Fiber Optic Connectors

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.

D38999/20KB04A1N D38999/20KC08A1N D38999/26KA94B1N D38999/26KA94B1N D38999/26KB04B1N D38999/26KC08B1N 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