Amphenol Aerospace D38999 Series III PCB Connectors

Amphenol Aerospace D38999 Series III PCB Connectors provide high-density electrical connectivity for printed circuit board applications using rigid or flex print assembly methods. These circular MIL-spec connectors integrate pre-assembled AS39029-compliant contacts and support aluminum, composite, or steel shells with conductive finishes for EMI shielding and environmental durability. The MIL-DTL-38999 series III connectors include double-flange and clinch nut mounting styles to enhance grounding stability and reduce mechanical stress on PCB connections. These devices feature an operating temperature range from -65°C to +200°C, provide EMI shielding effectiveness exceeding 65dB at 10GHz, and support contact arrangements of up to 128 positions. The D38999 PC board connectors are used in military aircraft avionics, naval electronics, and spacecraft instrumentation requiring robust PCB-mounted solutions.

Features

• All standard materials and platings are available
• Aluminum, stainless steel, and composite options for shell materials are available
• Clinch nuts installed are available
• Contact pre-tinning and double pre-tinning options are available
• Double flange and standoff styles are available
• Eases cable-to-board wiring
• EMI/EMP shielding
• Meets AS39029 requirements
• Meets MIL-DTL-38999 requirements
• Multiple standard PCB stick-out options are available
• Optional alignment disks
• Pre-assembled contacts
• Tri-Start coupling mechanism
• Wide operating temperature range

Applications

• Automation controls
• Deep-space probes
• Ground vehicle systems
• Launch vehicles
• Military aircraft avionics
• Naval electronics
• Robotics
• Satellite communications

Technical Specifications