MIL-DTL-38999 I Series
Welcome to Yunshi, the forefront of circular connector solutions in China. As a trusted industry leader, we bring you the power of advanced MIL-DTL-38999 I series connectors, engineered to meet the highest industry standards.
Unlock the Potential of MIL-DTL-38999 I Series Connectors with Yunshi
MIL-DTL-38999 I Series circular connectors are military-grade connectors specifically designed for communication purpose. This military connector offers high-density contact arrangements, making it suitable for military vehicles, soldier communication systems, and other connection applications requiring high reliability. These Mil-Spec connectors come in multiple receptacle mounting options to adapt to users' particular application needs.
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General Information
- Compliant with MIL-DTL-38999 I series requirements
Bayonet coupling for easy and efficient use, compact size, lightweight design, and high-density contacts
Superior EMI/RFI shielding capabilities
Five-keyway polarization enabling blind mating and error-proof insertion
Versatile receptacle mounting options, such as boxed, wall, front loading, after loading, and jam nut
Removable crimp contacts and anti-oblique mating design
Multiple shell sizes (9 kinds) and contact arrangements to meet diverse requirements
Unmatched vibration resistance for reliable performance
Customizable shell materials and plating options to suit various environmental demands
Sealed construction on mating faces and rear ends for excellent protection against environmental elements
Compliance with M85049 standard for tail accessories
Applications of Circular Connectors
Our MIL-DTL-38999 I series circular connectors find applications in a wide range of industries where circuit signal connections are crucial.
Environments
Our MIL-DTL-38999 I series circular connectors excel in environments characterized by strong vibrations, sandstorms, and high humidity, making them ideal for demanding conditions.
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Main Technical Performance
Mechanical Performance
- Diverse material options for shells, including aluminum alloy, stainless steel, and titanium alloy
- Insulation components crafted from high-quality thermosetting or thermoplastic materials
- Silicone rubber sealing gaskets and O-rings for reliable protection
- Plating finishes tailored to specific requirements: cadmium plating (B-class), stainless steel passivation (E-class), chemical nickel plating (F-class), aluminum alloy matte cadmium plating (FT-class), and titanium alloy (TA-class)
- Gold-plated copper alloy contacts available in crimp, solder, and printed circuit board configurations
- Impressive mechanical lifespan of 500 mating cycles
- Resilience to vibrations, including sinusoidal vibrations (10-2000Hz) at 294m/s² and random vibrations (100-1000Hz) with 1g²/Hz power spectral density
- Shock resistance against 3ms half-sine wave with peak acceleration up to 300g
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Environmental Performance
- Temperature range: B-class (-65 ˚C to +175 ˚C), E and F class (-65 ˚C to +200 ˚C)
- Salt spray test results: B-class (500 hours), E and TA class (1000 hours), F-class (48/96 hours), FT class (96 hours)
- High humidity resistance: Up to 98% relative humidity at 40 ˚C
- Operating altitude: Up to 30,480 meters
Electrical Performance
**Contact Resistance and Current Rating**
Contact No. Diameter (mm) Resistance(mΩ) Current (A) 22D Ø0.76 ≤12 5 20# Ø1.00 ≤5 7.5 16# Ø1.60 ≤2.5 13 12# Ø2.40 ≤1.5 23 10# Ø3.15 ≤1.0 40
Superior shielding capabilities, with minimum attenuation of 85dB from 100MHz to 1GHz and 50dB from 1GHz to 10GHz
**Withstanding voltage (V):**
Service rating M N I II Sea level 1300 1000 1800 2300 21000m 800 600 1000 1000
- Exceptional insulation resistance, exceeding 5000MΩ under normal conditions and 100MΩ under humid conditions
- Minimal shell-to-shell resistance to ensure efficient and reliable connectivity: B-class (≤2.5mΩ), F and FT-class (≤1.0mΩ), E and TA-class (≤50mΩ)
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Other Performance
The MIL-DTL-38999 I series circular connectors also demonstrate superior resistance to moisture, salt spray (corrosion), fungi, and dust.
