Sunkye MIL DTL 38999 iii Connector

Sunkye MIL DTL 38999 iii Connector

  • Quick lock thread with anti-loosening mechanism
  • 100% Scoop- -proof to ensure no damage to the contacts in a blind mating application
  • With grounding reeds to strengthen emi/rfi shielding
  • Excellent performance of shock & vibration resistance
  • Good performance of fluid resistance
  • Widely used in aerospace, aviation & military system, especially for high impact vibration environment
MIL-DTL-38999 (formerly MIL-C-38999) describes four series of miniature, high density, bayonet, threaded, or breech coupling, circular, environment resistant, electrical connectors using removable crimp or fixed solder contacts, and are capable of operation within a temperature range of -65 to +200 degrees Celsius. Series III connectors are suitable for blind mating areas, and provide high-vibration characteristics at elevated temperature and are suitable for SWAMP areas with the proper connector accessories; (https://en.wikipedia.org/wiki/U.S._Military_connector_specifications)

Material of Sunkye MIL-DTL-38999-iii Connector

  • Shell: aluminum alloy, stainless steel, titanium alloy
  • Finish: olive drab cadmium (W), chemical nickel plating (F), stainless steel passivation (K), stainless steel nickel plating (S), titanium alloy electroless (TT)
  • Insulation Mounting Plate : thermoplast
  • Seal Ring: silicon rubber elastomer
  • Contact: copper alloy
  • Finish: nickel plated with gold

Mechanical Performance of Sunkye MIL-DTL-38999-iii Connector

  • Sinusoidal Vibration : 10-50Hz, speed 254mm/s
                                            50-140Hz, double -amplitude 1.5mm
                                            140-2000Hz, acceleration 588m/s²
  • Random Vibration : high temperature 96(m/s²)²/ Hz    408m/s²,100~1000Hz
  • Random Vibration : environment temperature480(m/s²)²/ Hz,100~300Hz
  • Shock : 2940m/s²  3ms
  • Durability : 500 mating cycles
  • Contact Retentivity (Min.):
                               #22D : 44N
                               #20 : 67N
                               #16 : 111N  
                               #12 : 111N
                               #8 coaxial : 111N
                               #8 triax : 111N

Mil-DTL-38999 Series III connector is a high-performance cylindrical connector that is designed for both general purpose and harsh environment applications. It adopts an enhanced "one turn" coupling system and self-locking screw thread to improve the durability of the coupling system, while the thicker wall and larger coupling surface area increase the strength and impact resistance. 38999 Series III connector can also be used for various shell materials and finishes (anode, zinc cobalt, aluminum, electroless nickel plating, olive cadmium, etc.).

For more information about MIL-DTL-38999 Series III connectors, click the "PDF Download" button above to see the details in the PDF file. If you have any difficulty searching for products, please contact us and Sunkye will help you find the best components for your application.

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    Connectors are almost everywhere in aerospace applications. Sunkye's connector uses advanced computer modeling to ensure optimal performance and then designs products that are easier to use, more reliable, and lower in actual cost.

  • Military / Defense
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    The performance of products in the signal intensive environment depends on their phase stability. Sunkye's engineers have professional knowledge and rich experience to provide you with better solutions. Come to choose our high quality and professionalism.

  • Aircraft / UAV
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    The UAV connector is an important basic component. As a bridge to transmit signal and power, it must pass strict tests before it can be used in aircraft / UAV applications.

  • Oil & Gas & Marine
    Oil & Gas & Marine

    Sunkye produces mil-spec connectors focused on oil, gas, and marine applications that can adapt to the most demanding environments, including extreme temperatures, vibrations, and shocks.

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    Medical and Healthcare

    Electronic systems in medical devices and probes rely on sensor signals for precise control, diagnosis and treatment. Our connectors are designed and manufactured to strict standards to meet the stringent requirements of medical applications.

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Sunkye Connection Technologies provides a wide product portfolio with a complete interconnect solutions offering. Sunkye connectors and cables assemblies are complementary with Sunkye backshells and conduits.

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