Circular Connectors (Military Connector)

MIL-DTL-38999 I Series

Welcome to NJ AERO, 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.

MS27467T11F98PHN MS27466T25B04PN MS27467T23B53PN Unlock the Potential of MIL-DTL-38999 I Series Connectors with NJ AERO

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.

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.

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 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) Other Performance

The MIL-DTL-38999 I series circular connectors also demonstrate superior resistance to moisture, salt spray (corrosion), fungi, and dust.

Related Communication ConnectorsMore Electrical Connectors