Y27 Series Connectors

Our Y27 series connectors adhere to the rigorous national military standard GJB2905-97 and the US military standard MIL-C-38999. Featuring a user-friendly push/pull coupling mechanism, these connectors are crafted from high-quality materials including aluminum alloy, naval brass, and stainless steel.

Engineered for seamless connection and effortless disconnection, our Y27 series connectors excel in blind mating and various challenging scenarios. They exhibit exceptional resistance to vibration, salt spray, and electromagnetic interference, while also offering other special models (dust-resistant, rain-resistant, and gas sealing). Widely utilized in the aerospace, aviation, marine, field operations, power distribution, railways, and telecommunication sectors, the Y27 series connectors provide reliable connectivity solutions that fuel progress across industries.


Environmental Performance of Circular Connector


Operating Temperature: -55 °C ~+125 °C 

Operating Pressure:101.3KPa ~1.33Pa 

Relative Humidity: 90%~98% (40±2°C) 


Vibration Resistance
Sinusoidal Vibration:
10~2000Hz  

Acceleration: 196m /s2 


Random Vibration Resistance

Power Spectral Density: 0.4G2 /Hz  

Root Mean Square Value of Acceleration: 23.1G 


Shock Resistance: 980m /s2 

Acceleration Resistance: 980m /s2 


Salt Spray Test 

Aluminum alloy shell with nickel plating: 48h 

Naval Brass Shell with Nickel Plating or Passivated Stainless Steel Shell: 1000h 


EMI/RFI 

Shield RFI Frequency: 100MHz~1GHz  

Minimum Attenuation: 45dB 


Immersed in Standing Water 

Immersion Depth: 2m (only applied to Y27F, Y27G, and Y27H series) 


Number of Contact Pins: 1~121 


Electrical Continuity (between the braided metal sheath and the backshell) 

Maximum Voltage Drop: 50mV 


Air Tightness of Receptacle Connector 

Leakage Rate: 1Pa.cm3/S (rubber seal) 

Leakage Rate: 1×10-4Pa.cm3/S (glass sealed) 

Mechanical Lifespan: 500 mating cycles


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