YF31 Circular Umbilical Connector

  • Push-pull coupling mating and pull rope or cord demating.
  • It can achieve a large demating force of 200 N to 300 N with a short axial dimension.
  • The mating is aligned by key to avoid mis-mating.
  • Its features rainproof and salt spray resistance properties.
  • Suitable for mating and demating electrical lines between strategic and tactical weapon systems, as well as in situations requiring demating.
  • Per Q/Ag1.215-2012
Category:

Specifications

Shell Stainless Steel, Titanium Alloy
Shell Finishing Electropolishing
Insulator PEI
Contact Gold-Plated Copper Alloy (Solder Cup)
Mechanical Life 500 cycles
Mechanical Demating Force 200 N ~ 300 N (YF31)

100 N ~ 200 N (YF31A)

Force to Damage Inhaul Cable 400 N ~ 800 N (YF31A-15ZK Socket)
Sinusoidal Vibration Frequency 10 ~ 2000 Hz, Acceleration 98m/s²
Shock Acceleration 686 m/s²
Acceleration Acceleration 833m/s²
Operating Temperature -55℃ ~ +125℃
Relative Humidity At +40℃ ± 2℃: 90% ~ 95%
Rain Test 5 mm/min
Sealing 0.1MPa (YF31A-15ZKA Socket)
Salt Spray Test 96 h

Electrical Ratings

Contact Characteristics

Pin Diameter

Φ1 mm Φ1.5 mm
Operating Current 5 A

10 A

Contact Resistance

≤5 mΩ ≤3 mΩ
Number of Contacts 11

4

Insulation Resistance

Normal Temperature

High Temperature Humid and Heat
1000 MΩ 500 MΩ

20 MΩ

Dielectric Withstand Voltage

Normal Temperature

High Temperature Low Pressure Humid and Heat
1000 Vrms 1000 Vrms 200 Vrms

500 Vrms

How to Order

YF31 how to order

Eg: YF31A-15ZKA: This refers to the improved 15 pin round split-hole socket with a rectangle mounting flange, design number 31.

Connector Specifications

Quality Grade

Plug Type Feature Part Number of Socket Feature
J Grade YF31-15TJ Pull Rope Diameter Φ2 mm YF31-15ZK

Pull Rope Diameter Φ2 mm

YF31A-15TJ

YF31A-15TJM

Pull Rope Diameter Φ2 mm

Heat Shrink Plug

YF31A-15ZK

YF31A-15ZKA

Pull Rope Diameter Φ1 mm

Socket

(Without Pull Rope

with Rectangle Flange)

Contact Arrangement (Front View of Plug Mating Surface)

YF31-15 Contact Arrangement

YF31 Type Circular Umbilical Connector YF31 15 Contact Arrangement

Pin Diameter

Φ1 Φ1.5
Symbol YF31 symbol 1 YF31 symbol 2

Number of Contacts

11

4

YF31A-15 Contact Arrangement

YF31 Type Circular Umbilical Connector YF31A 15 Contact Arrangement

Pin Diameter

Φ1 Φ1.5
Symbol YF31 symbol 3 YF31 symbol 4

Number of Contacts

11

4

 

Symbol

Contact Specifications Contact Soldering Cup
Inner Diameter Section Area

Solderable Area

YF31 symbol 5 Φ1 mm Φ1 mm 0.79 mm2 0.55 mm2
YF31 symbol 6 Φ1.5 mm Φ1.5 mm 1.77 mm2

1.24 mm2

Dimension

Plugs (YF31-15TJ, YF31A-15TJ)

YF31 Type Circular Umbilical Connector Plugs YF31 15TJ YF31A 15TJ

Heat Shrink Plug (YF31A-15TJM)

YF31 Type Circular Umbilical Connector Heat Shrink Plug YF31A 15TJM

Socket (YF31-15ZK)

YF31 Type Circular Umbilical Connector Socket YF31 15ZK

Socket (YF31A-15ZK)

YF31 Type Circular Umbilical Connector Socket YF31A 15ZK

Socket with Rectangle Flange (YF31A-15ZKA)

YF31 Type Circular Umbilical Connector Socket with Rectangle Flange YF31A 15ZKA

Dimension after Mating

YF31 Type Circular Umbilical Connector dimension after mating

Plug Type

Socket Type Size L
YF31-15TJ YF31-15ZK

102 mm

YF31A-15TJ

YF31A-15ZK 102 mm

YF31A-15TJM

YF31A-15TJ

YF31A-15ZKA

91.6 mm

 

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