6
MIL-DTL 38999 Series III
Characteristics
• Shell:
Aluminium, composite, stainless steel, bronze
• Shells plating:
Aluminium shell:
Cadmium olive drab (W)
Nickel (F)
Black zinc nickel (Z)
Green zinc cobalt (ZC)
Composite shell:
Cadmium olive drab (J)
Nickel (M)
Without plating (X)
Stainless steel shell:
Passivated (K)
Nickel (S)
Titanium shell:
Without plating (TT)
Nickel (TF)
Boîtier bronze:
Without plating
• Insulator: Thermoplastic or thermoset.
• Grommet and interfacial seal:
Silicone elastomer
• Contacts: Copper alloy
• Contacts plating: Gold over nickel plated
• Endurance:
- 500 mating / unmating operations
whatever the material used
- 1500 mating / unmating operations
with composite connectors
+ specifics contacts
• Shock:
300g, 3 ms according EN 2591-D2 method A
• Vibration:
Sinus:
10 à 2000 Hz, 3x12 hrs
(60g, 140 – 2000 Hz)
with temperature cycling
Random:
-50 to 2000 Hz, 2x8 Hrs
(1g2/ Hz, 100 – 2000Hz) at T° max.
- 25 to 2000 Hz, 2x8 Hrs
(5g2/ Hz, 100 – 300Hz)
(at ambiant T°)
Test with accessories in acc
with EN 2591-D3
• Contacts retention:
Technical characteristics
Weight comparison
Example for a plug shell size 15
Electrical
• Test voltage rating (Vrms):
• Contact resistance:
• Insulation resistance:
≥5 000 Mh(under 500 Vdc).
• Contact rating:
• Shell continuity
Aluminium shell:
Cadmium olive drab (W): 2.5 mh
Nickel (F): 1 mh
Black zinc nickel (Z): 2.5 mh
Green zinc nickel (ZC): 2.5 mh
Composite shell:
Cadmium olive drab (J): 3 mh
Nickel (M): 3 mh
Stainless steel shell:
Passivated (K) : 10 mh
Nickel (S) : 1 mh
Titanium shell:
Without plating (TT) : 10 mh
Nickel (TF): 1 mh
Bronze shell:
Without plating: 5 mh
For Quadrax see page 70
Service At sea level At 21000 m
M 1 300 800
N 1 000 600
I 1 800 1 000
II 2 300 1 000
Materials Weight
Stainless steel 58.80 grs
Titanium 33.90 grs
Aluminium 20.35 grs
Composite 14.30 grs
40%
lighter
42%
lighter
30%
lighter
• Shielding:
Aluminium shell:
- 65 db at 10 GHz (F) – 50 db
at 10 GHz (W)
- 85 db at 1 GHz (F)
- (Z& ZC): Consult us
Composite shell:
- 90 db at 10 GHz
- 85 db at 1 GHz
Stainless steel shell:
- 45 db at 10 Ghz (K)
- 65 db at 10 Ghz (S)
Titanium shell:
- 45 db at 10 Ghz (TT)
- 65 db at 10 Ghz (TF)
Bronze shell: 85 db at 10 Ghz
Contacts size 22 20 16 12 84
Cts resistance (m
h
)14.6 7.3 3.8 3.5 32
Contacts size 22 20 16 12 84
Contact rating (A) 5 7,5 13 23 45 80
Contacts size 22 20 16 12 84
Min force in N 44 67 111 111 111 200