souriau
851 Series
Description
Applications
• bayonet coupling
Former connector for military applications.
Now used in the fields of professional and
general electronics.
• environmental and hermetic versions
• solder, crimp, straight spills and wire wrap versions
• thermocouple contacts available
• cadmium free plating (Zinc Cobalt) version
Standards
Mil-C 26482 G series 1
NFC 93422-He 301 B
VG 95328
BS 9522 F 0017
GAM T1 list
QPL approved (solder version)
- hermetic version :
size 20 : 30 mΩ
• Shielding : 70 db to 5 MHz
contact size
20 (Ø 1 mm)
16 (Ø 1,6 mm)
crimp
≥ 68 N
≥ 113 N
solder straight spill ww
≥ 68 N
Characteristics
Mechanical
• Shell :
size 16 : 14 mΩ
40 db to 100 MHz
≥ 113 N
• Mechanical endurance : 500 cycles (full mating-unmating)
environmental version : aluminium alloy plating :
- olive green cadmium
Electrical
Climatic
• Working temperature :
-55°C to +125°C
• Sealing :
• Dielectric withstanding voltage :
• at standard pressure :
- black anodised
- white cadmium
- satin finish bright nickel
mated and unmated connectors
- 1 500 Vrms between size 20 contacts (service 1)
- 2 300 Vrms between size 16 contacts (service 2)
- 1 500 Vrms between mixed size 20
and 16 contacts (service 1)
crimp contact version, 1 bar differential
pressure, leakage ≤ 8 cm3/hr
- solder contact version, 2 bar differential pressure,
leakage ≤ 16 cm3/hr
- zinc cobalt (olive green)
hermetic version : steel
plating : - iridescent yellow cadmium
- nickel
• at reduced pressure (10 mbar) :
connectors mated and unmated
- 200 Vrms between size 20 contacts (service 1)
- 300 Vrms between size 16 contacts (service 2)
• Insulation resistance :
• Hermiticity :
1 bar differential pressure leakage ≤ 2,8 mm3/hr
• Chemical resistance :
to MIL-C 26482 G series 1 and
NFC 93422-HE 301 B code A
• Resistance to salt spray :
48 hours at environmental temperature
- damp heat : 21 days
• Insulator :
front section : neoprene elastomer (85 shore)
rear section : neoprone elastomer (40 shore)
• Contact :
crimp : inserted and removed from rear of insulator
retained by metallic clip ; solder and straight spills :
non removable ; wire wrap : removable or not remo-
vable
≥ 5 000 MΩ under 500 Vdc
• Current rating per contact :
size 20 : 7,5 A
• Contact resistance :
size 16 : 13 A
• Vibration :
- material : copper alloy
- environmental version :
to NFC 20-616
- plating : gold overall or gold plated active zone
and tin/lead plated termination
- min retention force of contacts in insulator
size 20 : 4 mΩ
size 16 : 3 mΩ
Ordering information - Environmental connectors
solder version
crimp version
851 - 00 E 8 - 3A
851 - 00 R 8 - 3A
P
P
•
•
50 •••
50 •••
basic series
shell type :
solder
crimp
00
01
02E
07
07A
06
08
00
01
02R
07
-
-
-
-
-
-
-
-
-
square flange receptacle accepting backshells
cable connecting receptacle
square flange receptacle not accepting backshells
jam nut receptacle accepting backshells
jam nut receptacle not accepting backshells
plug for use with straight backshells
plug for use with 90° backshells
06
08
36
76
36
76
screened plug for use with straight backshells
screened plug with lock finger
backshell type : see table
shell size :
8 - 10 - 12 - 14 - 16 - 18 - 20 - 22 - 24
contact layout : see table p 18
contact type :
orientation :
P = male - S = female
normal (not included in part number) W, X, Y, Z, see table p 19
obligatory suffix :
50
gold plated crimp contacts - solder contacts size 20 - contacts with a gold plated active zone
and tin plated terminations - other gold plated terminations
solder contacts gold plated size 20
51
52
zinc cobalt olive green plated (contacts : idem specif. 50)
specification :
-
02
29
031
44
olive green cadmium plate (without specification)
white cadmium plate
black anodised (solder contacts)
black anodised (crimp contacts)
nickel plate
38
42
nickel plate
olive green cadmium plate
backshell type T* and RT*
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14