8LT Series
Description
Applications
• High density connector from 1 to
128 contacts
• Sizes 22D, 20, 16, 12, # 16 coax and
# 8 triax
• Bayonet locking system
• 100% scoop proof
High density connectors for all military
and aeronautical purposes.
Standards
MIL-C 38999 Series I - QPL approved
NFC 93422 HE 308
DTAT-C 5935 X 0005 (HE 308 standard)
GAM/T1 list
Characteristics
Electrical
Climatic
Mechanical
Test voltage (Vrms)
• Temperature range :
- cadmium plating (B) : -65°C +175°C
- nickel plating (F)
: -65°C +200°C
• Sealing : mated connectors
- differential pressure 2 bars
- leakage ≤ 16 cm3/hr
• Salt spray to :
MIL STD 1344 method 1001
- 500 hours (version B)
- 48 hours (version F)
NFC 93422
- 48 hours (version F)
• Damp heat :
MIL-C 38999 : 10 cycles 24 hrs
NFC 93422 : 56 days
• Shell : aluminum alloy
• Plating :
- olive green cadmium (B)
- nickel (F)
• Insulator : thermoplastic
• Grommet and seal : silicone elastomer
• Contact : copper alloy
• Plating : gold over nickel
• Endurance : 500 cycles
• Shock : 300 g during 3 ms and MIL-S901
grade A
• Vibration : sine 10 to 2000 H 30 g random
100 to 300 Hz - 5 (g2/Hz)
• Contact retention : (mini force in N)
size 22 D : 45 N size 20 : 67 N
size 16 : 110 N size 12 : 110 N
size 8
: 110 N
Service
M
I
II
sea level
1300
1800
2300
at 21000 m
800
1000
1000
• Contact resistance :
resistance of wire included in measurement :
size 22D : 14.6 mΩ
size 20 : 7.3 mΩ
size 16 : 3.8 mΩ
size 12 : 1.7 mΩ
• Insulation resistance : ≥ 5000 MΩ (at 500 Vdc)
• Contact rating :
size 22D : 5 A
size 20 : 7.5 A
size 16 : 13 A
size 12 : 23 A
• Shell continuity :
- olive green plating : 2.5 mΩ
- nickel plating : 1 mΩ
• Shielding : - 90 dB to 100 MHz
- 50 dB to 10000 MHz
• Triaxial contact : # 8
- bandwidth : 0 - 20 MHz
- voltage rating : 500 Vac Max.
125 Vac at 21000 m
- voltage drop :
inner and middle contact ≤ 55 mV under 1A
outer contact ≤ 75 mV under 12A
Resistance to fluids
To MIL-C 38999 :
• MIL-L 7808
• MIL-H 5606
• MIL-C 25769
• hydraulic fluids
To NFC 93422 :
F46 - F54 - 0/180
•
•
•
•
MIL-L 23699
MIL-A 8243
MIL-T 5624 (JP5)
solvents
- H515 - H542 - XH45
Connectors ordering information
FCI Souriau part numbers
8LT
basic series
shell type
designator
0
3
2
7
1
5
-
0
square flange receptacle
square flange receptacle (rear mounting)
square flange receptacle not accepting backshell
jam nut receptacle
cable connecting receptacle
plug with RFI shielding
— - connectors with standard crimp contacts
L
C
T
W
-
receptacle
receptacle
receptacle
receptacle
with
with
with
with
long spill (male and female # 22D)
short spill (male and female # 22D, # 20, # 16)
male contacts size 20 for wire wrap (2 wraps)
male contacts size 22 for wire wrap (3 wraps)
shell size
09-11-13-15-17-19-21-23-25
plating
F - nickel
B - olive green cadmium (MIL-C 38999 - HE 308)
contact layout
- see table p 120
contact type
P - male
S - female
A - male connector supplied less contact or with specific contacts
B - female connector supplied less contact or with specific contacts
polarization
N - normal
A-B-C-D - see table p 77
Note : connectors supplied with standard contacts
74
-
13
B
35
P
N
