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MS3474L12-3P Datasheet, PDF (1/12 Pages) List of Unclassifed Manufacturers – For all general purposes in military ap plications | |||
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MIL-C 26482G Series II
Applications
For all general purposes in military ap-
plications
Standards
MIL-C 26482 Series II
QPL approved
Description
⢠Standard version
⢠Aluminum alloy
olive green, nickel or, black, anodized plating
⢠Bayonet coupling
⢠RFI shielding plug
⢠Gold plating crimp contacts # 20, 16,
and # 12
⢠# 16 and # 12 minicoaxial or thermocouple
contacts
⢠Hermetic version available
⢠Light weight backshells
Characteristics
Mechanical
⢠Endurance : 500 operations
⢠Plug MS 3475 : 250 operations
⢠Plug MS 3476 : 500 operations
⢠Shock : 300 g - 3 ms in three axes
⢠Vibration : MIL STD 202, method 214, test
condition II, letter J (50 - 2000Hz; 41,7 g eff.)
⢠Contact retention in insert :
- size 20 : 90 N
- size 16 : 111 N
- size 12 : 133 N
Electrical
⢠Max. current rating per contact
size 20
size 16
size 12
environmental class
7,5 A
13 A
23 A
hermetic class
5A
10 A
17 A
⢠Contact resistance
size 20
size 16
size 12
environmental class
⤠1 mâ¦
⤠0,55 mâ¦
⤠0,35 mâ¦
hermetic class
⤠7 mâ¦
⤠3,8 mâ¦
⤠2,4 mâ¦
⢠Insulation resistance :
⥠5000 M⦠at 500 Vdc
⢠Dielectric withstanding voltage
Service
at ground level
at 21000 m
I
1500 Vrms
375 Vrms
II
2300 Vrms
550 Vrms
Ordering information
environmental connectors
⢠Shell continuity with plug MS 3475,
environmental receptacle ⤠5 mâ¦,
hermetic receptacle ⤠50 mâ¦
Climatical
⢠Operating temperature :
-55°C to + 200°C (class L)
-55°C to + 175°C (classes W and H)
⢠Damp heat : MIL STD 1344
method 1002 - Type II
⢠Salt spray :
class W : 500 hr
class L : 48 hr
⢠Leakage :
environmental version :
- when mated under a differential pressure
of 1,03 bar. air leakage is ⤠3,6 mm3/h
- low pressure immersion : 33 mbar
hermetic version :
- differential pressure of 1 bar air'helium,
leakage is ⤠2,8 mm3/h
Resistance to fluids
MIL-L 7808
MIL-L 23699
MIL-H 5606
Hydraulic fluids M 2 V
MIL-C 25769 diluted
MIL-A 8243
MIL-T 5624 (JP5)
MIL-G 3056
Solvents
basic series
MS 3470 W â¢â¢ â¢â¢ P â¢
shell type
3470 - square flange receptacle
3474 - jam nut receptacle
3475 - RFI shielded plug
3476 - plug
class and plating
W - olive green cadmium
L - nickel
shell size
8-10-12-14-16-18-20-22-24
contact layout
contact type
- see table p 65
P - male contact
S - female contact
A - less male contact
B - less female contact
polarization
N - normal ( not included in part number)
W, X, Y and Z - see table p 66
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