8D Series
|
BMA Coaxial
Contacts
Description
• Quick screw coupling D38999 connector
• Shell available in aluminum, composite,
Stainless steel, Titanium & Bronze
• 16 layouts available with coaxial contact
• High Frequency coaxial contact: DC 18GHz
• Qualified coaxial contact according to
MIL-STD-348A/321
• Removable coaxial contact
• Contacts delivered with boots
Technical features
BMA contact features
For .086’’ flexible cable
• Moisture resistance:
MIL-STD-202, method 106
• Corrosion:
Salt spray test according to
MIL-STD-202, method 101, condition B
• Vibration:
MIL-STD-202, method 204, condition D
• Shock:
MIL-STD-202, method 213, condition I
/!\ Caution: be careful that your application doesn’t exceed
contact specification.
• Shock:
300g, 3 ms (EN 2591-D2 method A)
• Vibration:
. Sinus:
. 10 à 2000 Hz, 3x12 hrs
(60g, 140 - 2000 Hz) with T° 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 EN2591-D3
Electrical
• Impedance:
50Ω
• Frequency range:
DC 18GHz
• Dielectric withstanding voltage:
1.5 kVrms, 50Hz (at sea level)
• Insulation resistance:
≥ 5 000 MΩ
• Contact resistance:
. center contact: ≤ 2 mΩ
. outer contact: ≤ 2 mΩ
• Return loss (DC-18GHz):
< -17dB (mated connector)
• RF leakage interface only (fully mated):
≥ 90 dB f (GHz) measured at interface with
reference planes being in true alignment.
• RF testing voltage:
1.0 kVrms, 5 MHz (at sea level)
• Admissible power:
≤ 300 W at 3 GHz (at sea level & room T°)
Electrical
Connector features
Mechanical
• Shell material & plating:
. Aluminum:
Cadmium olive drab (W)
Nickel (F)
Black zinc nickel (Z)
Green zinc cobalt (ZC)
. Composite:
Cadmium olive drab (J)
Nickel (M)
Without plating (X)
. Stainless steel: Passivated (K)
Nickel (S)
. Titanium:
Without plating (TT)
Nickel (TF)
. Bronze:
Without plating
• Insulator:
Thermoplastic
• Shell continuity:
. F, S & TF:
1 mΩ
. W, Z & ZC: 2.5 mΩ
. K & TT:
10 mΩ
• Shielding:
. F & M:
. K & TT:
. W & Z:
. F, S & TF:
. Bronze:
. J:
. ZC:
. J & M: 3 mΩ
. Bronze: 5 mΩ
85 db at 1 GHz
45 db at 10 Ghz
50 db at 10 GHz
65 db at 10 GHz
85 db at 10 GHz
90 db at 10 GHz
Consult us
Environmental
• Temperature range:
. W, ZC, J, X & bronze:
. F, Z, M, K, S, TT & TF:
• Salt spray:
. F, S & TF:
. ZC:
. W, Z, K, TT & bronze:
. J, M & X:
-65°C +175°C
-65°C +200°C
48 Hours
250 Hours
500 Hours
2000 Hours
Environmental
• Temperature range:
-65°C +125°C
• Thermal shock:
MIL-STD-202, method 107, condition B
• Grommet and interfacial seal:
Silicone elastomer
• Contact endurance:
1000 mating cycles
• Connector endurance:
500 mating cycles
2
8D Series
|
BMA Coaxial
Contacts
Ordering information
Basic Series
Shell style:
0:
Square flange receptacle
1:
In line receptacle
7:
Jam nut receptacle
5:
Plug with RFI shielding
Shell size:
11, 17, 19, 21, 23, 25
Aluminum plating:
W:
Olive drab cadmium
F:
Nickel
Z:
Black zinc nickel
Contact layout:
See previous page
Contact type:
P:
Pin
S:
Socket
Orientation:
N, A, B, C, D, E
Specification (mandatory):
737:
Coaxial contacts - for .086’’ flexible cable
747:
Coaxial contacts - for .141’’ flexible cable
For other material and configuration (integrated clinch nuts, double flange, other cables, ...) please consult us.
8D
0
25
W
46
P
N
737
Recommended cables
Designation
.086’’ flexible cable
.141’’ flexible cable
For other cables please consult us.
Part number
Multiflex 86
Multiflex 141
Description
Outer conductor
contact
Soldered
Dimensions
For shells dimensions,
please see «8D Series,
MIL-DTL-38999 Series III»
SOURIAU catalog.
www.souriau.com
4
8D Series
|
BMA Coaxial
Contacts
Assembly Instruction
B
A
No shrinking sleeve allowed.
Picture
10.5
7
Process
Feature / Check
Tools required
Dip the cut length of cable
in flux and tin.
Cut the jacket to the braid.
Remove jacket.
The solder must flow at
rear for min. 7 mm.
Stanley blade
A
B
2.6
2
Remove cable dielectric
and tinned braid according
to diagram.
Form tip of centre contact
to a 90° cone.
Slide Taper sleeve A and
nipple B over cable.
Do not damage inner
conductor, dielectric and
braid of cable.
Stanley blade
Tip trimmer
X
B
A
C
Solder at X.
Avoid excessive heat,
immediately cool down
and clean with alcohol.
Center conductor of cable
must be exactly centered.
Soldering iron
Solder
Flat-nose pliers
Push prepared cable into
connector body D and
tighten nipple B.
D
B
A
Taper sleeve A will be used
for MIL-connector.
Torque: 3 Nm.
Male contact:
Torque wrench AF.6 (3 Nm)
Spanner AF.5.5
Female contact:
Torque wrench AF.6 (3 Nm)
Spanner AF.6
For further information contact us at
contactmilaero@souriau.com
or visit our web site
www.souriau.com
5
WPNCOAXBMAWUSEN01 © Copyright SOURIAU Jan 2014 - SOURIAU is a registered trademark.
Slide ferrule C over cable,
flush to dielectric.
If the cable does not fit
into the cable entry, use a
flat-nose plier to calibrate
the braid.
All information in this document presents only general particulars and shall not form part of any contract. All rights reserved to SOURIAU for changes without prior notification or public announcement. Any duplication is prohibited, unless approved in writing.
C
D
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