Space
Densi-D
Series
SPACE FLIGHT APPLICATION, HIGH DENSITY
SUBMINIATURE-D CONNECTORS
Size 22 Contacts
Removable Crimp and
Printed Board Mount
Space Flight
Quality Connectors
Space Densi-D Series connectors are space flight application
quality, high density rectangular connectors designed specifical-
ly to withstand the rigors of launch and subsequent extended
space flight. These removable crimp contact or fixed contact
printed board mount connectors conform to all materials, dimen-
sional and performance requirements of MIL-DTL-24308 and
GSFC S-311-P-4, as well as the outgassing requirements of
ASTM E-595 and NASA-RP-1124.
Space Densi-D Series connectors utilize precision machined
contacts with closed barrel crimp terminations and solder termi-
nations for straight and 90˚ printed board mount. All female con-
tacts are closed entry design, featuring a fluted brass shroud.
Six standard contact variants are offered in arrangements of
15, 26, 44, 62, 78, and 104 contacts. Space Densi-D Series
connectors are mateable and compatible with other high densi-
ty D-Subminiature connectors conforming to materials and
dimensional requirements of IEC 807-2 and MIL-DTL-24308
where applicable.
Non-magnetic cable supports and jackscrew systems are
available.
Visual and mechanical inspection per MIL-DTL-24308 is
performed, additional testing is available. Contact Technical
Sales.
SDD SERIES TECHNICAL CHARACTERISTICS
MATERIALS AND FINISHES:
Insulator:
Glass-filled polyester per MIL-M-24519,
UL 94V-0, ASTM E-595, NASA-RP-1124,
blue color.
Male Contacts:
Precision machined
high tensile copper alloy.
Female
Contacts:
Precision machined high ten-
sile copper alloy with brass shroud.
0.000050 inch (1.25 microns) gold over
copper plate.
Brass with 0.000050 inch (1.25 microns)
gold over copper plate.
Brass with 0.000050 inch (1.25 microns) gold
over copper plate.
Phosphor bronze or beryllium copper with
0.000050 inch (1.25 microns) gold over
copper plate.
Brass with 0.000050 inch (1.25 microns)
gold over copper plate.
Brass with 0.000050 inch (1.25 microns) gold
over copper plate or aluminum with yellow
chromate conversion or black anodize finish.
5 amps, nominal.
0.005 ohms, maximum.
1,000 V r.m.s.
5 G ohms.
0.042 inch (1.06 mm), minimum.
300 V r.m.s.
20 Gamma, maximum.
MECHANICAL CHARACTERISTICS:
Removable Contacts:
Insert contact to rear face of insulator and
release from rear face of insulator. Size
22 contacts.
Male Contact:
0.030 inch
(0.76 mm) diameter.
Female Contact:
Closed entry design with brass shroud.
Contact Retention in Insulator:
9 lbs. (40 N).
Contact Terminations:
Closed barrel crimp, wire sizes 22 AWG
(0.3 mm
2
) through 30 AWG (0.05 mm
2
).
0.020 inch (0.51 mm) diameter Straight
and 90˚ Printed Board Mount contact ter-
minations.
Shells:
Polarization:
Mounting to Angle Brackets:
Male shells may be dimpled for EMI/ESD
ground paths.
Trapezoidally shaped shells and polar-
ized jackscrews.
Jackscrews and riveted fasteners with
0.120 inch (3.05 mm) clearance hole, and
threaded fasteners with 4-40 threads and
polyester lock inserts.
Rapid installation push-on fasteners and
mounting posts.
Jackscrews.
1,000 operations, minimum, per IEC 512-5.
-55˚C to +125˚C.
21 days.
Contacts:
Contact Plating:
Shells:
Mounting Spacers
and Brackets:
Push-On Fasteners:
Jackscrew Systems:
Hoods:
Mounting to Printed Board:
Locking Systems:
Mechanical Operations:
Temperature Range:
Damp Heat, Steady State:
ELECTRICAL CHARACTERISTICS:
Contact Current Rating:
Initial Contact Resistance:
Proof Voltage:
Insulation Resistance:
Clearance and Creepage
Distance:
Working Voltage:
Residual Magnetism:
CLIMATIC CHARACTERISTICS:
DIMENSIONS ARE IN INCHES (MILLIMETERS).
ALL DIMENSIONS ARE SUBJECT TO CHANGE.
Positronic
Industries, Inc.
8
SDD
SERIES
SPACE FLIGHT APPLICATION, HIGH DENSITY
SUBMINIATURE-D CONNECTORS
CONTACT VARIANTS
FACE VIEW OF MALE OR REAR VIEW OF FEMALE
SDD 15
SDD 26
SDD 44
SDD 62
SDD 78
SDD 104
STANDARD SHELL ASSEMBLY
M
B
B1
K
0.050(1.27)±0.010
G
10˚ Typical
E
D1
D
H
C
A
0.036(0.91)±0.008
0.375
(9.53),
Max.
0.120 (3.05) ±0.005 Ø
Mounting Hole, two places
0.120(3.05) ±0.010
0.120 (3.05)±0.005 Ø Mounting Hole, two places
0.154 (3.91) Ø Mounting Hole available
OPTIONAL SHELL ASSEMBLY
(STANDARD FOR SIZE 104 CONNECTORS)
CONNECTOR
VARIANT SIZES
SDD 15 M
SDD 15 F
SDD 26 M
SDD 26 F
SDD 44 M
SDD 44 F
SDD 62 M
SDD 62 F
SDD 78 M
SDD 78 F
SDD 104 M
SDD 104 F
A
±0.015
1.213
(30.81)
1.213
(30.81)
1.541
(39.14)
1.541
(39.14)
2.088
(53.04)
2.088
(53.04)
2.729
(69.32)
2.729
(69.32)
2.635
(66.93)
2.635
(66.93)
2.729
(69.32)
2.729
(69.32)
B
±0.005
B1
±0.005
0.666
(16.92)
0.643
(16.33)
0.994
(25.25)
0.971
(24.66)
1.534
(38.96)
1.511
(38.38)
2.182
(55.42)
2.159
(54.84)
2.079
(52.81)
2.064
(52.43)
2.212
(56.18)
2.189
(55.60)
C
±0.005
0.984
(24.99)
0.984
(24.99)
1.312
(33.32)
1.312
(33.32)
1.852
(47.04)
1.852
(47.04)
2.500
(63.50)
2.500
(63.50)
2.406
(61.11)
2.406
(61.11)
2.500
(63.50)
2.500
(63.50)
D
±0.005
0.032(0.81)
Total diametral float
0.086 (2.18)+0.005 -0.000 Ø
Mounting Hole, two places
OPTIONAL SHELL ASSEMBLY WITH UNIVERSAL FLOAT MOUNTS
D1
±0.005
0.329
(8.36)
0.311
(7.90)
0.329
(8.36)
0.311
(7.90)
0.329
(8.36)
0.311
(7.90)
0.329
(8.36)
0.311
(7.90)
0.441
(11.20)
0.423
(10.74)
0.503
(12.78)
0.485
(12.32)
E
±0.015
0.494
(12.55)
0.494
(12.55)
0.494
(12.55)
0.494
(12.55)
0.494
(12.55)
0.494
(12.55)
0.494
(12.55)
0.494
(12.55)
0.605
(15.37)
0.605
(15.37)
0.668
(16.97)
0.668
(16.97)
G
±0.010
0.759
(19.28)
0.759
(19.28)
1.083
(27.51)
1.083
(27.51)
1.625
(41.28)
1.625
(41.28)
2.272
(57.71)
2.272
(57.71)
2.178
(55.32)
2.178
(55.32)
2.302
(58.47)
2.302
(58.47)
H
±0.010
0.422
(10.72)
0.422
(10.72)
0.422
(10.72)
0.422
(10.72)
0.422
(10.72)
0.422
(10.72)
0.422
(10.72)
0.422
(10.72)
0.534
(13.56)
0.534
(13.56)
0.596
(15.14)
0.596
(15.14)
K
±0.005
0.233
(5.92)
0.243
(6.17)
0.233
(5.92)
0.243
(6.17)
0.230
(5.84)
0.243
(6.17)
0.230
(5.84)
0.243
(6.17)
0.230
(5.84)
0.243
(6.17)
0.230
(5.84)
0.243
(6.17)
M
±0.010
0.422
(10.72)
0.429
(10.90)
0.422
(10.72)
0.429
(10.90)
0.426
(10.82)
0.429
(10.90)
0.426
(10.82)
0.429
(10.90)
0.426
(10.82)
0.429
(10.90)
0.426
(10.82)
0.429
(10.90)
9
Positronic
Industries, Inc.
DIMENSIONS ARE IN INCHES (MILLIMETERS).
ALL DIMENSIONS ARE SUBJECT TO CHANGE.
SDD
SERIES
SPACE FLIGHT APPLICATION, HIGH DENSITY
SUBMINIATURE-D CONNECTORS
CRIMP CONTACTS
CLOSED CRIMP BARREL
FEMALE CONTACT (“CLOSED ENTRY” DESIGN)
CØ
A
0.030 Ø
(0.76)
MALE CONTACT
A
CØ
BØ
0.150
(3.81)
Brass Shroud
0.150
(3.81)
BØ
Crimp contacts may be supplied kitted with connector or ordered separately.
PART
NUMBER
FC8022D-50-1202.0
WIRE SIZE
AWG/(mm
2
)
22 / 24 / 26 / 28 / 30
(0.3/0.25/0.12/0.08/0.05)
A
0.518
(13.16)
BØ
0.035
(0.89)
CØ
0.047
(1.19)
PART
NUMBER
MC8022D-50
WIRE SIZE
AWG/(mm
2
)
22 / 24 / 26 / 28 / 30
(0.3/0.25/0.12/0.08/0.05)
A
0.531
(13.49)
BØ
0.035
(0.89)
CØ
0.047
(1.19)
Material:
Leaded nickel copper.
Plating:
0.000050 inch (1.25 µ) gold over copper.
Material:
Brass.
Plating:
0.000050 inch (1.25 µ) gold over copper.
REELS FOR AUTOMATIC FEED PNEUMATIC CRIMP TOOLS
Contacts may be supplied in plastic carriers, packaged in reels holding 2,000
contacts for use with the automatic feed pneumatic crimp tools, catalog part num-
ber 9550-1. The same type carrier is used for both male and female contacts.
All male and female crimp contacts can be ordered in reels by adding letter “R”
after the contact part number, such as MC8022DR-50 for a male contact and
FC8022DR-50-1202.0 for female contact.
Enlarged section of plastic contact carriers
For SDD crimping information and
crimp tools, see pages 13, 14, and 16.
DIMENSIONS ARE IN INCHES (MILLIMETERS).
ALL DIMENSIONS ARE SUBJECT TO CHANGE.
Positronic
10
Industries, Inc.
SDD
SERIES
SPACE FLIGHT APPLICATION, HIGH DENSITY
SUBMINIATURE-D CONNECTORS
STRAIGHT PRINTED BOARD MOUNT CONTACTS
FEMALE CONTACT (“CLOSED ENTRY” DESIGN)
A
MALE CONTACT
A
DØ
Brass Shroud
0.030 Ø
(0.76)
DØ
Straight printed board mount contacts are supplied in the connector.
CODE
NUMBER
3
32
L
0.150
(3.81)
0.300
(7.62)
DØ
0.020
(0.51)
0.020
(0.51)
A
0.725
(18.42)
0.865
(21.97)
For straight printed board
mount contacts, specify
Code Number in Step 4 of
the Ordering Information.
CODE
NUMBER
3
32
L
0.150
(3.81)
0.300
(7.62)
DØ
0.020
(0.51)
0.020
(0.51)
A
0.737
(18.72)
0.877
(22.28)
Fixed Female
Jackscrews
Typical Part Number:
SDD62F3S60T2G
Swaged spacer with push-
on fastener; phosphor
bronze.
L
Contact
Material:
Phosphor bronze.
Plating:
0.000050 inch (1.25 µ) gold over copper.
0.375
(9.53)
0.020(0.51) Ø
90˚ PRINTED BOARD MOUNT CONNECTOR
CODE 4, 0.450(11.43) CONTACT EXTENSION
C
SDD004R7000 0.450(11.43) CONTACT EXTENSION
PART NUMBER
SDD1504R7000
SDD2604R7000
SDD4404R7000
Fixed
Female
Jackscrews
±0.008
B A
SDD6204R7000
SDD7804R7000
SDD10404R7000
A
1.204
(30.58)
1.532
(38.91)
2.072
(52.63)
2.720
(69.09)
2.626
(66.70)
2.720
(69.09)
B
0.984
(24.99)
1.312
(33.32)
1.852
(47.04)
2.500
(63.50)
2.406
(61.11)
2.500
(63.50)
C
0.528
(13.41)
0.528
(13.41)
0.528
(13.41)
0.528
(13.41)
0.573
(14.55)
0.614
(15.60)
D
0.450
(11.43)
0.450
(11.43)
0.450
(11.43)
0.450
(11.43)
0.450
(11.43)
0.450
(11.43)
0.082(2.08), Typical
0.082(2.08), Typical
0.082(2.08), Typical
0.082(2.08), Typical
D
Typical Part Number:
SDD104M4R7NT2G
0.082(2.08), Typical
0.082(2.08), Typical
0.082(2.08), Typical
Specify Code 4
in Step 4 of the
Ordering
Information.
D
Numbering shown is rear view of male
and face view of female.
D
0.078(1.98), Typical
0.078(1.98), Typical
0.020(0.51) Ø
Push-on Fastener;
Beryllium Copper.
0.125(3.18), Nominal
Typical Part Number:
SDD44F4R7NT2G
Typical Part Number:
SDD78M4R7NT2G
DIMENSIONS ARE IN INCHES (MILLIMETERS).
ALL DIMENSIONS ARE SUBJECT TO CHANGE.
11
Positronic
Industries, Inc.
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