SND SERIES
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MILITARY / SPACE FLIGHT QUALITY
STANDARD DENSITY FIXED OR REMOVABLE CONTACTS
SND SERIES
5
High performance for use in harsh environments, including space flight.
Size 20
fixed or removable
contacts.
Female closed entry contacts utilize the “PosiBand ” system.
See page 1 for details.
®
Five connector variants include 9, 15, 25, 37, and 50 contacts.
Terminations include cable or wire crimp and
Conforming To Applicable
Current ratings: signal level to 18 amperes.
A wide variety of options and accessories.
Applicable variants are qualified to GSFC
and military specifications.
See page 98 for details.
See temperature rise curves on page 2 for details.
GSFC S-311-P-4/10 offers two contact engagement test options. Size 20 PosiBand
contacts meet the higher 40 gram requirements per 4.2.2.b.
solder, straight and right angle PCB mount.
Material, Dimensional and
Performance Requirements:
• GSFC S-311-P4 & GSFC S-311-P10
• MIL-DTL-24308 Class M
Conforming To Outgassing
Requirements:
• ASTM E-595 & NASA-RP-1124
T E C H N I C A L
MATERIALS AND FINISHES:
Connector Insert:
C H A R A C T E R I S T I C S
Cable Adapter (Hood):
Brass with 0.000050 inch [1.27 microns]
gold over copper plate; aluminum with
electroless nickel plate. Other finishes
available, contact Technical Sales.
Contacts:
Glass-filled DAP per ASTM-D-5948, Type
SDG-F, UL 94V-0, ASTM E-595, NASA-
RP-1124, green color.
Precision machined copper alloy.
0.000050 inch [1.27 microns] gold over
copper plate. Other finishes are available;
see page 95.
Brass with 0.000050 inch [1.27 microns]
gold over copper plate.
Brass with 0.000050 inch [1.27 microns]
gold over copper plate.
Phosphor bronze or beryllium copper with
0.000050 inch [1.27 microns] gold over
copper plate.
Brass with 0.000050 inch [1.27 microns]
gold over copper plate.
MECHANICAL CHARACTERISTICS:
Contacts:
Size 20 Fixed:
Male contact 0.040 inch [1.02 mm]
mating diameter. Female contact -
PosiBand closed entry design;
see page
1 for details.
Install contact to rear face of connector
insert and remove from rear face of
connector insert. Size 20 contact, male
contact 0.040 inch [1.02 mm] mating
diameter. Female contact - PosiBand
closed entry design;
see page 1 for
details. For removable size 20 contacts,
see pages 79 & 80.
Connector Housing
(Shells):
Mounting Spacers
and Brackets:
Push-On Fasteners:
Size 20 Removable:
Jackscrew Systems:
DIMENSIONS ARE IN INCHES [MILLIMETERS].
ALL DIMENSIONS ARE SUBJECT TO CHANGE.
continued on next page. . . .
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igh
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SND SERIES
MILITARY / SPACE FLIGHT QUALITY
STANDARD DENSITY FIXED OR REMOVABLE CONTACTS
Positronic Industries
connectpositronic.com
TECHNICAL CHARACTERISTICS,
continued
continued from previous page. . . .
Contact Retention
in Connector Insert:
Resistance to
Solder Iron Heat:
Contact Terminations:
9 lbs. [40 N].
650˚F [350˚C] for 10 seconds duration
per IEC 60512-6, solder cup contacts.
Removable, closed barrel crimp - wire
sizes 18 AWG [1.0 mm
2
] through 30 AWG
[0.05 mm
2
].
Removable, closed barrel solder - wire
size 20 AWG [0.5 mm
2
] maximum; see
page 80 for details.
Fixed, solder cup - wire size 20 AWG [0.5
mm
2
] maximum; see
page 8 for details.
Straight solder printed board mount -
0.028 inch [0.71 mm] termination diame-
ter and 0.024 inch [0.61 mm] termination
diameter.
Right angle (90º) printed board mount -
0.028 inch [0.71 mm] termination
diameter for Inch System footprint, and
0.024 inch. [0.64 mm] termination
diameter for European Metric footprint.
Male connector housings may be dimpled
for EMI/ESD ground paths.
Trapezoidally-shaped connector
housings and polarized jackscrews.
Jackscrews and riveted fasteners with
0.120 inch [3.05 mm] clearance hole, and
threaded riveted fasteners with 4-40
thread and polyester lock inserts.
Locking Systems:
Mechanical Operations:
Rapid installation push-on fasteners and
mounting posts.
Jackscrews.
1,000 operations minimum per IEC
60512-5.
ELECTRICAL CHARACTERISTICS:
Contact Current Rating, Tested per UL 1977:
18 amperes, 2 contacts energized.
14 amperes, 6 contacts energized.
11 amperes, 15 contacts energized.
10 amperes, 25 contacts energized.
9 amperes, 50 contacts energized.
See temperature rise curves on page 2 for details.
Initial Contact Resistance:
Proof Voltage:
Insulation Resistance:
Clearance and Creepage
Distance:
Working Voltage:
0.004 ohms, maximum.
1,000 V r.m.s.
5 G ohms.
0.039 inch [1.0 mm], minimum.
300 V r.m.s.
Connector Housing
(Shells):
Polarization:
Mounting to
Angle Brackets:
CLIMATIC CHARACTERISTICS:
Temperature Range:
Damp Heat, Steady State:
-55˚C to +125˚C.
21 days.
Visit our website for the latest catalog updates and supplements at
http://www.connectpositronic.com/products/62/HighPerformanceD-subminiature/catalogs/
CONTACT VARIANTS
FACE VIEW OF MALE OR REAR VIEW OF FEMALE
1
2
3
4
5
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
10 11 12 13
6
7
8
9
9 10 11 12 13 14 15
14 15 16 17 18 19 20 21 22 23 24 25
SND 9
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19
SND 15
1
2
3
4
5
6
7
8
SND 25
9
10 11 12 13 14 15 16 17
18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
34
35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
SND 37
SND 50
For information regarding
REMOVABLE CONTACTS,
see contact illustration drawings and charts on pages 7785.
DIMENSIONS ARE IN INCHES [MILLIMETERS].
ALL DIMENSIONS ARE SUBJECT TO CHANGE.
6
SND SERIES
MECHANICAL CHARACTERISTICS, continued:
Mounting to
Printed Board:
SND SERIES
Positronic Industries
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MILITARY / SPACE FLIGHT QUALITY
STANDARD DENSITY FIXED OR REMOVABLE CONTACTS
STANDARD CONNECTOR HOUSING (SHELLS) ASSEMBLY
RECOMMENDED MATING DIMENSIONS
CRIMP REMOVABLE
SND SERIES
B
B1
E
C
A
0.375 [9.53]
Max.
NEW!
Shell Sizes 1 & 2 =
0.265±0.015 [6.73±0.38]
Shell Sizes 3, 4, 5 & 6 =
0.256±0.015 [6.50±0.38]
BOARD MOUNT
M
K
G
10° Typ.
0.050±0.010
[1.27±0.25]
H
D1
D
0.036±0.008
[0.91±0.20]
0.220 [5.59]
Max.
Ø0.120±0.005 [Ø3.05±0.13]
Mounting hole, two places
OPTIONAL CONNECTOR HOUSING ASSEMBLY (0, 02)
OPTIONAL CONNECTOR HOUSING ASSEMBLY
WITH UNIVERSAL FLOAT MOUNTS (F)
0.120±0.010 [3.08±0.25]
Ø0.120±0.005 [Ø3.05±0.13]
Mounting hole, two places
for stainless steel shell (0 option)
Ø0.154 [3.91] Mounting hole,
two places (02 option)
0.032 [0.81]
Total diametral float
Ø0.086+0.005 Ø2.18+0.13
-0.00
-0.000
Mounting hole, two places
[
]
M
±0.010
[0.25]
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]
CONNECTOR
VARIANT SIZES
GENDER
A
±0.015
[0.38]
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]
B
±0.005
[0.13]
B1
±0.005
[0.13]
0.666
[16.92]
C
±0.005
[0.13]
0.984
[24.99]
0.984
[24.99]
D
±0.005
[0.13]
D1
±0.005
[0.13]
0.329
[8.36]
E
±0.015
[0.38]
0.494
[12.55]
0.494
[12.55]
G
±0.010
[0.25]
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]
H
±0.010
[0.25]
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]
K
±0.005
[0.13]
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]
MALE
SND 9
(SHELL SIZE 1)
FEMALE
MALE
SND 15
(SHELL SIZE 2)
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]
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]
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]
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]
FEMALE
MALE
SND 25
(SHELL SIZE 3)
FEMALE
MALE
SND 37
(SHELL SIZE 4)
FEMALE
MALE
SND 50
(SHELL SIZE 5)
FEMALE
7
DIMENSIONS ARE IN INCHES [MILLIMETERS].
ALL DIMENSIONS ARE SUBJECT TO CHANGE.
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P
erformance
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SND SERIES
MILITARY / SPACE FLIGHT QUALITY
STANDARD DENSITY FIXED OR REMOVABLE CONTACTS
Positronic Industries
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SOLDER CUP TERMINATION
CODE 2
0.125 [3.18]
0.343 [8.71]
For solder contacts,
specify code 2 in step 4 of
the ordering information.
Fixed male and female polarized jackscrews available.
Specify Code T6 in step 7 of ordering information.
TYPICAL PART NUMBER:
SND15M200T2G
TYPICAL PART NUMBER:
SND15M200T6G
SND15S5R70T2G
(shown left)
SND25M10H0G
(shown middle)
SND9M000G
with
MC6020M
contacts
(shown right)
STRAIGHT SOLDER PRINTED BOARD MOUNT TERMINATION
CODE 3, 32 AND 36
NUMBER
3
32
36
NOTE:
*
1
CODE
Fixed female jackscrews
L
0.170 [4.32]
0.375 [9.53]
0.236 [6.00]
ØD
0.028 [0.71]
0.028 [0.71]
0.024 [0.61]
Swaged spacer with
push-on fastener
phosphor bronze
0.225 [5.72]
0.010 [0.25]
NOMINAL
L
ØD
*
1
Contact termination code as specified
in Step 4 of ordering information.
TYPICAL PART NUMBER:
SND25S3S60TG
DIMENSIONS ARE IN INCHES [MILLIMETERS].
ALL DIMENSIONS ARE SUBJECT TO CHANGE.
8
SND SERIES
SND SERIES
Positronic Industries
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erformance
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MILITARY / SPACE FLIGHT QUALITY
STANDARD DENSITY FIXED OR REMOVABLE CONTACTS
RIGHT ANGLE (90˚) PRINTED BOARD MOUNT TERMINATION
C
Ø0.125
[3.18]
Typ.
CODE 42, 0.370 [9.40] CONTACT EXTENSION
SND**42**** 0.370 [9.40] CONTACT EXTENSION
SND SERIES
9
PART NUMBER
SND9*42****
A
1.204
[30.58]
1.532
[38.91]
2.072
[52.63]
2.720
[69.09]
2.626
[66.70]
B
0.984
[24.99]
1.312
[33.32]
1.852
[47.04]
2.500
[63.50]
2.406
[61.11]
C
0.420
[10.67]
0.420
[10.67]
0.420
[10.67]
0.420
[10.67]
0.470
[11.94]
Fixed
female
jackscrews
B
±0.008
[0.20]
SND15*42****
A
SND25*42****
SND37*42****
SND50*42****
Specify code 42
in step 4 of
ordering information
0.370 [9.40]
0.100 [2.54]
Numbering shown is rear view
of male and face view of female.
0.100 [2.54]
0.100 [2.54]
0.370 [9.40]
15
1
0.197 [5.00]
Nominal
TYPICAL PART NUMBER:
SND25M42B30T2G
Ø0.024 [0.61]
TYPICAL PART NUMBER:
SND50M42B30TG
RIGHT ANGLE (90˚) PRINTED BOARD MOUNT TERMINATION
C
CODE 5, 0.283 [7.19] CONTACT EXTENSION
SND**5**** 0.283 [7.19] CONTACT EXTENSION
PART NUMBER
SND9*5****
A
1.204
[30.58]
1.532
[38.91]
2.072
[52.63]
2.720
[69.09]
2.626
[66.70]
B
0.984
[24.99]
1.312
[33.32]
1.852
[47.04]
2.500
[63.50]
2.406
[61.11]
C
0.339
[8.61]
0.339
[8.61]
0.339
[8.61]
0.339
[8.61]
0.395
[10.03]
Fixed
female
jackscrews
B
±0.008
[0.20]
SND15*5****
A
SND25*5****
SND37*5****
SND50*5****
0.112 [2.84] Typ.
Specify code 5
in step 4 of
ordering information
0.283 [7.19]
0.112 [2.84]
Typ.
Numbering shown is rear view
of male and face view of female.
0.112 [2.84] Typ.
0.283 [7.19]
13
25
12
24
11
23
10
22
9
21
8
20
7
19
6
18
5
17
4
16
3
15
2
14
1
0.160 [4.06]
Nominal
TYPICAL PART NUMBER:
SND25M5R7NT2G
Push-on fastener
beryllium copper
Ø0.028 [0.71]
TYPICAL PART NUMBER:
SND50S5R7NTG
DIMENSIONS ARE IN INCHES [MILLIMETERS].
ALL DIMENSIONS ARE SUBJECT TO CHANGE.
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