Amphenol
SJT Series
TABLE OF CONTENTS
Amphenol SJT Connectors -
Scoop-Proof Design of LJT Series & Standard Mounting Dimensions
of JT Series - Meet European Specification Applications
• Features, Specifications . . . . . . . . . . . . . . . . . . . 98
• How to Order, Alternate Rotations . . . . . . . . . . . . . . . 99
• Insert Availability and Identification . . . . . . . . . . . . . . . 100
SJT Shell Styles:
• Crimp Wall Mounting Receptacle SJT00RT, Crimp Wall Mounting
Receptacle for Back Panel Mounting SJTP00RT . . . . . . . . . 101
• Crimp Box Mounting Receptacle for Back Panel Mounting SJTP02RE,
Crimp Jam Nut Receptacle SJT07RT . . . . . . . . . . . . . . 102
• Crimp Straight Plug SJT06RT, Crimp Straight Plug with
Grounding Fingers SJTG06RT . . . . . . . . . . . . . . . . 103
• Hermetic Solder Mounting Receptacle SJTIY, Hermetic Jam Nut
Receptacle SJT07Y . . . . . . . . . . . . . . . . . . . . . 104
• Accessories, Contacts, and Tools see 38999 Accessories section 118, 119
• Accessories continue . . . . . . . . . . . . . . . . . . 122-124
SJT Typical Markets:
• Military & Commercial Aviation (older designs)
• Applications Complaint with European Specifications:
PAN6433-2, LN29729, VG96912
• Military Vehicles
Amphenol
Aerospace
97
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Amphenol
Aerospace
38999
III
HD
Dualok
II
I
SJT
Amphenol SJT
Features, Specifications
Amphenol
®
SJT connectors combine unique design features of the
scoop-proof LJT series within standard mounting dimensions of JT types.
Available in a wide range of shell sizes, finishes, insert arrangements
and accessories.
Standard connectors use aluminum shells. Standard plating on shell components is
cadmium over nickel with many optional finishes available. A dependable 5-key/keyway shell
polarization with bayonet-lock coupling is incorporated to aid and assure positive mating.
The insert material is a high-temperature, rigid dielectric polymer providing excellent electrical characteristics.
A fluorinated silicone interfacial seal is featured on the mating face of the pin inserts, assuring complete
electrical isolation of the pins when connector halves are mated. Contrasting letter or number
designations are used on the insert faces. A main joint gasket is installed in the receptacles
SJT features:
for moisture sealing between connector halves.
• 100% scoop-proof design – basic
MIL-DTL-38999 Series I* lengths
Serrated and threaded shells, with a moisture sealing pilot for back shells, accept a wide
range of accessories.
Hermetic seal receptacles are available in carbon steel or stainless steel shells.
• Standard mounting dimensions
– MIL-DTL-38999, Series II**
dimensions
Components
A
ccessories
A
quacon
H
erm/Seal
PCB
HIgH
SPeeD
Fiber
Optics
Connectors
Contacts
Cables
eMI Filter
Transient
• Compliance with European
Rear insertable/rear release crimp contacts are standard in SJT connectors. Power contacts
Specifications – PAN6433-2,
are available in sizes 10, 12, 16, 20, 22M and 22D. All socket contacts are probe proof.
LN29729, VG96912
Standard contact plating is 50 mµ minimum gold. Coaxial contacts are available in sizes 8, 12
and 16 to accommodate a wide range of coaxial cables; see Coaxial contact information in the
High Speed Contact section of this catalog. Size 8 and 12 Twinax contacts are also available; see
Concentric Twinax contact information in the High Speed Contact section of this catalog.
Contacts
Optional Features
Special adaptations of the SJT are available for hermetic and high temperature applications. The SJTS high
temperature con ector is rated at 392°F. SJT hermetic receptacles are described on page 104.
n
Matrix 2
26482
Special types are available, such as connectors less contacts and circular rack and panel connectors with
solderless wrap contacts. A complete listing of connector types, shell styles and service classes appears on
page 99, How to Order.
For further informa ion on special application requirements, contact an Amphenol Sales Person or visit
t
www.amphenol-aerospace.com for more information.
*MIL-DTL-38999 Series I supersedes MIL-C-38999 Series I.
**MIL-DTL-38999 Series III supersedes MIL-C-38999 Series III.
Specials
83723 III
26500
Pyle
Matrix|Pyle
CONTACT RATING
Crimp Rear
Release
Matrix
Test Current
Contact
Size
Standard
Hermetic
22M
3
2
22D
5
3
22
5
3
20
7.5
5
16
13
10
12
23
17
10 Power
33
NA
* When using silver plated wire
Maximum
Millivolt
Drop Crimp*
45
73
73
55
49
42
33
Maximum
Millivolt Drop
Hermetic
60
85
85
60
85
85
NA
Crimp Well Data
Contact
Size
22M
22D
22
20
16
12
10 (Power)
Well
Diameter
.028 ±.001
.0345 ±.0010
.0365 ±.0010
.047 ±.001
.067 ±.001
.100 ±.002
.137 ±.002
Min.
Well Depth
.141
.141
.141
.209
.209
.209
.355
Back-
Shells
22992
Class L
5015
SERVICE RATING**
Suggested Operating Voltage
(Sea Level)
Service
Test Voltage
Test Voltage
Test Voltage
Test Voltage
Rating
AC (RMS)
DC
(Sea Level)
50,000 Ft.
70,000 Ft.
110,000 Ft.
M
400
550
1300 VRMS
550 VRMS
350 VRMS
200 VRMS
N
300
450
1000 VRMS
400 VRMS
260 VRMS
200 VRMS
I
600
850
1800 VRMS
600 VRMS
400 VRMS
200 VRMS
II
900
1250
2300 VRMS
800 VRMS
500 VRMS
200 VRMS
** Please note that the establishment of electrical safety factors is left entirely in the designer’s hands, since he is in the best possible
position to know what peak voltage, switching surges, transients, etc., can be expected in a particular circuit.
Options
Others
98
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SJT
How to Order, Alternate Rotations
Amphenol
Aerospace
38999
5.
Contact Type
Easy Steps to build a part number... SJT
1.
2.
00
3.
4.
6.
Alternate Keying
Position
7.
Finish
Variations Suffix
Connector Type
SJT
Shell Style
Service Class
Shell Size-
Insert Arrangement.
SJT
RT
18-66
P
A
(XXX)
Step 1.
Select a Connector Type
Designates
Step 6.
Select an Alternate Keying Position
A plug with a given rotation letter will mate with a receptacle with the
same rotation letter. The AB angle for a given connector is the same
whether it contains pins or sockets. Inserts are not rotated in
conjunction with the master key/keyway.
AB angles shown are viewed from the front face of the connector. A
recep acle is shown below. The angles for the plug are exactly the
t
same, except the direction of rotation is opposite of that shown for the
receptacle.
SJT
SJTS
SJTG
SJTP
Standard scoop-proof Junior Tri-Lock Connector
High Temperature Connector
Plug with Grounding Fingers
Back Panel Mounted
III
HD
Dualok
II
I
SJT
A
ccessories
A
quacon
H
erm/Seal
PCB
HIgH
SPeeD
Fiber
Optics
Contacts
Connectors
Step 2.
Select a Shell Style
Designates
Key/Keyway Rotation
AB ANGLE OF ROTATION (Degrees)
Shell Size
8
10
12
14
16
18
20
22
24
Normal
95
95
95
95
95
95
95
95
95
A
81
75
74
77
77
77
80
80
B
67
63
61
65
65
65
69
69
C
123
127
129
125
125
125
121
121
D
109
115
116
113
113
113
110
110
Cables
00
06
07
I
Wall Mount Receptacle
Straight Plug
Jam Nut Receptacle
Solder Mount Receptacle – Hermetic
eMI Filter
Transient
Matrix 2
26482
Step 3.
Select a Service Class
Designates
83723 III
Matrix|Pyle
Y
For hermetic applications. . . Fused compression glass
sealed inserts. Leakage rate less than 1.0 x 10
-6
cc/sec.
at 15 psi differential; with interfacial seal.
For environmental applications – supplied without
rear accesso ies. Design provides serrations on rear
r
threads of shells with mois ure sealing pilot for back
t
shells.
RELATIVE POSSIBLE
POSITION OF
ROTATED MASTER
KEYWAY
(front face of
receptacle shown)
26500
Pyle
RT
For additional information defining complete description of service
class, consult Amphenol.
Crimp Rear
Release
Matrix
5015
Step 4.
Select a Shell Size & Insert
Arrangement from chart on pg. 100.
To view Insert Arrangement illustrations
see pgs. 10-17.
Shell Size & Insert Arrangements are together in one chart.
First number represents Shell Size, second
number is the Insert Arrangement. Only selected
illustrations are available for SJT on pages 10-17. Please
refer to chart on page 100 for select Insert Arrangements.
Step 7.
Select a Finish Variation Suffix
FINISH DATA
Aluminum Shell Components Non-Hermetic
Finish
Bright Cadmium Plated Nickel Base
Anodic Coating (Alumilite)
Chromate Treated (Iridite 14-2)
Olive Drab Cadmium Plate Nickel Base
Electroless Nickel Coating
Suffix
Indicated Finish
Standard for SJT Types
22992
Class L
SJT/SJTG
(005)
(011)
(014)
(023)
Back-
Shells
Options
Others
Step 5.
Select a Contact Type
Designates
Hermetic Connectors
Carbon Steel Shell, Tin Plated Shell and
Contacts
Stainless Steel Shell, Gold Plated
Contacts
Consult
Amphenol
P
S
Pin Contacts
Socket Contacts
SJT( )Y
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99
Amphenol
Aerospace
38999
III
HD
Dualok
II
I
SJT
Shell
Size
8-6
8-35
8-44
8-98
10-2
10-4
10-5
10-13
10-35
10-98
12-4
12-8
12-22
12-35
12-98
14-5
14-15
14-18
14-19
14-35
14-37
14-97
16-2
16-6
16-8
16-13
16-26
16-35
16-42
16-55
16-99
18-11
18-32
18-35
18-66
20-1
20-2
20-11
20-16
20-35
20-39
20-41
20-75
20-79
22-1
22-2
22-21
22-35
22-53
24-1
24-2
24-4
24-7
24-11
24-19
24-20
24-24
24-29
24-35
24-37
24-43
24-46
24-61
SJT
Insert Availability and Identification
Service
Total
Rating Contacts
M
M
M
I
I
I
I
M
M
I
I
I
M
M
I
II
I
I
I
M
M
I
M
I
II
I
I
M
M
M
I
II
I
M
M
M
M
I
II
M
I
I
M
II
M
M
II
M
I
M
M
I
M
N
I
N
I
I
M
I
I
I
I
6
6
4
3
2
4
5
13
13
6
4
8
22
22
10
5
15
18
19
37
37
12
39
6
8
13
26
55
42
55
23
11
32
66
66
79
65
11
16
79
39
41
4
19
100
85
21
100
53
128
100
56
99
11
19
30
24
29
128
37
43
46
61
23
40
61
10
13***
12
29
37
20
4
2††
17
100
85
21
100
53
128
100
48
97
2
19
4
12
3
9
8
2**
13
13
6
4
8
22
22
10
14
18
19
37
37
8
38
6
8
13
26
55
42
55
21
32
66
66
79
65
11
16
79
37
41
2
4††
2†
2
11
4
1**
5
1
4
5
Crimp
X
X
X
X
X
Hermetics*
Class Y
22D
22M
6
22
20
Contact Size
16
12
12
10
8
(Coax) (Power) (Coax)
8†††
(Twinax)
6
4
3
2
✦
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
A
ccessories
A
quacon
H
erm/Seal
PCB
HIgH
SPeeD
Fiber
Optics
Connectors
X
Contacts
Cables
X
X
X
✦
X
X
eMI Filter
Transient
✦
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Matrix 2
26482
X
83723 III
Matrix|Pyle
X
X
X
X
26500
Pyle
✦
✦
X
X
X
X
X
X
X
X
X
X
Crimp Rear
Release
Matrix
5015
X
22992
Class L
✦
X
✦
X
X
X
X
Back-
Shells
128
Options
Others
✦
✦
X
✦ Not tooled for 02-RE
* Pin inserts only (contact Amphenol for socket availability).
** twinax contacts for MIL-C-17/176-00002 cable.
*** Two size 16 contacts dedicated to fiber optics. Consult Amphenol
or Fiber Optic Section for more information.
† Must be ordered separately
†† Coax Contacts for RG180 or RG195 cable.
††† Size 8 Coax and Twinax are interchangeable.
For availability of size 12 twinax contacts, consult
Amphenol Aerospace.
100
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SJT00RT – Crimp
Wall Mounting Receptacle
PART #
SJT
Amphenol
Aerospace
*To complete, see how to order pages 99.
Connector Shell Service Shell Size
Contact Alternate Special
Type
Style Class & Insert Arrg
Type Positions Variations
38999
00
RT
X-X
X
X
(XXX)
Note: Standard wall mount may be back panel mounted where panel
thickness does not exceed these dimensions. For thicker panel
applications, SJTP00RT should be used.
Shell
Size
8
10
12
14
16
18
20
22
24
L
Max
.500
.500
.500
.500
.500
.500
.500
.500
.550
M
+.000
–.005
.632
.632
.632
.632
.632
.632
.602
.602
.602
V Thread Modified
R
(TP)
.594
.719
.812
.906
.969
1.062
1.156
1.250
1.375
S
±.016
.812
.938
1.031
1.125
1.219
1.312
1.438
1.562
1.688
T
±.005
.120
.120
.120
.120
.120
.120
.120
.120
.147
Class 2A
UNEF (Plated)
.4375-28
.5625-24
.6875-24
.8125-20
.9375-20
1.0625-18
1.1875-18
1.3125-18
1.4375-18
Modified
Major Dia.
.421 –
.542 –
.667 –
.791 –
.916 –
1.034 –
1.158 –
1.283 –
1.408 –
.417
.538
.663
.787
.912
1.030
1.154
1.279
1.404
N
+.001
–.005
.473
.590
.750
.875
1.000
1.125
1.250
1.375
1.500
P**
Max
.117
.117
.117
.117
.117
.117
.087
.087
.055
III
HD
Dualok
II
I
SJT
A
ccessories
A
quacon
H
erm/Seal
PCB
SJT00RT
HIgH
SPeeD
Fiber
Optics
Contacts
Cables
Connectors
eMI Filter
Transient
SJTP00RT – Crimp
Wall Mounting Receptacle
(Back Panel Mounting)
PART #
SJTP
To complete, see how to order pages 99.
Connector Shell Service Shell Size
Contact Alternate Special
Type
Style Class & Insert Arrg
Type Positions Variations
Matrix 2
26482
00
RT
X-X
X
X
(XXX)
83723 III
Matrix|Pyle
Pyle
26500
SJTP00RT
Crimp Rear
Release
Matrix
Class L
5015
22992
F
Shell +.000
Size –.005
8
10
12
14
16
18
20
22
24
.609
.609
.609
.609
.609
.609
.609
.609
.750
K
M
+.006
L
+.000
–.000 Max. –.005
.945
.945
.945
.945
.945
.945
.945
.945
1.085
.539
.539
.539
.539
.539
.539
.539
.539
.493
R
(TP)
S
+.011
T
Z
–.010 ±.005 ±.031
.120
.120
.120
.120
.120
.120
.120
.120
.147
.062
.062
.062
.062
.062
.062
.062
.062
.078
V Thread
Class 2A
(Plated)
UNEF
.4375-28
.5625-24
.6875-24
.8125-20
.9375-20
1.0625-18
1.1875-18
1.3125-18
1.4375-18
P
Dia.
+.001
W
–.005 Max.
.516
.633
.802
.927
1.052
1.177
1.302
1.427
1.552
.812
.812
.812
.812
.812
.812
.812
.812
.781
G
Max.
.345
.345
.345
.345
.345
.345
.345
.345
.452
.860 .594 .812
.860 .719 .938
.860 .812 1.031
.860 .906 1.125
.860 .969 1.219
.860 1.062 1.312
.860 1.156 1.438
.860 1.250 1.562
1.000 1.375 1.688
Back-
Shells
Options
Others
All dimensions for reference only.
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
101
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