Amphenol Socapex │ USBFIELD™
CONTACTS ARRANGEMENTS
MIL-DTL-38999 HD arrangements and EN3645 Quadrax and/or grounded arrangements are given for information only. Not qualified. Amphenol designation only .
As stated in MIL-DTL-38999 standard, insert arrangements using multi-axial contacts (Coax. Twinax. Quadrax....) should not be used in firewall applications .
HD , Quadrax & differential Twinax arrangements are not rated over 175°C.
Differential Twinax or Quadrax
Power contacts
Coax or Twinax
HD
G
Q
Y
L
Ground plane version available
Quadrax available
Hermetic available
Lanyard release plug available
23 22D 20 16 12 8 4 00 0000
16, 12, 8
High density
Front face of pin insert shown, master keyway illustrated.
L
Q
Y L
S
S T
A
A
A
V
R
A
S T
B
R
U f
B
B
e j
W
T
P
R
U
C
d
V
U
U
C
B
C
d
d
C
P
V
e
P
c
N
e
W
c
V
D
W
D E
N
D
g
c
h
g
b
N
M
X
b
g
f
X
Z
E
W
a
E
M
M
h
b
L
Y
a
Y
N
Z Y X
F
F
K E
L
Z
a
F
S
L
K
G K J H
G
K
J H G
R
M
J H
19-28 18-28 19-28 F28
19-30 18-30
19-31
19-32 18-32 F32 FN32
Series III/TV-CTV
/ / / /
Series II/JT
/ / /
19-32 (19-32)
Series I/LJT (HE308) MIL-DTL-38999 Series III
/
EN3645
26 20
2
29 20
1
12
1
2
32 20
Total contacts Contact size
18 19
16
16
22D 12 8 Coax
Y L
HD
25
34
43
10 17
51
4
58
64
1
2
65
3
66
Series III/TV-CTV MIL-DTL-38999, Series I LJT, II JT, III TV, HD Insert Arrangements 19-35 18-35 19-88 Series II/JT 9 16 24 33 42 50 57 63
/ /
19-35 (19-35)
Series I/LJT (HE308) MIL-DTL-38999 Series III
F35 FN35
F23
/
Front face of pin inserts illustrated
EN3645
66
88 23
Total contacts Contact size
22D
Y L
Q
G
Q
Y L
G
1
A
19
A
J
2
A
M
L
18
R
A
B
R
B
J
L
B
A
A
3
L
A
C S
20
C
25
P
P
K
C
16 17
K
H
R N P a
H
M
B
K
M
B
4
S
X
W
B
S
V
B
T
D
D
L M N
S
N
5
M N
Y
K
Y Z
b
K
J
T
J
N
G
C
W
C
G
C
15
C
L
E
6
E
c
d
Z
R
P
b
27 26
24
21
U
L
H
D
S
22
U
14
a
R
U
V
23
P
F
D
F
L
X
T
F
7
13
D
H
D
D
V
J
G
F
E
W
12
F
8
E
K
E
K
G
G
E
H
G
Shell Size & Insert Arrg. for: Series II JT
J H
E
F
G F
11 10
J H
9
21-11
21-16 20-16 G16 GN16
21-AJ (21-20)
21-29
Series III/TV-CTV
20-11 21-11 21-11
20-16 21-16 21-16
/
/ / /
/ /
Series II/JT
21-11 G11 GN11
21-16 (21-16)
Series I LJT Series III TV
21-25
21-27
Series I/LJT (HE308) MIL-DTL-38999 Series III
G29 21-29
GN20
/
EN3645
I
II
I
I
I
Total contacts Contact size Number of Contacts Service Rating
11 12
16 16
18 20
2
19 4 20 16 19
4
11 12
16 16
25 20
8 Twinax 27
4
4
12
20 21
20
20 16 12
Contact Size
Y L
Y L
Y L
W
1
A B
A
V W
A
V
B
U
X
31
j
C
X k
U
j
C
51
Y
T
Y
i
k
D
T
i
s
D
Z
B
Z
D
S
r
m
E
h
m
h
a
S
t
E
a
r
79
21
g
A F
R
F
n
1
q
n
g
A
T
R
b
W
W
b
C
S
p
B
A
q
G
V
71
B
f
P
V
B
61
j c
G
U
R
C
C
c
p
P
f
U
N
X
31
e
C
H
X
T
d
51
d
Y
j
e
D
H
M
Y
41
N
P
D
T
D
J
U V
k
i 11
i
S
L
Z
D J M L K
k
s
Z
K
A
E
m n
S
h
a
E
t
79
r
m
21
h
a
r
R
F
g
21-35 20-35 G35 GN35
N 21-39 P 20-39 R 21-39 g G39
C 21-41 20-41 21-41 G41 GN41
J 21-48
b
q
n
E
Series III/TV-CTV
N
B
71
p
b
q
P
c
61
/
F
f
G
Series II/JT
c
F
d
N
M
p
f
G
e
M 21-35 (21-35)
L 21-48 (21-48)
G
e d
Series I/LJT (HE308)
H
41
11
H
Shell Size & Insert Arrg. for: Series II JT EN3645 Series I LJT Series III TV Service Rating
K
H
J
/ /
J
M
MIL-DTL-38999 Series III
L K
L K
/
79
37 20
2
41 20
4
Total contacts Contact size
20-35 21-35 21-35
20-39 21-39 21-39
20-41 21-41 21-41
22D
16
8 Power only P
21-75 21-75
21-79 21-79
M
1
I
N
II
79 P Male version to be used with 900198 power contacts only Delivered with Twinax contacts for simple braid cable (M17/1760002. AECMA Pr EN3375-003. Raychem 10612. EPD44690. EPD44691) / Not applicable 37 2 41 20 4 22D 20 16 (See Note)
17 (See Note)
Number of Contacts
22D
Contact Size
www.amphenol-socapex.com Due to technical modifications, all information provided is subject to change without prior notice Designed by Amphenol Socapex 25 46 67
29
23
A
20
1
5
56
35
39
58
16
77
48
12
67
86
8
6
13
A
14
22
94
K
B
5
1
75
23
32
2
1
82
95
B
E
33
43
3
96
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