High Frequency Contacts - ECCO, Electronic Connector Company ...

Insert Arrangements - MIL-DTL-38999, Series III
Incorporating Quadrax & Differential Twinax Contacts
Amphenol
Aerospace
This illustrated list ing represents the most readily available patterns incorporating quadrax and differential twinax contacts within
D38999, Series III connectors. If you require other arrangements than what are shown here, consult Amphenol for further
availability. In most cases, unless otherwise stated, size 8 cavities can be filled with quadrax or differential twinax contacts.
Arrangements can be mixed with any size 8 coax, and/or concentric twinax or triax contacts.
Front face of pin inserts illustrated
38999
III II I SJT
P
P
N
M
L
K
R
S
N U
M
L
R
J
T
K
A
S
H
T
U
J
G
A
H
D
B
B
F
CONTACT LEGEND
C
E
C
D
V E
F
G
17
1
30
11
6
D
V f A
16 1
U
W
C
P
B
B
14 15 2 3
13
A
4
h
g
12
5
11 8
S
N K
E
K
F
10 7
R M
9 8
E
D
F
A
A
C
C
B
B
1
6
A
B
16
7
15
18
19
21
22
24
26
32
33
28
29
41
42
46
53
59
60
64
D
C
67
68
78
72
74
76
8
1
2
7
9 3
10
6 4
5
Insert Arrangement 9-5 17-2 17-22 17-52 17-60
Number of Contacts 1 38 1 2 2 2 8 2
Contact Size 8 22D 8 Twinax 12 8 8 22D 8
Grounded
Meets Boeing
Specification
Insert Arrangement 19-18 19-31 19-AB 19-AD 21-75
Number of Contacts 14 4 12 1 2 4 16 1 4
Contact Size 22D 8 22D 12 8 8 20 8 8
Note: 19-AB same as
19-18 but no 22D contacts.
Ground plane only.
81
82
84
79
25 75
Insert Arrangement 21-79 23-6 25-7
Number of Contacts 17 2 6 97 2
Contact Size 22D 8 8 22D 8
93
85
99
94
A
B
26482 83723 III 5015
Matrix 2
Matrix Pyle
Crimp Rear
Release Matrix
26500 Pyle
Printed
Circuit Board
EMI Filter
Transient
Fiber Optics
High Speed
Contacts
Options
Others
8 10 12 16 20 22D
Quadrax or
Differential Twinax
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com 395