E
Twinax and Quadrax
Connectors
257-616
Twinax and Quadrax PC Tail Contacts
MIL-DTL-38999 Series III Type
For common ground
option (Coax, Twinax
and Quadrax replace
“–” with
G
Basic Part Number
257-616
=
D38999 Series III Type
Quadrax/Coax Connector
Shell
Size
Insert Arr.
Dash No.
See Table II
Alternate Key
Position Per MIL-
DTL-38999
A, B, C, D, E,
N
= Normal
257-616
NF
-
17
Material/Finish
(See Table II)
C
-
8
S
N
Contact Type
(If Any)
C
=
Coax Contact
Q
= Quadrax Contact
Insert Designator
S
=
Socket (including 100
OHM Quadrax)
P
= Pin (including 100
OHM Quadrax)
C
= Pin, 150 OHM Quadrax
D
= Socket, 150 OHM
Quadrax
TABLE I: DIMENSIONS
Shell
Size
Code
A
B
C
D
E
F
G
H
J
Shell
Size
9
11
13
15
17
19
21
23
25
A Thread
.6250.1P-.3L-TS-2A
.7500-.1P-.3L-TS-2A
.8750-.1P-.3L-TS-2A
1.0000-.1P-.3L-TS-2A
1.1875-.1P-.3L-TS-2A
1.2500-.1P-.3L-TS-2A
1.3750-.1P-.3L-TS-2A
1.5000-.1P-.3L-TS-2A
1.6250-.1P-.3L-TS-2A
B Sq
In
1.015
1.005
1.015
1.005
1.218
1.186
1.286
1.254
1.366
1.334
1.449
1.425
1.575
1.545
1.701
1.677
1.823
1.799
mm
25.78
25.53
25.78
25.53
30.94
30.12
32.66
31.85
34.70
33.88
36.80
36.20
40.01
39.24
43.21
42.60
46.30
45.69
In
.719
.812
.906
.969
1.062
1.156
1.250
1.375
1.500
C Bsc
mm
18.26
20.62
23.01
24.61
26.97
29.36
31.75
34.93
38.10
.171
.083
(4.34)
(2.11)
.791
.736
(20.09)
(18.64)
D
E
ØG
0.656
0.796
0.921
1.047
1.219
1.296
1.421
1.547
1.672
16.66
20.22
23.39
26.59
30.96
32.92
36.09
39.29
42.47
.125
(3.18)
Min
J Holes
Table II: Material and Finish
Symbol
M
MT
NF
Aluminum
Material
Finish Description
Electroless Nickel
Nickel-PTFE
Cadmium O.D. Over
Eletroless Nickel
© 2014 Glenair, Inc.
www.glenair.com
CAGE CODE 06324
Rev. Aug. 2014
Printed in U.S.A.
E-Mail: sales@glenair.com
GLENAIR, INC.
•
1211 AIR WAY
•
GLENDALE, CA 91201-2497
•
818-247-6000
•
FAX 818-500-9912
E-22
257-616
Twinax and Quadrax PC Tail Contacts
MIL-DTL-38999 Series III Type
2x C Bsc
See Note 3
Master
Keyway
A Thread
1.240 Max
E
D
Clinch Nut (4 Places)
Design Optional
See Note 2
Potting
Compound
B Sq
Ø.020 (0,508)
For Size #22D
Ø.028 (0,70)
For Size #20
4x M3 X 0.5-6g
.005
Clinch Nut
4 Places
C
M
.510 Max
Fully Mated
Indicator Band Red
.510
(12,95)
.276 (7,0)
PC Tail Dim Applies
To All Contacts.
4x Ø J Holes
.005
M
G Min
Ø.063 (1,60)
For Size #16
Ø.095 (2,41)
For Size #12
(See Separate
Details For
Coax, Twinax,
and Quadrax PC
Tail Configurations)
Back Panel
Mounting
Recommended Mounting Holes
Max Panel Thickness .197 (5,0)
(See Table I)
© 2010 Glenair, Inc.
www.glenair.com
CAGE CODE 06324
Rev. Aug. 2014
Printed in U.S.A.
E-Mail: sales@glenair.com
GLENAIR, INC.
•
1211 AIR WAY
•
GLENDALE, CA 91201-2497
•
818-247-6000
•
FAX 818-500-9912
E-23
Twinax and Quadrax
Connectors
E
E
Twinax and Quadrax
Connectors
257-616
Twinax and Quadrax PC Tail Contacts
MIL-DTL-38999 Series III Type
COAX CONTACT
.276
Ø .113 Max
Connector Main
Keyway
.025
Outer Body
PC Tail
Ø.020Center
Contact
Rear View PC Tail
Ø.040 Min
Ground
Connector Main
Keyway
.040
Size #16 Coax Contact, Socket, PC Tail Detail
Interface Per M39029/77
.021x.025
4x
Ø.025 Min
Recommended .0375
Center
Coax PCB Layout
TWINAX CONTACT
.276
Connector Main
Keyway
4x
Ø.035 Min
Connector Main
Keyway
45°
Ø.250 Bc
2xø.025
Size #8 Concentric Twinax Pin, PC Tail Detail
Interface Per M39029/90
.0715
Rear View
Ø.030
Intermediate
Contact
.0715
Ø.030 Min
Center Contact
Recommended PCB Layout
For Size 8 Twinax
Connector Main
Keyway
2x, Outer Contact
Connector Main
Keyway
2x
Ø.040 Min
Outer Contact
Ø.035 Min
Intermediate
Contact
.042
.035
Recommended PCB Layout
For Size 12 Twinax
Connector
Main Keyway
.250
(Cl Of Ground Legs)
1
Intermediate
Contact
Ø.025 Min
Center Contact
.025
.276
Center Contact
.025 Ø.020
Rear View
.168
Size #12 Concentric Twinax, Socket, PC Tail Detail
(Not To Scale)
QUADRAX CONTACT
.111 Typ
.219
Ø .217
.276
Ø.039 Min
4x Equally
Spaced
45°
1
Connector
Main Keyway
Ø.250 Bc
45°
2
2
4
Mates With
Ø.219/.217
Pin
.276
3
.021 X .025
Ø.023/.027
Ø.030 Min
3
Typ
4x
.111
.111
Typ
Typ
Detail A
Recommended PC Board Layout
Rear View Of Differential Quadrax
Pin Contact Shown.
Pin Contact (Rear) Shown
(Skt Contact Pin 2 & 4 Opposite)
Pin No's Are For Ref Only And Shall
Not Be Marked.
(Ref: Diferential Pairs: 1 & 3; 2 & 4)
4
Socket
© 2010 Glenair, Inc.
www.glenair.com
CAGE CODE 06324
Rev. Aug. 2014
Printed in U.S.A.
E-Mail: sales@glenair.com
GLENAIR, INC.
•
1211 AIR WAY
•
GLENDALE, CA 91201-2497
•
818-247-6000
•
FAX 818-500-9912
E-24
MIL-DTL-38999 Series III Type Insert Arrangements
TABLE II: INSERT ARRANGEMENTS
257-616
Twinax and Quadrax PC Tail Contacts
(not all arrangements shown, other arrangements available upon request)
E
A
D
B
C
Arrangement 9-5
Available Only 9G5 (Common Ground Option)
Size 8 Concentric Twinax
Arrangement 09QG05
(Common Ground Option Only)
Size 8 Quadrax Contact
Arrangement 11-5
Size 20 Contact
5 Places
A
L
A
1
E
M
K
J
T
S
H
G
F
U
N
P
R
B
C
31
21
D
F
B
D
E
C
Arrangement 15-18
Size 20 Contact
18 Places
A
Arrangement 15-35
Size 22D Contact
37 Places
Arrangement 17-6
Size 12 Contact
6 Places
R
P
A
B
C
E
A
D
F
B
F
G
B
H
C
N
Y
S
T
U
D
Z
E
M
L
X
W
V
F
C
E
D
K
J
H
G
Arrangement 17t-6
17TG6(Common Ground Option)
Size 12 Twinax Contact, 6 Places
Arrangement 17C-8
17CG8 (Common Ground Option)
Size 16 Coax Contac, 8 Places
A
Arrangement 17-99
Size 16 Skt Contact, 2 Places
Size 20 Skt Contact, 21 Places
A
G
B
H
D
A
E
B
F
D
C
B
C
C
D
E
Arrangement 21Q-75
Size 8 Gage Quadrax, 4 Places
U
T
a
b
S
R
p
Z
P
n
q
r
w
v
m
k
u
c
d
s e
t
f
g
h
W
G
F
Arrangement 23Q-05
Size 8 Quadrax, 5 Places
25
Arrangement 25Q-08
Size 8 Gage Quadrax, 8 Places
36
48
59
71
82
94
105
115
122
A
B
C
V
D
1
8
15
E
4
125
7
128
14
121
24
35
47
58
70
81
93
114
104
N
M
Y
K
X
H
L
J
Arrangement 25Q-17
Size 22D Contact, 36 Places
Arrangement 25-35
Size 22D Contact, 128 Places
© 2010 Glenair, Inc.
www.glenair.com
CAGE CODE 06324
Rev. Aug. 2014
Printed in U.S.A.
E-Mail: sales@glenair.com
GLENAIR, INC.
•
1211 AIR WAY
•
GLENDALE, CA 91201-2497
•
818-247-6000
•
FAX 818-500-9912
E-25
Twinax and Quadrax
Connectors
E
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
