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Lemo's Environmentally Sealed Connectors - LEMO - #39

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LEMO USA • 800-444-5366 • www.LEMOusa.com
Technical characteristics for coax contacts
Surface
Component
Material
Treatment
Cu Ni Au
Coaxial, Type D
In this type, the coaxial is removable and fixed in place by clips. The conductor is soldered and the shield is crimped.
1 Male Sleeve
Brass (UNS C 38500)
0.5
3
1.5
2 Insert
PTFE (UNS D 1457-83)
-
-
-
3 Male Contact
Brass (UNS C 38500)
0.5
3
1.5
4 Female Sleeve
Bronze (UNS C 54400)
0.5
3
2.0
5 Insert
PFTE (UNS D 1457-83)
-
-
-
6 Female Contact
Bronze (UNS C 54400)
0.5
3
2.5
7 Insulating Sleeve
PTFE (UNS D 1457-83)
-
-
-
8 Crimp Nuts
Brass (UNS C 38500)
0.5
3
1.5
9 Crimp Ferrule
Brass (UNS C 18700)
0.5
3
-
10 Clips
Brass (UNS C 38500)
-
-
-
Characteristics
Unit
Coax Type A
Coax Type A1
Coax Type B
Coax Type C
Coax Type D
Impedance
C
50
75
50
50
75
50
75
Test voltage at 50 Hz
AC
1800
2300
800
800
2100
1600
1000
Rated current
A
12
7
5
11
6
2
5
Insulating resistance
>1012
>1012
>1012
>1012
>1012
>1012
>1012
Contact resistance
mC
2.0
2.9
3.8
4.1
5.7
5.8
6
Shell to shell resistance
1.8
1.8
3
3.2
3.2
3.7
3.2
VSWR (f = GHz)
-
1.01
+0.146f
1.01 +0.019f
1.01 +0.127f
1.06 +0.156f
1.00 +0.22f
1.04 +0.1f
1.00 +0.38f
50 Ohm VSWR
1.4
75 Ohm VSWR
1.3
/
1.2
_ V
->
1.1
/
^—
1.0
0.0 0.3 0.6 0.9 1.2
1.3
1.2
1.1
1.0
0.0 0.3 ---Type A
0.6 0.9 1.2
Type B - Type A0
Type B
Type D
Type A
Type A3
Type C
--Type A1
Recommended coaxial and triaxial cable for mixed coax and multicoax connectors
Group 1)
Type
123456 7 8 9
RG.6 A/U
■
RG.11 A/U
■
RG.58 C/U
■
RG.59 B/U
■
RG.174 A/U
■
RG.178 B/U
■
RG.179 B/U
■
RG.180 B/U
■
RG.187 A/U
■
RG.188 A/U
■
RG.196 A/U
■
RG.316 /U
■
Triaxial
■
1) The cable group number corrresponding to the cho­sen cable must be written in the variant position of the part number.
Data Subject to Change 37
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