JIS
/ CNS
Coaxial Cable
Figure:
1.Application:Connecting
, Internal wiring , feeder etc. of radio-frequency apparatus ,
With characteristic impedance of 50W
, and 75W.
2.Classification and
Symbols:
|
Classification (by characteristic ) impedance
|
Symbol
|
|
50W
|
0.8D – 2V
1.5D – 2V
2.5D – 2V
3D – 2V
5D – 2V
8D – 2V
10D – 2V
|
|
75W
|
1.5C – 2V
2.5C – 2V
2.5C – 2VS
3C – 2V
3C–2VCS
3C – 2VS
3C – 2W
3C– 2WS
5C – 2V
5C – 2VS
5C – 2W
7C – 2V
10C – 2V
|
3.Remark:
1.
First
numeral:expressing
approximate inner diameter of outer conductor in mm.
2.
Second
letters:D
means ²
cable of 50 W
type ² C means ²
cable of 75 W
type ²
3.
Third
numeral:2
means ²cable
with solid polyethylene ²
4.
Fourth
letters:V
means ²cable
with single outer conductor applied with vinyl sheath ²
5.
Fifth
Letter:S
means ²cable
with stranded inner ²
6.
Fifth
and Sixth letter:
CS means ²cable
with copper-covered steel inner conductor
( to distinguish from ones of same size but with inner
conductor of annealed copper
wire ). ²
4.Structure
&
Properties:
|
Items
Cable
symbol
|
Inner
|
Insulation
|
Outer
Conductor
|
Finished
|
Max.Conductor
|
Static
|
Characteristic
|
Standard
|
|
Conductor
|
Diameter
|
Inner
Braid
|
Outer
Braid
|
Diameter
|
Resistance
|
Capacitance
|
Impedance
|
Attenuation
(dB / Km)
|
|
(NO./
mm)
|
(mm)
|
NO./mm/strike
|
NO./mm/strike
|
(mm)
|
20℃(W/ Km)
|
1KHz(nF/Km)
|
(W)
|
1M
Hz
|
10M
Hz
|
30M
Hz
|
200M
Hz
|
|
0.8C-2V
|
1
/ 0.26*
|
0.8
|
3
/ 0.1 / 16
|
-
|
2.00
± 0.40
|
968
|
102
± 8
|
50
± 4
|
140
|
180
|
280
|
700
|
|
1.5C-2V
|
7
/ 0.18
|
1.6
|
5
/ 0.1 / 16
|
-
|
2.90
± 0.40
|
110
|
104
± 5
|
50
± 2
|
27
|
85
|
155
|
400
|
|
2.5D-2V
|
1
/ 0.80
|
2.7
|
7
/ 0.12 / 16
|
-
|
4.30
± 0.50
|
35.9
|
100
± 5
|
50
± 2
|
15
|
45
|
88
|
240
|
|
3D-2V
|
7
/ 0.32
|
3.0
|
5
/ 0.14 / 24
|
-
|
5.30
± 0.50
|
33.3
|
100
± 4
|
50
± 2
|
13
|
47
|
77
|
220
|
|
5D-2V
|
1
/ 1.40
|
4.8
|
7
/ 0.14 / 24
|
-
|
7.30
± 0.50
|
11.7
|
100
± 4
|
50
± 2
|
8
|
27
|
46
|
125
|
|
5D-2W
|
1
/ 1.40
|
4.8
|
7
/ 0.14 / 24
|
7
/ 0.14 / 24
|
8.00 ± 0.50
|
11.7
|
100
± 4
|
50
± 2
|
8
|
27
|
46
|
125
|
|
8D-2V
|
7
/ 0.80
|
7.8
|
8
/ 0.18 / 24
|
-
|
11.1
± 0.50
|
5.13
|
100
± 4
|
50
± 2
|
5
|
20
|
30
|
85
|
|
10D-2V
|
1
/ 2.90
|
9.7
|
10
/ 0.20 /24
|
-
|
13.1
± 0.50
|
2.67
|
102 ± 4
|
50 ± 2
|
4
|
14
|
24
|
65
|
|
1.5C-2V
|
1 / 0.26*
|
1.6
|
5
/ 0.1 / 16
| |