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The physical foaming polyethylene insulation RF coaxial cable
Description :

SYWV（Y）聚乙烯物理发泡绝缘同轴射频电缆产品电气性能

项目
尺寸
SYWV（Y）-75-5
SYWV（Y）-75-7
SYWV（Y）-75-9
SYWV（Y）-75-12
缆芯介电强度（kv）40-60Hz lmin＞
1.6
1.6
1.6
1.6
绝缘电阻（MΩ·km）500V直流＞
10000
10000
10000
10000
护套介电强度（kv）＞
火花试验（kv）40-60Hz
3.0
5.0
8.0
8.0
浸水试验（kv）40-60Hz
2.0
3.0
5.0
5.0
特性阻抗（Ω）200MHz
75±3.0
75±2.5
75±2.5
7.5±2.0
压减常数DB/100M＜
50MHz
4.9
3.1
2.6
2.0
200MHz
9.9
6.5
5.2
4.1
550MHz
16.8
10.7
8.5
6.7
800MHz
21.0
13.9
11.5
92
回波损耗＞
VHF
20
20
20
23
VHF
18
18
18
20
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