The coaxial cable with physical-foamed polyethylene insulation is manufactured in accordance with the standards of GY/T 135-1998 or SJ/T 11138-1997. This product allows a maximum working temperature of 70°C, and it is suitable for main line, branch line and user line in CATV systems. It is also applicable for other electronic devices.
This coaxial cable contains two types including SYWV-75-X-X and SYWY-75-X-X. In addition, the core is in natural color, and the model and factory name are printed on the product.
Type and DescriptionsType | Descriptions | Standards |
SYWV-75-X-X | Physical-foamed PE insulated PVC sheathed coaxial cable with characteristic impedance of 75Ω | GY/T 135 SJ/T 11138 |
SYWY-75-X-X | Physical-foamed PE insulated PE sheathed coaxial cable with characteristic impedance of 75Ω |
Model | Inner Conductor No./Diameter | Nominal Outer Diameter of Insulation | Nominal Outer Diameter of Cable | Reference Weight | Nominal Characteristic impedance | Damping Constant | Shield Constant | Test Voltage | Insulation Resistivity | |
n/mm | mm | mm | kg/km | Ω | dB/100m | dB | Water Immersion Test | Spark Test | MΩ·km | |
SYWV-75-5-1 | 1/1.0 | 4.8 | 7.2 | 43 | 75 | 200MHz≤9.0 | 200MHz≥90 | ≥2.0 | ≥3.0 | ≥5000 |
SYWY-75-5 | 1/1.0 | 4.8 | 7.2 | 43 (32) | 200MHz≤9.7 | 200MHz≥70 | ≥2.0 | ≥3.0 | ||
SYWV-75-7-1 | 1/1.66 | 7.25 | 10.3 | 70 | 200MHz≤5.8 | 200MHz≥90 | ≥3.0 | ≥5.0 | ||
SYWY-75-7-1 | 1/1.66 | 7.25 | 10.3 | 70 | 200MHz≤5.8 | 200MHz≥90 | ≥3.0 | ≥5.0 | ||
SYWV-75-7 | 1/1.66 | 7.25 | 10.3 | 70 (59) | 200MHz≤6.4 | 200MHz≥70 | ≥3.0 | ≥5.0 | ||
SYWY-75-7 | 1/1.66 | 7.25 | 10.3 | 70 (59) | 200MHz≤6.4 | 200MHz≥70 | ≥3.0 | ≥5.0 | ||
SYWV-75-9-1 | 1/2.15 | 9.0 | 12.3 | 80 | 200MHz≤4.5 | 200MHz≥90 | ≥2.0 | ≥3.0 | ||
SYWY-75-9-1 | 1/2.15 | 9.0 | 12.3 | 80 | 200MHz≤4.5 | 200MHz≥90 | ≥2.0 | ≥3.0 | ||
SYWV-75-9 | 1/2.15 | 9.0 | 12.3 | 80 (68) | 200MHz≤5.0 | 200MHz≥70 | ≥2.0 | ≥3.0 | ||
SYWY-75-9 | 1/2.15 | 9.0 | 12.3 | 80 (68) | 200MHz≤5.0 | 200MHz≥70 | ≥2.0 | ≥3.0 |
Related Names
CATV Coax Cable Manufacturer | Television Signal Transmission Solution | Television Signal Distribution