National standard：YD/T 1019-2001
Category 5 cables are suitable for deploying indoor short-distance connections, voice, telephone, fax, network and multimedia applications, and are suitable for home and local network connection terminals.
Construction sketch (sheath, conductor, insulation, tear rope)
| Product Standards | Product number | Product Specifications | Number of conductors N | Conductor diameter mm | Insulation outer diameter | Sheath outer diameter mm | English type | Maximum conductor resistance at 20°C (straight line)Ω/km |
| YD/T1019-2001(2pairs) | (five categories) HSYV-5 | 2×2×0.5 | 1 | 0.5 | 0.92 | 4.20 | UTP-5 | 88.22 |
| YD/T1019-2001(4pairs) | (five categories) HSYV-5 | 4×2×0.5 | 1 | 0.5 | 0.92 | 5.30 | UTP-5 | 88.22 |
| YD/T1019-2001(4pairs) | (Category five single shield) HSYV-5 mark + ground + foil | 4×2×0.5 | 1 | 0.5 | 0.92 | 5.60 | FTP-5 | 88.22 |
| YD/T1019-2001(4pairs) | (Category five double shield) HSYV-5 foil+64N | 4×2×0.5 | 1 | 0.5 | 0.92 | 6.00 | S-UTP-5 | 88.22 |
| YD/T1019-2001(8pairs) | (five categories) HSYV-5 | 8×2×0.5 | 1 | 0.5 | 0.92 | 7.50 | UTP-5 | 88.22 |
| YD/T1019-2001(16pairs) | (five categories) HSYV-5 | 16×2×0.5 | 1 | 0.5 | 0.92 | 10.00 | UTP-5 | 88.22 |
| YD/T1019-2001(25pairs) | (five categories) HSYV-5 | 25×2×0.5 | 1 | 0.5 | 0.92 | 14.30 | UTP-5 | 88.22 |
Transmission characteristics (speed of propagation)
| Phase delay 20℃ max | ns/100m | f(MHz) Require | 0.064~100MHZ, 1601 frequency sweep points; 0.064~250MHZ, 1601 frequency sweep points |
| 1： ≤570 | |||
| 10： ≤545 | |||
| 100： ≤538 | |||
| 250： ≤536 | |||
Delay difference 20℃ max | ns/100m | f(MHz) Require | 0.064~100MHZ, 1601 frequency sweep points; 0.064~250MHZ, 1601 frequency sweep points |
| 1： ≤45 | |||
| 10： ≤45 | |||
| 100： ≤45 | |||
| 250： ≤45 | |||
Characteristic impedance Ω | Category 3, Category 4, Category 5, Category 5e, Category 6 | 100±15Ω | |
National Service Number
CN