QR500/QR540 75 Ohm Trunk Coaxial Cable with OEM Messenger for CATV Network
-Construction
Center conductor: 2.77± 0.01mm Solid Copper/Copper Aluminum
Dielectric: 11.43± 0.05mm foam PE
Outer Conductor: 12.70mm Aluminum Tube
Outer Conductor thickness: 0.61mm
Jacket: 14.22+0.05mm PVC / PE
Jacket Wall Thickness: 0.76mm
Messenger(optional): 2.77mm Steel
Jelly/APD: Per Customer' Special Requirement
-Characteristics
Min. Bending radius: 8.9mm(jacketed)
Max. Pulling tension: 68kgf
Min. Thickness strength
Of messenger: 816kgf
Impedance: 75+2Ohm
Capacitance: 50+3nF/km, 15.3+1pF/ft
Velocity of Propagation: 88%
-Nominal D. C. Resistance @20
Copper Clad:
Inner conductor 4.43ohms/km
Outer conductor 1.21ohms/km
Loop 5.64ohms/km
-Construction
Center conductor: 2.77± 0.01mm Solid Copper/Copper Aluminum
Dielectric: 11.43± 0.05mm foam PE
Outer Conductor: 12.70mm Aluminum Tube
Outer Conductor thickness: 0.61mm
Jacket: 14.22+0.05mm PVC / PE
Jacket Wall Thickness: 0.76mm
Messenger(optional): 2.77mm Steel
Jelly/APD: Per Customer' Special Requirement
-Characteristics
Min. Bending radius: 8.9mm(jacketed)
Max. Pulling tension: 68kgf
Min. Thickness strength
Of messenger: 816kgf
Impedance: 75+2Ohm
Capacitance: 50+3nF/km, 15.3+1pF/ft
Velocity of Propagation: 88%
-Nominal D. C. Resistance @20
Copper Clad:
Inner conductor 4.43ohms/km
Outer conductor 1.21ohms/km
Loop 5.64ohms/km
1. Basic Construction
| | | 500 | 500JCA | 500 Messenger |
| | | | | |
| Conductor | Material | BC/CCA | BC/CCA | BC/CCA |
| | | | |
| Nom.Dia. | 2.77mm | 2.77mm | 2.77mm |
| |
| | | | | |
| Dielectric | Material | Foam PE | Foam PE | Foam PE |
| | | | |
| Nom.Dia. | 11.43mm | 11.43mm | 11.43mm |
| |
| | | | | |
| Out | Material | Al | Al | Al |
| | | | |
| No.Thick | 0.35mm/0.5mm | 0.35mm/0.5mm | 0.35mm/0.5mm |
| conductor |
| | | | |
| Nom.Dia | 12.7mm | 12.7mm | 12.7mm |
| |
| | | | | |
| | Material | PE | PE | PE |
| Jacket | | | | |
| Nom.Thick | 0.76mm | 0.76mm | 0.76mm |
| | | | | |
| | Nom.Dia. | 14.22mm | 14.22mm | 14.22mm |
| | | | | |
| Messenger | | / | / | 2.77mm |
| | | | | |
2. Basic Characteristics
| Nominal Impedance(ohm) | | 75±3 |
| Nominal Velocity of Propagation(%) | | 87 |
| Nominal Capacitance(pF/m) | | 55±3.0 |
| Sparker Test(VAC) | | 4000 |
| SRL(dB) | | 30-470 | | ≥20 |
| | | | | |
| | 470-1000 | | ≥18 |
| | | |
| | | | | |
| | | Frequency(MHz) | Maximum(dB/100ft) | Maximum(dB/100m) |
| | | 5 | 0.16 | | 0.52 |
| | | | | | |
| | | 55 | 0.54 | | 1.77 |
| | | | | | |
| | | 211 | 1.09 | | 3.58 |
| | | | | | |
| | | 300 | 1.31 | | 4.3 |
| Attenuation | | | | | |
| | 350 | 1.43 | | 4.69 |
| 68°F (20ºC) | | | | | |
| | 400 | 1.53 | | 5.02 |
| | | | | | |
| | | 450 | 1.63 | | 5.35 |
| | | | | | |
| | | 500 | 1.82 | | 5.97 |
| | | | | | |
| | | 750 | 2.16 | | 7.09 |
| | | | | | |
| | | 865 | 2.34 | | 7.68 |
| | | | | | |
| | | 1000 | 2.52 | | 8.27 |
| | | | | | |
Purchase Notice:
Please select the material of inner conductor :BC or CCS
Please select the material of jacket:PVC,PVC with RoHs,PE or LSZH.
Please select the packing:reel with carton or wooden spool with carton.
Please show us your own specification if it's not the same as ours.
Please inform us if you have any other requirement.
DETAILS OF 500/500JCA/500M
3. Packing Details
| Item No.: | 500 | 500M |
| | | |
| Specification: | 2.77BC/CCA+11.43FPE+AL | 2.77BC/CCA+11.43FPE+ALTUBE |
| TUBE +14.22PE | +14.22PE+2.77MESSENGER |
| |
| | | |
| Packing: | 1000M/Wooden spool | 1000M/ Wooden spool |
| | | |
| Wooden Spool Size: | 84*57*40CM | 84*57*40CM |
| | | |
| Image: | | |
| | Wooden Spool |
| G.W.: | 151.94KG/ Wooden spool | 228.94KG/ Wooden spool |
| | | |
| N.W.: | 134.94KG/ Wooden spool | 198.94KG/ Wooden spool |
| | | |
| Quantity in a 20 | 48 Wooden spools | 48 Wooden spools |
| Feet Container |
| | |
| | | |