P3 500,QR540 JCAM CATV Trunk Coaxial Cable with Messenger

Constructions: Physical dimensions Electrical characteristics at 20°C Min. Bending Ratios: 65mm Resistance of inner conductor(DC): 1.92 Ω /km Resistance of outer conductor(DC): 3.43 Ω /km Insulation resistance: 5000 Ω /km Maximum Pulling Tension: 68 Kgf Minimum Bending Radius: 16.5 Kgf...

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Product Details

Constructions:


Physical dimensions


Component

mm

Material

Nominal center conductor diameter

2.77±0.03

Copper clad aluminum

Nominal diameter over dielectric

11.43±0.03

Physical foamed PE

Nominal diameter over outer conductor

12.7

Al-tape welded by argon arc welding

Nominal diameter over jacket

14.22

Polyethylene

Diameter of steel messenger

2.77

Steel messenger


Electrical characteristics at 20°C


Min. Bending Ratios: 65mm

Resistance of inner conductor(DC):  1.92 Ω /km

Resistance of outer conductor(DC): 3.43  Ω /km

Insulation resistance: 5000  Ω /km

Maximum Pulling Tension: 68 Kgf

Minimum Bending Radius: 16.5 Kgf

Dielectric strength: 1.6 KV

Velocity of propagation: 87%

Impendance: 75  Ω

V.S.W.R.: <1.2

Voltage withstand: 3000

Installation Temperature: -40 °C  to +85 °C

Capacitance: 84 pF/m

Inductance: 0.21 uH/m


Attenuation performation

Temperature: 20 °C


Frequency(MHz)

Maximum(db/100ft)

Maximum(db/100m)

5

0.16

0.52

55

0.54

1.77

83

0.66

2.17

211

1.09

3.58

250

1.20

3.94

300

1.31

4.30

350

1.43

4.69

400

1.53

5.02

450

1.63

5.35

500

1.73

5.67

550

1.82

5.97

600

1.91

6.27

750

2.16

7.09

865

2.34

7.68

1000

2.52

8.27

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