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QR 500 JCA

QR 500 JCA
Specification
  BASIC CONSTRUCTION

 

 

500

 

 

500JCA

 

 

500MESSENGER

 

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 CONDUCTOR

MATERIAL

Al

Al

Al

Nom.Thick.

0.25mm/0.6mm

0.25mm/0.6mm

0.25mm/0.6mm

Nom.Dia.

12.7

12.7

12.7

JACKET

MATERIAL

PE

PE

PE

Nom.Thick.

0.76mm

0.76mm

0.76mm

Nom.Dia.

14.22mm

14.22mm

14.22mm

MESSENGER

Nom.Dia.

/

/

2.77mm

  BASIC CHARACTERISTICS

Nominal Impedance(ohm)

75±3

Nomianl velocity of propagation(%)

87

Nominal Capacitance(pf/m)

55±3.0

Sparker Test(VAC)

4000

SRL(dB)

30-470

≥20

470-1000

≥18

Attenuation

[68°F(20℃)]

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

350

1.43

4.69

400

1.53

5.02

450

1.63

5.35

500

1.82

5.97

450

2.16

7.09

865

2.34

7.68

1000

2.52

8.27