320

320JCA

320MESSENGER

CONDUCTOR

MATERIAL

BC/CCA

BC/CCA

BC/CCA

Nom.Dia.

1.8mm

1.8mm

1.8mm

DIELECTRIC

MATERIAL

Foam PE

Foam PE

Foam PE

Nom.Dia.

7.47mm

7.47mm

7.47mm

SHIELD

MATERIAL

Al

Al

Al

Nom.Thick.

0.25mm/0.6mm

0.25mm/0.6mm

0.25mm/0.6mm

Nom.Dia.

/

8.13

8.13

OUT CONDUCTOR

MATERIAL

PE

PE

PE

Nom.Thick.

0.89mm

0.89mm

0.89mm

Nom.Dia.

10.03mm

10.03mm

10.03mm

MESSENGER

Nom.Dia.

/

/

2.77mm

Nominal Impedance(ohm)

75±3

Nomianl velocity of propagation(%)

87

Nominal Capacitance(pf/m)

50±3.0

Sparker Test(VAC)

4000

SRL(dB)

30-470

20

470-1000

20

Attenuation

[68°F(20℃)]

Frequency(MHz)

Maximum(dB/100ft)

Maximum(dB/100m)

5

0.23

0.79

55

0.79

2.76

250

1.74

6.1

450

2.36

8.27

500

2.55

8.92

550

2.67

9.35

750

3.13

10.96

865

3.39

11.87

1000

3.65

12.76