nner Conductor

Dielectric

1^st Outer Conductor

2^st Outer Conductor

Jacket 

Bare Copper (7Strand)

Foam XL-PE

Laminate Aluminum Tape

90%Tinned-Copper Braid

PVC

7/0.27±0.005(Φ0.81)

2.10±0.10

2.25±0.10

2.65±0.10

3.30±0.20

Coppery

Natural Color

Silvery

Silvery

Black

Physical Mechanical Specifications                                            

Item

Unit

Date

Minimum Bend Radius

Loaded

20×Cable OD

Unloaded

10×Cable OD

Temperature Rating,℃

-40~+105

Electrical Specifications                                                    

Item

Unit

Date

Impedance

51±3

Capacitance

pF/m

80

Velocity ratio Propagation

%

83

Resistance

Ω/km

Inner Conductor

48.5

Insulation resistance

MΩ.km

≥1000

Dielectric strength

V(AC)/min

≥1000

Withstand voltage of jacket

V(AC)/min

≥1000

Attenuation, Typical value (20℃)  (Maximum allowable out of tolerance 15%)                                                   

Frequency MHZ

dB/100m

100

20

200

23

400

34

500

39

800

46

1000

51

1200

57

1500

68

1800

70

2000

75

2500

85

3000

92

4000

110

5000

127

5800

139

6000

142