Coaxial Cabling Coaxial Cable Coaxial Cable

ECX

DESCRIPTION
. High frequency coaxial cable of 75ohms chrateristic impedance with annealed copepr wire as inner conductor,
PE insulation, annealed copper wire braid as outer conductor, PVC jacket
LISTS
.ECX 3C/5C/7C/10C
CABLE CONSTRUCTION
ITEM UNIT 3C 5C 7C 10C
Inner
Conductor		 Material – Annealed
copper wire		 Annealed
copper wire		 Annealed
copper wire		 Annealed
copper wire
Construction mm 1/0.5 1/0.8 7/0.4 7/0.5
Diameter mm 0.5±0.02 0.8±0.02 1.2±0.05 1.5±0.05
Insulation Material – PE PE PE PE
Thickness mm 1.3±0.1 2.05±0.1 3.05±0.2 3.95±0.2
Diameter mm 3.1±0.2 4.9±0.2 7.3±0.3 9.4±0.3
Color – Natural Natural Natural Natural
Outer Conductor Material – Annealed
copper wire		 Annealed
copper wire		 Annealed
copper wire		 Annealed
copper wire
Individual wire diameter mm 0.14 0.14 0.18 0.20
Number of wires
per carrier		 ea 5 (8) 7 (10) 8 (10) 10 (10)
Number of carriers ea 24 (16) 24 (16) 24 (16) 24 (16)
Lay Length mm 26 (26) 42 (30) 45 (25) 60 (22)
Jacket Material – PVC PVC PVC PVC
Thickness mm 0.8±0.08 0.9±0.09 1.1±0.11 1.3±0.13
Diameter mm 5.4±0.5 7.4±0.5 10.4±0.5 13.0±0.6
TECHNICAL DETAILS
Electrical Characteristic

ITEM UNIT 3C 5C 7C 10C
Conductor Resistance (max.) Ω/㎞ 91.4 35.9 20.7 13.1
Insulation Resistance (min.) ㏁/㎞ 1000 1000 1000 1000
Dielectric Withstand Voltage AC, V/min 1000/1 1000/1 1000/1 1000/1
Capacitance pF/km 67±3 67±3 67±3 67±3
Relative Propagation Velocity % 66±2 66±2 66±2 66±2
Impedance (MEAN) Ω 75±3 75±3 75±3 75±3
Attenuation
(@ 20℃, 10MHz)		 dB/km 42 27 22 18

Physical Characteristic

ITEM UNIT SPECIFICATION REMARK
Insulation
(before heat-aged)		 Tensile Strength kgf/mm2 ≥ 1.0 According to
KS C 3004 / clause 19
Elongation % ≥ 400
Insulation
(after heat-aged)		 Tensile Strength % ≥ 80 According to
KS C 3004 / clause 20
Elongation % ≥ 65
Jacket
(before heat-aged)		 Tensile Strength kgf/mm2 ≥ 1.0 According to
KS C 3004 / clause 19
Elongation % ≥ 200
Jacket
(after heat-aged)		 Tensile Strength % ≥ 80 According to
KS C 3004 / clause 20
Elongation % ≥ 80
Jacket Shrinkage (100℃/4h) % ≥ 10 According to
KS C 3004 / clause 24
Cold Bend Test (-20℃/1h) – No visible crack According to
KS C 3004 / clause 23
Cold Impact Test (-10℃/2.5min) – No visible crack According to
KS C 3004 / clause 25
Conductor Discoloration – No corrosion/discoloration on inner & outer conductor According to
KS C 3002 / clause 3
Min. Bending Radius – 6 x Cable Diameter –
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