SF-250

Description Unjacketed Semi Flexible
(Hand Formable) 250 Size
Specification RG401 (Mil-C-17/129) Type

CONSTRUCTION

NO ITEM MATERIAL DIAMETER REMARK
1 CENTER CONDUCTOR SPC 1.65 ± 0.02mm
2 DIELECTRIC PTFE 5.35 ± 0.05mm SOLID
3 OUTER SHIELD TC 6.30 ± 0.05mm Braid/100% COVERAGE
4 OUTER SHIELD PVC or PE 7.10 ± 0.5mm Black/Blue/Clear/Red
SPCW PTFE TC PVC FEP
Silver Plated Copper clad steel Wire Polytetrafluoroethylene Tinned Copper Polyvinyl Chloride Fluorinated Ethylene Propylene

ELECTRICAL DATA

ITEM SPECIFICATION
Operating frequency Max. 18 GHz
Conductor resistance Max. 0.257 Ω / 100ft (20℃)
Dielectric resistance Min. 1000㏁ .km (20℃)
Test voltage 16800Vrms (1min)
Velocity of propagation Nom. 70%
Capacitance Max. 29 pF/ft
Characteristic impedance 50 ± 3Ω
Operating Temp -40℃~185℃
Bending Radius 13 mm
Approx. weight 114.0 kg/km
Maximum Attenuation 1 GHz 0.26 dB/m -Watts
5 GHz 0.62 dB/m 432.5Watts
10 GHz 1.08 dB/m 274.0Watts
18 GHz 1.64 dB/m 191.0Watts