'http://www.huode-tyco.cn/50rfklf002.html
50rfklf002 construction
pair component
conductor: 24 awg solid tin plated copper, 0.0201 inch [0.51 mm] diameter
insulation: 0.0065 inches [0.165 mm] of semi-rigid pvc, 0.033 inch [0.84 mm] diameter
pair: 2 insulated conductors twisted together, lay lengths varied between pairs to minimize crosstalk
50rfklf002 final assembly
core: 3 pairs (#1-3) cabled together
layer 1: 9 pairs (#4-12) cabled around core
layer 2: 13 pairs (#13-25) cabled around layer 1
binder: polyester tape, 25% overlap
inner shield: aluminum/polyester tape, aluminum side facing out, 25% overlap
outer shield: 36 awg tin plated copper braid, 85% coverage
jacket: 0.027 inches [0.66 mm] of pvc, color – apple smoke gray
diameter: 0.380 ± 0.010 inches [9.65 ± 0.25 mm]
print legend (black ink): “madison cable {mfg. location code}(ul) type cl2 75°c 24 awg csa type cmg 60°c rohs compliant {date code}”
mfg. location code if applicable
date code is a 4-digit code with the first 2 digits identifying the calendar week and the last 2 digits identifying the calendar year of manufacture. example - 0206 for cable manufactured the second week of 2006.
color code
50rfklf002 electrical characteristics
madison cable麦迪逊高端高品质高速电缆，25对24awg计算机通讯线缆50rfklf002。
capacitance-to-water: 150 pf/ft [46 pf/m] maximum @ 1 khz ;
mutual capacitance: 35 pf/ft [11 pf/m] nominal @ 1 khz ;
single-ended capacitance: 56 pf/ft [17 pf/m] nominal @ 1 khz ;
pair-to-pair capacitance unbalance: 160 pf/1000 ft [53 pf/100 m] maximum @ 1 khz
velocity of propagation: 60% nominal
far-end crosstalk: 73 db rms minimum @ 150 khz, based on 1000 ft [304.8 m]
dielectric withstand: 2500 volts dc for 3 seconds
conductor dc resistance: 28.6 ohms/1000 ft [94 ohms/km] maximum @ 20°c
50rfklf002 safety certification
ul listing: type cl2 as specified in article 725 of the national electrical code csa certification: type cmg
rohs compliance: in accordance to european directive 2002/95/ec, issue 13.2.2003
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来源：http://www.huode-tyco.cn/
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深圳市获得实业有限公司
谭连利
755-33654730
南山区南山大道南光城市花园大厦2栋1808