Flat Cable II
Section 2 Transmission Media and Components
42
9ARD000015-600
Capacitance between conductors
15.8 pF/ft +5% maximum
(at 1KHz, 20° C
Capacitance between one conductor
and other conductor connected to
shield
N/A
Capacitive unbalance
2.07 pF/ft +/- 5% ASTMD4566
DCR - @ 20° C
10.6 ohms/1000 ft (maximum) UL1581
Attenuation dB/100 ft (at 20° C)
0.14 db maximum at 125 KHz
0.25 db maximum at 250 KHz
0.42 db maximum at 500 KHz
0.72 db maximum at 1.0 KHz
Table 37. Physical Characteristics of DC Power Specification for Flat Cable II
Physical Characteristics
Specification
Conductor pair
0.75 mm
2
maximum (18 AWG maximum);
Cu (Sn plating) 30 strands maximum of
0.18 mm minimum, twist 1twist/20 mm
Insulation diameter
2.54 mm +/- 0.06 mm
Colors Red
Black
pair/Twist/ft
N/A
Tape shield over pair
N/A
Table 36. Electrical Characteristics of Data Pair Specification for Flat Cable II (Continued)
Electrical Characteristics
Specification