Data Cables

IEEE 1394 Firewire Data Cables

2 Shielded Twisted Signal Pairs:
Conductors: 24 AWG stranded silver plated copper
Insulation: High temperature flouropolymer
Shield 1: Aluminum/Polyester tape
Shield 2: 38 AWG tin plated copper braid
Color Code:
Pair 1: Green, Red
Pair 2: Blue, Orange

2 Single Power Wires:
Conductors: 18 AWG stranded silver plated copper
Insulation: High temperature flouropolymer
Color Code: White, Black

Overall Cable:
Filler: Fiberglass, for roundness
Binder: Polyester tape
Shield 1: Aluminum/Polyester tape
Shield 2: 38 AWG tin plated copper braid
Jacket: White high temperature flouropolymer (laser markable)

Physical Characteristics

Outer Diameter: 0.345 inches nominal
Bend Radius: 1.72 inches nominal
Weight: 8.6 lbs/100 feet nominal
Temperature Range: -55° to +150° C
Skydrol Resistant: Yes

Electrical Characteristics (Signal)

Impedance: 110 Ohms nominal
Capacitance (Signal): 12 pF/ft nominal
Time Delay: 1.54 ns/ft maximum
Skew: 400 pS/6 m maximum leg to leg
Crosstalk: 26 dB minimum (1-500 MHz), Between signal pairs and signal to power pairs
Attenuation (Signal): 100 MHz 2.3 dB/100 ft
(nominal) 200 MHz 3.2 dB/100 ft
400 MHz 5.8 dB/100 ft
800 MHz 8.2 dB/100 ft

Electrical Characteristics (Power)

Impedance: 65 Ohms maximum
DC Resistance: 0.12 Ohms/6 m maximum

Standards: IEEE 1394 Firewire extended range