Cable Specifications

Cables should meet the physical medium requirements specified in ISO 11898, shown in the following table. Belden cable (3084A) meets all these requirements and should be suitable for most applications.

Table 2. ISO 11898 Specifications for Characteristics of a CAN_H and CAN_L Pair of Wires
Characteristic Value
Impedance 95 Ω minimum, 120 Ω nominal, 140 Ω maximum
Length-related resistance 70 mΩ/m nominal
Specific line delay 5 ns/m nominal