3M™ Jacketed, Flat Cable
.050" 28 AWG Stranded, PVC/PVC 3603 Series
• Meets external wiring requirements of National
     Electrical Code, Article 725 (CL2)
• UL listed for USA and Canadian markets
• 28 AWG stranded wire on .050 inch centers permits
     mass termination to broad line of IDC connectors
• PVC outer jacket prevents damage to cable
• Primary cable is zippable for branching or discrete
     terminations
• See the Regulatory Information Appendix (RIA) in
     the “RoHS compliance” section of www.3M.com/
     Interconnects for compliance information
     (RIA E1 & C1 apply)
 
Physical
Jacket Material: Polyvinyl Chloride (PVC)
Color: Black
Primary Material: PVC
Color: Gray

Marking:
Standard: (UL) CL2 75C 28 AWG OR AWM 20879 3M NU
                  C AWM IIA/B 80C 300V FT1 EU < 50V
Conductors: 28 AWG, 7 × 36 AWG [ 7 × 0.127 ] Tinned Stranded Copper

Electrical
Voltage Rating: USA: N.E.C. 725, CL2 or AWM 300V Canada: 300V EU: < 50V
Insulation Resistance: (Primary Cable) > 1 × 1010 Ω/10 ft. [ 3 m ]
Characteristic Impedance: Unbalanced Balanced 95 Ω 160 Ω
Capacitance: 15.5 pF/ft [ 62.3 pF/m ] 9.4 pF/ft [ 36.4 pF/m ]
Inductance: 0.14 μH/ft [ 0.43 μH/m ] 0.24 μH/ft [ 0.79 μH/m ]
Propagation Delay: 1.47 ns/ft [ 4.82 ns/m ] 1.50 ns/ft [ 4.92 ns/m ]
Velocity of Propagation: 69% 68%
Note: Unbalanced is measured between ground-signal-ground conductors. Balanced is measured between signal conductors within a pair.　

Evironmental
Temperature Rating: USA: CL2; 75°C or AWM; -20°C to +80°C Canada: 80°C
Flammability Rating: USA: N.E.C. 725, CL2 Canada: FT1

UL File No.: E118773, Power Limited Circuit Cable: CL2 (or AWM Style No: 20879)