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3647B Datasheet, PDF (1/2 Pages) 3M Electronics – Round, Shielded/Jacketed, Discrete Wire Cable
Round, Shielded/Jacketed, Discrete Wire Cable
28 AWG Stranded, Twisted Pair, PO/PVC
3647B Series
S IEEE 1284 Compliant – 36 conductor
S Twisted pairs reduce crosstalk in balanced
drive applications
S Wires are color coded for easy identification
S Meets external wiring requirements of
National Electrical Code, Article 725 (CL2)
S UL listed for USA and Canadian markets
S Dual shielding provides 35 db average
shielding effectiveness
Date Modified: July 29, 1999
TS-0582-12
Sheet 1 of 2
125
Physical
Jacket
Material: Polyvinyl Chloride (PVC)
Color: Beige
Primary Material: Polyolefin (PO)
Marking
Standard: (UL) CL2 75C 28AWG 3M MR C AWM II A/B 80C 150V FT1 EU <50V
IEEE 1284 Compliant
Conductors: 28 AWG 7 × 36 [ 7 × 0.127 ] Tinned Stranded Copper
Shielding: .001 [ 0.03 ] Thick Aluminum/Polyester Film Foil and 90% Coverage Tinned
Copper Braid
Electrical
Voltage Rating: USA: N.E.C. 725, CL2
Canada: 150V
Insulation Resistance: (Primary Cable) >1x1010 Ω /10 ft. [ 3m ]
EU: <50V
Unbalanced
Balanced
Characteristic Impedance 63 Ω
100 Ω
Capacitance 24.2 pF/ft. [ 79.4 pF/m ] 15.3 pF/ft. [ 50.2 pF/m ]
Inductance .10 µH/ft. [ 0.33 µH/m ] .15 µH/ft. [ 0.49 µH/m ]
Propagation Delay 1.54 ns/ft. [ 5.05 ns/m ] 1.54 ns/ft. [ 5.05 ns/m ]
Velocity of Propagation 66%
66%
Note: Unbalanced is measured between conductors within a pair with one conductor connected to the shield. Balanced is measured between conductors
within a pair with the shield floating.
Environmental
Temperature Rating: USA: CL2: 75°C Max Canada: 80C
Flammability Rating: USA: N.E.C. 725, CL2 Canada: FT1
UL File No.: E118773, Power limited Circuit Cable;
3M Interconnect Solutions Division
6801 River Place Blvd.
Austin, TX 78726-9000
CL2
For technical, sales or ordering information call
800-225-5373