3M 3647B/36

Round, Shielded/Jacketed, Discrete Wire Cable
28 AWG Stranded, Twisted Pair, PO/PVC
3647B Series
IEEE 1284 Compliant – 36 conductor
Twisted pairs reduce crosstalk in balanced
drive applications
Wires are color coded for easy identification
Meets external wiring requirements of
National Electrical Code, Article 725 (CL2)
UL listed for USA and Canadian markets
Dual shielding provides 35 db average
shielding effectiveness
Date Modified: July 29, 1999
TS-0582-12
Sheet 1 of 2
125
Physical
Jacket
Material:
Color:
Primary Material:
Marking
Standard:
Polyvinyl Chloride (PVC)
Beige
Polyolefin (PO)
(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
10
Insulation Resistance: (Primary Cable) >1x10 Ω /10 ft. [ 3m ]
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%
EU: <50V
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
Flammability Rating: USA: N.E.C. 725, CL2
UL File No.: E118773, Power limited Circuit Cable;
Canada: 80C
Canada: FT1
CL2
3M Interconnect Solutions Division
6801 River Place Blvd.
Austin, TX 78726-9000
For technical, sales or ordering information call
800-225-5373
Round, Shielded/Jacketed, Discrete Wire Cable
28 AWG Stranded, Twisted Pair, PO/PVC
3647B Series
Film Foil
Foam Polypropylene Tape
Cable:
Twisted Pair
R
.026 Min
[ 0.66 ]
PVC Jacket
Braid
Filler
(Mfgr Option)
.026 ± .001
[ 0.66 ]
Cable:
Twisted Pair
.29 [ 7.4 ] ± .02

28 AWG 7 × 36 [ 7 × 0.127 ]
Tinned Stranded Copper Conductors
Film Foil
Foam Polypropylene Tape
Discrete Wire
Detail
Pair Identification
1st Conductor
2nd Conductor
Pairs Cond
Cond
Solid Band
Solid Band
1
1
White Tan
2
Tan
White
2
3
White Brown
4
Brown White
3
5
White Pink
6
Pink White
4
7
White Orange
8
Orange White
5
9
White Yellow
10
Yellow White
6
11 White Green
12
Green White
7
13 White Blue
14
Blue White
8
15 White Violet
16
Violet White
9
17 White Gray
18
Gray White
10
19
Tan Brown
20
Brown Tan
11
21
Tan
Pink
22
Pink
Tan
12
23
Tan Orange
24 Orange Tan
13
25
Tan Yellow
26
Yellow Tan
14
27
Tan Green
28
Green Tan
15
29
Tan
Blue
30
Blue
Tan
16
31
Tan
Violet
32
Violet Tan
17
33
Tan
Gray
34
Gray
Tan
18
35 Brown Pink
36
Pink Brown
Inch
[mm]
Tolerance Unless Noted
.0
Inch
± .1
.00
.000
± .05 ± .010
[ ] Dimensions for
Reference only
Ordering Information
3647B/36
Number of Conductors
Note: Standard length is 300 feet per roll.
TS-0582-12
Sheet 2 of 2
3M Interconnect Solutions Division
6801 River Place Blvd.
Austin, TX 78726-9000
For technical, sales or ordering information call
800-225-5373