3
Interconnect Solutions
http://www.3Mconnectors.com
3M is a trademark of 3M Company.
For technical, sales or ordering information call
800-225-5373
3M™ Round, Shielded/Jacketed, Disc. Wire Cable
28 AWG Stranded, Twisted Pair, PO/PVC 3644X Series
• Dual shielding provides 35 db average shielding
effectiveness
• Wires are color coded for easy identification
• Meets external wiring requirements of National
Electrical Code, Article 725 (CL2)
• UL listed for US and Canadian markets
• Please contact your 3M sales representative for
variations not described in this specification.
• RoHS Compliant. See the Regulatory Information
Appendix (RIA) in the "RoHS compliance" section
of www.3Mconnectors.com for compliance
information (RIA E1 & C1 apply)
Date Modied: April 24, 2012 TS-0826-C
Sheet 1 of 3
Physical
Jacket Material: Polyvinyl Chloride (PVC)
Color: Beige
Primary Material: Polyolefin (PO)
Marking:
Standard: (UL) CL2 75C 28 AWG 3M XX
C AWM IIA/B 80C 150V FT1 EU <50V
(where XX may be NU or NW)
Conductors: 28 AWG 7 × 36 [ 7 × 0.127 ] Tinned Stranded Copper
Shielding: 0.001 [ 0.03 ] Thick Aluminum/Polyester Film Foil and
90% Coverage Tinned Copper Braid
Electrical
Voltage Rating: USA: N.E.C. 725 CL2 Canada: 150V EU: <50V
Insulation Resistance: (Primary Cable) > 1 × 1010 Ω/10 ft. [ 3 m ]
Characteristic Impedance: Unbalanced Balanced
63 Ω 100 Ω
Capacitance: 24.2 pF/ft [ 79.4 pF/m ] 15.3 pF/ft [ 50.2 pF/m ]
Inductance: 0.10 μH/ft [ 0.33 μH/m ] 0.15 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 ground-signal-ground conductors, with shield grounded. Balanced is measured between signal conductors within a pair, with the shield floating.
Environmental
Temperature Rating: USA: CL2: 75°C Max Canada: 80°C
Flammability Rating: USA: N.E.C. 725, CL2 Canada: FT1
UL File No.: E118773, Power Limited Circuit Cable; CL2
3
Interconnect Solutions
http://www.3Mconnectors.com
3M is a trademark of 3M Company.
For technical, sales or ordering information call
800-225-5373
3M™ Round, Shielded/Jacketed, Disc. Wire Cable
28 AWG Stranded, Twisted Pair, PO/PVC 3644X Series
TS-0826-C
Sheet 2 of 3
Inch
[mm]
Tolerance Unless Noted
.0 .00 .000
Inch ±.1 ±.05 ±.010
[ ] Dimensions for Reference Only
C
Dim A
.026 Min
[ 0.66 ]
PVC Jacket
Braid
Filler
(Mfgr Option)
Cable:
Twisted Pair
Film Foil
Foam
Polypropylene Tape
Discrete Wire
Detail
.026 ± .001
[ 0.66 ]
Foam Polypropylene Tape
Film Foil
28 AWG 7 × 36 [ 7 × 0.127 ]
Tinned Stranded Copper
Conductors
Number of
Conductors 3M Part Number Dimension A ± .02
14 (7 Pair) 3644X/14 .22 [ 5.6 ]
16 (8 Pair) 3644x/16 .23 [ 5.8 ]
20 (10 Pair) 3644X/20 .24 [ 6.1 ]
24 (12 pair) 3644X/24 .25 [ 6.4 ]
26 (13 Pair) 3644X/26 .25 [ 6.4 ]
30 (15 Pair) 3644X/30 .27 [ 6.9 ]
36 (18 Pair) 3644X/36 .29 [ 7.4 ]
40 (20 Pair) 3644X/40 .30 [ 7.6 ]
50 (25 Pair) 3644X/50 .32 [ 8.1 ]
68 (34 Pair) 3644X/68 .37 [ 9.4 ]
80 (40 Pair) 3644X/80 .39 [ 9.9 ]
100 (50 Pair) 3644X/100 .44 [11.2 ]
3
Interconnect Solutions
http://www.3Mconnectors.com
3M is a trademark of 3M Company.
For technical, sales or ordering information call
800-225-5373
3M™ Round, Shielded/Jacketed, Disc. Wire Cable
28 AWG Stranded, Twisted Pair, PO/PVC 3644X Series
TS-0826-C
Sheet 3 of 3
Ordering Information
3644X / XX XX
Note: Standard length 20 through 68 conductors is
300 feet per roll. Standard length of 80 and 100
conductor cables is 200 feet per roll.
Pair Identication
Pair Cond 1st Conductor Cond 2nd Conductor
Solid Band Solid Band
1 1 White Tan 2Ta n White
23 White Brown 4Brown White
35White Pink 6 Pink White
4 7 White Orange 8Orange White
5 9 White Yellow 10 Yellow White
611 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 Ta n Brown 20 Brown Tan
11 21 Tan Pink 22 Pink Tan
12 23 Ta n Orange 24 Orange Tan
13 25 Ta n Yellow 26 Yellow Tan
14 27 Ta n Green 28 Green Tan
15 29 Ta n Blue 30 Blue Tan
16 31 Ta n Violet 32 Violet Ta n
17 33 Tan Gray 34 Gray Tan
18 35 Brown Pink 36 Pink Brown
19 37 Brown Orange 38 Orange Brown
20 39 Brown Yellow 40 Yellow Brown
21 41 Brown Green 42 Green Brown
22 43 Brown Blue 44 Blue Brown
23 45 Brown Violet 46 Violet Brown
24 47 Brown Gray 48 Gray Brown
25 49 Pink Orange 50 Orange Pink
26 51 Pink Yellow 52 Yellow Pink
27 53 Pink Green 54 Green Pink
28 55 Pink Blue 56 Blue Pink
29 57 Pink Violet 58 Violet Pink
30 59 Pink Gray 60 Gray Pink
31 61 Orange Yellow 62 Yellow Orange
32 63 Orange Green 64 Green Orange
33 65 Orange Blue 66 Blue Orange
34 67 Orange Violet 68 Violet Orange
35 69 Orange Gray 70 Gray Orange
36 71 Yellow Green 72 Green Yellow
37 73 Yellow Blue 74 Blue Yellow
38 75 Yellow Violet 76 Violet Yellow
39 77 Yellow Gray 78 Gray Yellow
40 79 Green Blue 80 Blue Green
41 81 Green Violet 82 Violet Green
42 83 Green Gray 84 Gray Green
43 85 Blue Violet 86 Violet Blue
44 87 Blue Gray 88 Gray Blue
45 89 Violet Gray 90 Gray Violet
46 91 White - 92 Tan -
47 93 Gray - 94 Brown -
48 95 Blue - 96 Pink -
49 97 Violet - 98 Orange -
50 99 Green - 100 Yellow -
Number of Conductors
(See Table)
Jacket Color Options:
A = "Special" Black Jacket
B = "Standard" Beige Jacket
Blank = Standard
SF = Splice Free
Important Notice
All statements, technical information, and recommendations related to 3M’s products are based on information believed to be reliable, but the accuracy or completeness
is not guaranteed. Before using this product, you must evaluate it and determine if it is suitable for your intended application. You assume all risks and liability associated
with such use. Any statements related to the product which are not contained in 3M’s current publications, or any contrary statements contained on your purchase order
shall have no force or effect unless expressly agreed upon, in writing, by an authorized officer of 3M.
Warranty; Limited Remedy; Limited Liability.
This product will be free from defects in material and manufacture for a period of one (1) year from the time of purchase. 3M MAKES NO OTHER WARRANTIES
INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. If this product is defective within the
warranty period stated above, your exclusive remedy shall be, at 3M’s option, to replace or repair the 3M product or refund the purchase price of the 3M product. Except
where prohibited by law, 3M will not be liable for any indirect, special, incidental or consequential loss or damage arising from this 3M product, regardless of
the legal theory asserted.
Please recycle. Printed in USA.
© 3M 2012. All rights reserved.
RIA-2217B-E
3
3M Electronics Solutions Division
6801 River Place Blvd.
Austin, TX 78726-9000
U.S.A.
1-800-225-5373
www.3Mconnectors.com 3M is a trademark of 3M Company.