3
Electronic Solutions Division
Interconnect Solutions
http://www.3Mconnector.com
3M is a trademark of 3M Company.
For technical, sales or ordering information call
800-225-5373
3M™ Round Conductor Flat Cable
.050" 26 AWG Stranded, TPE 3770 Series
• 26 AWG wire on .050 inch centers permits mass
termination to a broad line of IDC connectors
• TPE insulation provides excellent transmission
properties at a low cost
• Zippable for branching or discrete terminations
• See the Regulatory Information Appendix (RIA) in
the “RoHS compliance” section of
www.3Mconnector.com for compliance information
(RIA E1 & C1 apply)
Date Modified: March 15, 2010 TS-0342-E
Sheet 1 of 2
Physical
Insulation:
Material: Thermoplastic Elastomer (TPE)
Color: Gray
Marking:
Standard: None
Conductors: 26 AWG 7 × 34 [ 7 × 0.160 ] Tinned Stranded Copper
Electrical
Voltage Rating: USA: 300V EU: <50V
Insulation Resistance: > 1 × 1010 Ω/10 ft. [ 3 m ]
Characteristic Impedance: Unbalanced
104 Ω
Capacitance: 13.1 pF/ft (42.98 pF/m)
Inductance: 0.14 μH/ft (0.46 μH/m)
Propagation Delay: 1.36 ns/ft (4.46 ns/m)
Velocity of Propagation: 75%
Note: Unbalanced is measured between ground-signal-ground conductors.
Environmental
Temperature Rating: -40°C to +105°C
Flammability Rating: USA: UL Horizontal
UL File No.: E42769, Style No: 20297
3
Electronic Solutions Division
Interconnect Solutions
http://www.3Mconnector.com
3M is a trademark of 3M Company.
For technical, sales or ordering information call
800-225-5373
3M™ Round Conductor Flat Cable
.050" 26 AWG Stranded, TPE 3770 Series
TS-0342-E
Sheet 2 of 2
Ordering Information
3770/XX - XX
A
B
.050 ± .002 Typ
[ 1.27 ]
.025 ± .007
[ 0.64 ]
.039 ± .003
[ 0.99 ]
26 AWG 7 X 34 [ 7 X 0.160 ] Tinned
Stranded Copper Conductors
TPE Insulation
Inch
[mm]
Tolerance Unless Noted
.0 .00 .000
Inch ±.1 ±.05 ±.010
[ ] Dimensions for Reference Only
Note: Contact 3M for availability of additional conductor
counts and/or custom roll lengths.
Number of Conductors
(See Table)
Note:
1. Blue marking on one edge of cable designates wire #1.
Number of
Conductors 3M Part Number Dimension A Dimension B
09 3770/09 0.450 ± .010 [ 11.43 ] 0.400 ± .007 [ 10.16 ]
10 3770/10 0.500 ± .010 [ 12.70 ] 0.450 ± .007 [ 11.43 ]
14 3770/14 0.700 ± .010 [ 17.78 ] 0.650 ± .007 [ 16.51 ]
15 3770/15 0.750 ± .010 [ 19.05 ] 0.700 ± .007 [ 17.78 ]
16 3770/16 0.800 ± .015 [ 20.32 ] 0.750 ± .011 [ 19.05 ]
20 3770/20 1.000 ± .015 [ 25.40 ] 0.950 ± .011 [ 24.13 ]
24 3770/24 1.200 ± .015 [ 30.48 ] 1.150 ± .011 [ 29.21 ]
25 3770/25 1.250 ± .015 [ 31.75 ] 1.200 ± .011 [ 30.48 ]
26 3770/26 1.300 ± .015 [ 33.02 ] 1.250 ± .011 [ 31.75 ]
30 3770/30 1.500 ± .020 [ 38.10 ] 1.450 ± .015 [ 36.83 ]
34 3770/34 1.700 ± .020 [ 43.18 ] 1.650 ± .015 [ 41.91 ]
36 3770/36 1.800 ± .020 [ 45.72 ] 1.750 ± .015 [ 44.45 ]
37 3770/37 1.850 ± .020 [ 46.99 ] 1.800 ± .015 [ 45.72 ]
40 3770/40 2.000 ± .020 [ 50.80 ] 1.950 ± .015 [ 49.53 ]
50 3770/50 2.500 ± .020 [ 63.50 ] 2.450 ± .015 [ 62.23 ]
60 3770/60 3.000 ± .020 [ 76.20 ] 2.950 ± .015 [ 74.93 ]
64 3770/64 3.200 ± .020 [ 81.28 ] 3.150 ± .015 [ 80.01 ]
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 2010. All rights reserved.
RIA-2217B-E
3M Electronics Solutions Division
6801 River Place Blvd.
Austin, TX 78726-9000
U.S.A.
1-800-225-5373
www.3Mconnector.com 3M is a trademark of 3M Company.
