3749-40

3M™ Round Conductor Flat Cable .025" 30 AWG Solid, TPE • Close spacing permits higher signal density • TPE insulation provides excellent transmission properties • 30 AWG solid conductors on .025 inch spacing allows for mass termination • Zippable for branching or discrete termination • Meets SCSI-3 Fast-20 characteristic impedance requirements • See the Regulatory Information Appendix (RIA) in the “RoHS compliance” section of www.3Mconnectors.com for compliance information (RIA E1 & C1 apply) Date Modified: November 1, 2013  Physical 3749 Series TS-0068-F Sheet 1 of 3 Insulation: Material: Thermoplastic Elastomer (TPE) Color: Gray Marking: Standard: None Canadian Option: C AWM 20297 105C 150V HB 3M NU AWM IA 105C 150V FT2 EU 1 × 1010 Ω/10 ft. [ 3 m ] Characteristic Impedance: Capacitance: Inductance: Propagation Delay: Velocity of Propagation: Unbalanced 90 Ω 16.5 pF/ft [ 54.1 pF/m ] 0.13 μH/ft [ 0.43 μH/m ] 1.48 ns/ft [ 4.86 ns/m ] 69% Note: Unbalanced is measured between ground-signal-ground conductors. Environmental Temperature Rating: -40°C to +105°C Flammability Rating: USA: UL Horizontal Canada: FT2 UL File No.: E42769, Style No: 20297 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 Conductor Flat Cable .025" 30 AWG Solid, TPE Number of Conductors 3M Part Number Dimension A Dimension B 10 3749/10 0.250 +/- .006 [6.35] 0.225 +/- .004 [5.72] 12 3749/12 0.300 ± .006 [7.62] 0.275 ± .004 [6.99] 14 3749/14 0.350 ± .006 [8.89] 0.325 ± .004 [8.26] 16 3749/16 0.400 +/- .006 [10.16] 0.375 +/- .004 [9.53] 20 3749/20 0.500 ± .006 [12.70] 0.475 ± .004 [12.07] 24 3749/24 0.600 +/- .006 [15.24] 0.575 +/- .004 [14.61] 26 3749/26 0.650 ± .006 [16.51] 0.625 ± .004 [15.88] 30 3749/30 0.750 +/- .009 [19.05] 0.725 +/- .006 [18.42] 34 3749/34 0.850 ± .009 [21.59] 0.825 ± .006 [20.96] 36 3749/36 0.900 ± .009 [22.86] 0.875 ± .006 [22.23] 40 3749/40 1.000 ± .009 [25.40] 0.975 ± .006 [24.77] 50 3749/50 1.250 ± .009 [31.75] 1.225 ± .006 [31.12] 60 3749/60 1.500 ± .012 [38.10] 1.475 ± .009 [37.47] 68 3749/68 1.700 ± .012 [43.18] 1.675 ± .009 [42.55] 80 3749/80 2.000 ± .015 [50.80] 1.975 ± .011 [50.17] 100 3749/100 2.500 ± .015 [63.50] 2.475 ± .012 [62.87] Inch [mm] Tolerance Unless Noted Inch .0 .00 .000 ±.1 ±.05 ±.010 3749 Series [ ] Dimensions for Reference Only A B .013 ± .005 [0.33] .025 ± .002 Typ [0.64] .025 ± .003 [ 0.64 ] 30 AWG [0.254] Tinned Solid Copper Conductors TPE Insulation Note: Blue marking on one edge of cable designates wire #1. Ordering Information 3749 / XX XX Number of Conductors (See Table) Note: Available in standard 100 ft or 300 ft rolls, please specify when ordering. Contact 3M for availability of additional conductor counts and/or custom roll lengths. 3 Interconnect Solutions http://www.3Mconnectors.com Blank = Standard SF = Splice Free TS-0068-F Sheet 2 of 3 3M is a trademark of 3M Company. For technical, sales or ordering information call 800-225-5373 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. 3 Electronic Solutions Division 6801 River Place Blvd. Austin, TX 78726-9000 U.S. A. 800-225-5373 www.3Mconnectors.com Please recycle. Printed in USA. © 3M 2013 All rights reserved. RIA-2217B-E 3M is a trademark of 3M Company.