3749-SERIES 3M | Alldatasheet
Document overview
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Technical content
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 3749 Series
- 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 TS-0068-F Sheet 1 of 3 Physical Insulation: Material: Thermoplastic Elastomer (TPE) Color: Gray Marking: Standard: None Canadian Option: AWM 20297 105C 150V HB 3M NU C AWM IA 105C 150V FT2 EU <50V Conductors: 30 AWG [ Ø 0.254 ] Tinned Solid Copper Electrical Voltage Rating: USA: 150V Canada: 150V Insulation Resistance: (Primary Cable) > 1 × 1010 Ω/10 ft. [ 3 m ] Characteristic Impedance: Unbalanced 90 Ω Capacitance: 16.5 pF/ft [ 54.1 pF/m ] Inductance: 0.13 μH/ft [ 0.43 μH/m ] Propagation Delay: 1.48 ns/ft [ 4.86 ns/m ] Velocity of Propagation: 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
3M™ Round Conductor Flat Cable .025" 30 AWG Solid, TPE 3749 Series Interconnect Solutions http://www.3Mconnectors.com 3M is a trademark of 3M Company. For technical, sales or ordering information call 800-225-5373 TS-0068-F Sheet 2 of 3
Ordering Information
[mm] Tolerance Unless Noted .0 .00 .000 [ ] Dimensions for Reference Only 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. Note: Blue marking on one edge of cable designates wire #1. Number of Conductors (See Table) Blank = Standard SF = Splice Free Number of Conductors 3M Part Number Dimension A Dimension B A B .025 ± .003 [ 0.64 ] TPE Insulation .013 ± .005 [ 0.33 ] .025 ± .002 Typ [ 0.64 ] 30 AWG [0.254] Tinned Solid Copper Conductors
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