3749/68 3M, 3749/68 Datasheet - Page 4

• Manufacturer Part Number: 3749/68
• Description: =UL/68/CAB/TYP1/TPE/RC/30AWG/SLD/.025"/100
• Manufacturer: 3M

Specifications of 3749/68

• Cable Type: Flat
• Color, Jacket: Gray
• Material, Conductor: Tinned Copper
• Material, Insulation: TPE
• Number Of Conductors: 68 Cond
• Standards: UL, cUL
• Stranding: Solid
• Temperature, Operating: -40 to +105 °C
• Temperature, Rating: -40 to +105 °C
• Voltage, Rating: 150 V
• Width, Nominal: 1.7 in. +⁄- 0.012 in.
• Wire Size: 30 AWG
• Wire, Awg: 30

3M
.025" 30 AWG Solid, TPE
Physical
Note: Unbalanced is measured between ground-signal-ground conductors.
Environmental
UL File No.: E42769, Style No: 20297
3
Electrical
™
Characteristic Impedance:
Regulatory Classification:
Round Conductor Flat Cable
Velocity of Propagation:
Insulation Resistance:
Flammability Rating:
Temperature Rating:
Propagation Delay:
Voltage Rating:
Canadian Option:
Capacitance:
Conductors:
Inductance:
Insulation:
Marking:
Standard: None
Material: Thermoplastic Elastomer (TPE)
Color: Gray
C
30 AWG [ Ø 0.254 ] Tinned Solid Copper
USA: 150V
(Primary Cable) >1 x 10
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%
-40°C to +105°C
USA:VW-1 Canada:FT1
EU: Not compliant, see RIA note E4
CN:
Regulatory Information Appendix (RIA) attached
AWM 20297 105C 150V VW1 3M NU
AWM IA 105C 150V FT1 EU <50V
see RIA note C1
Canada: 150V
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Date Modified: July 31, 2008
10
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 Regulatory Classification note in Environmental
section below.
Ω /10ft [3m]
3M is a trademark of 3M Company.
3749 Series
Sheet 1 of 2
TS-0068-C