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3M ? Round, Shielded/Jacketed, Disc. Wire Cable
28 AWG Stranded, Twisted Pair, Halogen Free PO/PO HF644 Series
? Low Smoke Zero Halogen (LSZH). Advantages of LSZH
insulation are the low smoke (IEC 61034-2:2005), and low
toxicity of combustion gases (NF X 70-100-2:2006), reducing the
risk to firefighters, and reducing soot and corrosion damage to
nearby equipment.
? Broad operating temperature range from -40°C to 105°C
? Stranded wire provides flexible routing
? Twisted pair construction helps reduce crosstalk for balanced
drive applications
? Dual shielding with aluminum film foil and copper braid provides
EMI/ESD protection
? Wires are color coded for easy identification
? See the Regulatory Information Appendix (RIA) in the “RoHS
compliance” section of www.3Mconnector.com for compliance
information (RIA E1 & C1 apply)
Physical
Date Modified: December 9, 2010
Jacket Material: Halogen Free Polyolefin (PO)
Color: Dark Gray
Primary Material: Halogen Free Polyolefin (PO)
Color: See "Pair Identification" table
Marking Standard: None
Conductors: 28 AWG, 7 × 36 AWG [ 7 × ? 0.127 ] Tinned Stranded Copper
TS-2355-B
Sheet 1 of 3
Electrical
Material:
0.001 [ 0.03 ] Thick Aluminum/Polyester Film Foil and 90% Coverage Tinned
Copper Braid
Voltage Rating: USA: 300V
Canada 150V
EU: <50V
Insulation Resistance: (Primary Cable)> 1 × 10 10 Ω /10 ft. [ 3.05 m ]
Characteristic Impedance: Unbalanced
58 Ω
Balanced
95 Ω
Capacitance:
Inductance:
Propagation Delay:
Velocity of Propagation:
27.7 pF/ft [ 90.9 pF/m ]
0.09 μH/ft [ 0.30 μH/m ]
1.62 ns/ft [ 5.31 ns/m ]
63%
17.0 pF/ft [ 55.8 pF/m ]
0.15 μH/ft [ 0.49 μH/m ]
1.61 ns/ft [ 5.28 ns/m ]
63%
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: -40°C to +105°C
Flammability Rating: VW-1
3
Electronic Solutions Division
Interconnect Solutions
http://www.3Mconnector.com
Halogen Free is defined as both 1) no halogen compounds that are intentionally
added to the product or used in the manufacturing process for the product and
2) any impurities present are less than 900 ppm bromine, less than 900 ppm
chlorine and/or less than 1500 ppm total bromine and chlorine. The latter are
the levels set forth in certain industry standards for printed circuit boards, such
as the International Electrotechnical Commission (IEC) 61249-2-21 standard.
This information represents 3M’s knowledge and belief which may be based in
whole or in part on information provided by 3rd party suppliers to 3M.
3M is a trademark of 3M Company.
For technical, sales or ordering information call
800-225-5373
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