参数资料
型号: 3517/20 100SF
厂商: 3M
文件页数: 1/3页
文件大小: 0K
描述: CABLE 20 COND 50FT SHIELD FLAT
产品培训模块: Cable Matters
产品目录绘图: 3517 Series_20
特色产品: 3M? Cables
标准包装: 1
系列: 3517
缆线类型: 扁平缆线,扁平套管
导线数: 20
间距: 0.050"(1.27mm)
长度: 50.0'(15.24m)
线规: 28 AWG
线束: 7 股 / 36 AWG
屏蔽: 屏蔽
颜色:
套管类型: 聚氯乙烯(PVC)
额定电压: 300V
工作温度: -20°C ~ 80°C
其它名称: MB20H-50
3M ? Shielded/Jacketed, Flat Cable
.050" 28 AWG Stranded, PVC/PVC
3517 Series
? Meets external wiring requirements of National
Electrical Code, Article 725 (CL2)
? UL listed for USA and Canadian markets
? 28 AWG stranded wire on .050 inch centers permits
mass termination to broad line of IDC connectors
? 360 degree expanded copper shielding provides 20 db
average shielding effectiveness
? Primary cable is zippable for branching or discrete
terminations
?  See the Regulatory Information Appendix (RIA) in 
the “RoHS compliance” section of www.3M.com/
Interconnects for compliance information  
(RIA E1 & C1 apply)
Physical
Date Modified: December 8, 2009
TS-0069-D
Sheet 1 of 2
Jacket Material:
Polyvinyl Chloride (PVC)
Color: Black
Primary Material: PVC
Color: Gray
Marking:
Standard: (UL) CL2 75C 28 AWG or AWM 20879 3M NU C
AWM IIA/B 80C 300V FT1 EU <50V
Conductors:
28 AWG, 7 × 36 AWG [ 7 × ? 0.127 ] Tinned Stranded Copper
Shielding Material: Expanded Copper
Electrical
Voltage Rating:
Insulation Resistance:
USA: N.E.C. 725, CL2 or AWM 300V
(Primary Cable) > 1 × 10 10 Ω /10 ft. [ 3 m ]
Canada: <50V
EU: <50V
Characteristic Impedance:
Capacitance:
Inductance:
Propagation Delay:
Velocity of Propagation:
Unbalanced
70 Ω
21.5 pF/ft [ 70.5 pF/m ]
0.11 μH/ft [ 0.35 μH/m ]
1.51 ns/ft [ 4.95 ns/m ]
67%
Balanced
119 Ω
12.7 pF/ft [ 41.7 pF/m ]
0.18 μH/ft [ 0.59 μH/m ]
1.51 ns/ft [ 4.95 ns/m ]
67%
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:
Flammability Rating:
USA: CL2; 75°C or AWM: -20°C to +80°C
USA: N.E.C. 725, CL2
Canada: 80°C
Canada: FT1
UL File No.: E118773, Power Limited Circuit Cable: CL2 (or AWM Style 20879)
3
Interconnect Solutions
http://www.3M.com/interconnects/
3M is a trademark of 3M Company.
For technical, sales or ordering information call
800-225-5373
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