3M .050" Round, Shielded Jacketed, Flat Cable 3659 Series Owner's Manual - Specifications and User Guide
Summary
This shielded, jacketed flat cable is an ideal solution for advanced electrical and networking installations requiring mass termination capability. Featuring zippable design, it utilizes 28 AWG stranded copper conductors and includes dual shielding for optimal signal integrity. The product is UL listed and engineered to meet strict National Electrical Code requirements (NEC Article 725). Designed for professionals in specialized wiring or data communication fields, the accompanying documentation provides detailed technical specifications on impedance, voltage ratings, and compliance standards, ensuring reliable performance across diverse environments.
Page 1 Text Content
.050″ Round, Shielded/Jacketed, Flat Cable 28 AWG Stranded, Mass-Term, PVC/PVC 3659 Series
Round construction permits easier routing 28 AWG wire on .050 inch pitch permits mass termination to broad line of IDC connectors Continuous split/bond repeat allows for mass termination on 2.4 inch centers (approximate) Primary cable is zippable for branching or discrete terminations Meets external wiring requirements of National Electrical Code, Article 725 (CL2) UL listed for USA and Canadian markets Dual shielding provides 35 db average shielding effectiveness
Date Modified: July 29, 1999 TS-0083-14
Sheet 1 of 2
Physical
Jacket Material: Polyvinyl Chloride (PVC) Color: Black
Primary Material: PVC
Color: Gray Marking Standard: (UL) CL2 75C 28 AWG or AWM 20267 3M NU AWM IIA/B 80C 300V FT1 EU <50V Conductors: 28 AWG 7 × 36 [ 7 × 0.127 ] Tinned Stranded Copper Shielding: .001 [ 0.03 ] Thick Aluminum/Polyester Film Foil and 90% Coverage Tinned Copper Braid
Electrical
Voltage Rating: USA: N.E.C. 725, CL2 or AWM; 300V Canada: 300V EU: <50V Insulation Resistance: > 1 × 1010 Ω/10 ft. [ 3m ]
Unbalanced Balanced
Characteristic Impedance 62Ω 106 Ω
Capacitance 27.7 p F/ft. [ 90.88 p F/m ] 15.2 p F/ft. [ 49.9 p F/m ] Inductance .13 µH/ft. [ 0.43 µH/m ] .20 µH/ft. [ 0.66 µH/m ] Propagation Delay 1.72 ns/ft. [ 5.64 ns/m ] 1.62 ns/ft. [ 5.32 ns/m ]
Velocity of Propagation 59% 62%
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: USA: CL2; 75°C Max or AWM; –20°C to +80°C Canada: 80°C
Flammability Rating: USA: N.E.C. 725, CL2 Canada: FTI
UL File No.: E118773, Power Limited Circuit Cable: CL2 (or AWM Style 20267) 3M Interconnect Solutions Division
6801 River Place Blvd. For technical, sales or ordering information call
Austin, TX 78726-9000 800-225-5373
Page Summary Contents For 3M .050" Round, Shielded Jacketed, Flat Cable 3659 Series Owner's Manual - Specifications and User Guide
Manual Details
| Brand | 3M |
|---|---|
| Pages | 2 |
| File Size | 32.26 KB |
| Published | May 12, 2026 |
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Frequently Asked Questions
What is the jacket material and available colors?
The jacket material is Polyvinyl Chloride (PVC), and it comes in Black ('Standard'), Cream, or Gray depending on special designation.
Does the cable meet electrical code requirements?
Yes, it meets external wiring requirements of National Electrical Code (NEC) Article 725 (CL2) and is UL listed for USA and Canadian markets.
What are the performance specifications for this shielded cable?
It features dual shielding with a 35 dB average shielding effectiveness. Other specs include a standard capacitance and characteristic impedance.
How does the primary cable feature assist in installation/branching?
The primary cable is zippable, allowing for easy branching or discrete terminations.