The Belden 1668A Multi-Conductor Category 5 Unbonded Pair Cable is suitable for horizontal cable on premises.
Cable Construction
| Number of Pairs: | 8 |
| Conductor AWG: | 24 |
| Conductor Stranding: | Solid |
| Conductor Material: | Bare Copper |
| Insulation Material: | Polyolefin |
| Outer Shield: | Aluminium Foil Polyester Tape Beldfoil ® |
| Shield Material Coverage: | 100% |
| Outer Shield Drain Wire AWG: | 24 |
| Outer Shield Stranding: | Solid |
| Drain Wire Conductor Material: | Tinned Copper |
| Outer Jacket Material: | PVC Polyvinyl Chloride |
| Overall Nominal Diameter: | 0.518 x 0.254" |
| Outer Jacket Ripcord: | Yes |
| Pair Colour Coding: | 1: White / Blue Striped & blue |
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2: White / Orange Stripe & Orange |
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3: White / Green Stripe & Green |
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4: White / Brown Stripe & Brown |
Mechanical Properties
| Operating Temperature Range: | -20°C to +75°C |
| Bulk Cable Weight: | 60 lbs / 1000ft |
| Maximum Recommended Pulling Tension: | 50 lbs |
| Minimum Bending Radius (Install) / Minor Axis: | 2.4" |
Cable Standards
| NEC / (UL): | CM, UL444 |
| CEC/C(UL): | CM |
| EU CE Mark: | Yes |
| EU Directive 2000/53/EC (WEEE): | Yes |
| EU Directive 2002/95/EC (RoHS): | Yes |
| EU RoHS Compliance Date : | 01/01/2004 |
| EU Directive 2002/96/EC (WEEE): | Yes |
| EU Directive 2003/11/EC (BFR): | Yes |
| CA Prop 65 (CJ for Wire and Cable) | Yes |
| MII Order #39 (China RoHS): | Yes |
| Telecommunications Standards: | 568 TSB 36, Category 5 |
| Other Specifications: | Each leg ETL verified to TSB 36 Category 5 |
| UL Flame Test: | UL1685 UL Loading |
| CSA Flame Test: | FT1 |
| Plenum: | No |
Electrical Properties
| Nominal Mutual Capacitance: | 15 pF/ft |
| Nominal Velocity of Propagation: | 67% VP |
| Maximum Capacitance Unbalance (pF/100m): | 330 |
| Maximum Delay: | 5.38@100MHz (ns/100m) |
| Maximum Delay Skew: | 45 (ns/100m) |
| Maximum Conductor DC Resistance: | 9.38 @20°C (Ohm / 100m) |
| Maximum Operating Voltage - UL: | 300 V RMS |
| Maximum DCR Unbalanced: | 5 @ 20°C (%) |
| Frequency (MHz) | Max Attenuation | Min NEXT | Min. PSNEXT | Min. SRL | Fitted Imp. |
| MHz | dB/100m | dB | dB | dB | Ohms |
| 1 | 2.0 | 62.3 | n/a | n/a | 100 ± 15% |
| 4 | 4.1 | 53.3 | n/a | n/a | 100 ± 15% |
| 8 | 5.8 | 48.8 | n/a | n/a | 100 ± 15% |
| 10 | 6.5 | 47.3 | n/a | n/a | 100 ± 15% |
| 16 | 8.2 | 44.3 | n/a | n/a | 100 ± 15% |
| 20 | 9.3 | 42.8 | n/a | n/a | 100 ± 15% |
| 25 | 10.4 | 41.3 | n/a | n/a | 100 ± 15% |
| 31.25 | 11.7 | 39.9 | n/a | n/a | 100 ± 15% |
| 62.5 | 17.0 | 35.4 | n/a | n/a | 100 ± 15% |
| 100 | 22.0 | 32.3 | n/a | n/a | 100 ± 15% |
Cable Notes
- Leg One = 4pr Cat 5
- Leg Two = 4pr Cat 5
- Colour Code and Shielding Applies to both legs
- A polarity rib is applied to one leg
- Not compatible with RJ11/12/45 connectors
- Jacket sequentially marked at 2ft intervals
- Third party verified to TIA / EIA-568-TSB 36
- Category 5 (Leg 1 & 2)
Cable Ordering
| Part No. | Length (m) | Shipping Weight (kg) | Colour | Notes | Item Description |
| 1668A F6H1000 | 305 | 31.75 | Grey, Dark Pearl | C Z | 2 X 4 PR #24 PP PVC PARA |
| 1668A F6H1640 | 500 | 49.84 | Grey, Dark Pearl | C N | 2 X 4 PR #24 PP PVC PARA |
C: Reel Put Up
N : Final put up length may vary -0% TO +10% from length shown
Z : Final put up length may vary ±10% for spools or reels and ±5% for unreel cartons from length shown