Product Hierarchy
Product Hierarchy

1668ENH - Category 5e Cable, 2 x 4 Pair, F/UTP, LSZH Indoor CPR Eca


Category 5e Premise Horizontal Cable (100MHz) shotgun, 2 x 4-Pair, 24 AWG solid bare copper conductors, F/UTP, Polyethylene insulation, Beldfoil® shield, AWG 26 solid tinned copper drainwire, LSZH jacket

Product Overview

Suitable Applications: Horizontal and building backbone cable; Support current and future Category 5e applications, such as: 1000Base-T (Gigabit Ethernet), 100 Base-T, 10 Base-T, FDDI, ATM

Construction Details

Conductor
ElementSizeStrandingMaterialNo. of Pairs
Individual Pair24 AWGSolidBC - Bare Copper8
Insulation
ElementMaterialNom. Insulation DiameterColor Code
Individual PairPE - Polyethylene1.05 mm (0.0413 in)White/Blue & Blue, White/Green & Green, White/Orange & Orange, White/Brown & Brown
Cable Core
Description
4 pairs twisted together covered with a polyester foil
Outer Shield
Shield TypeMaterialCoverageDrainwire Type
TapeBi-Laminate (Alum+Poly)100%26 AWG (Solid) TC
Table Notes: Aluminum facing outside in contact with drain wire
Outer Jacket
MaterialNom. Diameter
LSZH - Low Smoke Zero Halogen (Flame Retardant)6 mm (0.24 in)
Table Notes: Figure 8 construction
Overall Cable Diameter (Nominal): 6 mm (0.24 in)

Electrical Characteristics

Electricals
Max. Conductor DCRMax. Mutual CapacitanceMax. Capacitance UnbalanceNom. Characteristic Impedance
95 Ohm/km56 pF/m (17 pF/ft)160 pF/100m100 Ohm
Delay
Max. Delay SkewNom. Velocity of Prop.
40 ns/100m 60%
High Frequency
Frequency [MHz]Max. Insertion Loss (Attenuation)Min. NEXT [dB]Min. PSNEXT [dB]Min. ACR [dB]Min. PSACR [dB]Min. ACRF (ELFEXT) [dB]Min. PSACRF (PSELFEXT) [dB]Min. RL (Return Loss) [dB]Min. TCL [dB]Min. ELTCTL [dB]
12.1 dB/100m65.362.363.260.26461204035
44 dB/100m56.353.352.3249.35249233423
106.3 dB/100m50.347.344414441253015
168 dB/100m47.244.239.236.239.936.9252810.9
209 dB/100m45.842.836.833.8383525279
31.2511.4 dB/100m42.939.931.528.534.131.523.625.15.5
62.516.5 dB/100m38.435.421.918.928.125.121.522
10021.3 dB/100m35.332.31411242120.120
Table Notes: Limits below 4 MHz are for information only. Reference standard: IEC 61156-5
Transfer Impedance
FrequencyMax. Transfer Impedance
1 MhzMax. 50 mOhm/m
10 MhzMax. 100 mOhm/m
30 MhzMax. 200 mOhm/m
100 MhzMax. 1000 mOhm/m
Transfer Impedance Class: Grade 2
Screening Class: Type II
Table Notes: Coupling Attenuation
Voltage
Voltage Rating
72 V DC

Mechanical Characteristics

Temperature
OperatingInstallation
-30°C to +60°C0°C To +50°C
Bend Radius
Stationary Min.Installation Min.
24 mm (0.94 in)48 mm
Max. Pull Tension: 130 N (29 lbf)
Bulk Cable Weight: 78 kg/km

Standards and Compliance

Environmental Suitability: Indoor - Euroclass Eca
Flammability / Reaction to Fire: IEC 60332-1-2
CPR Compliance: CPR Euroclass: Eca
IEEE Compliance: PoE: IEEE 802.3bt Type 1, Type 2, Type 3
Data Category: Category 5e
TIA/EIA Compliance: ANSI/TIA 568.2-D
ISO/IEC Compliance: ISO/IEC 11801-1, IEC 61034-2 - Smoke Density Min Transmittance = 60%
CENELEC Compliance: EN 50173-1, Segregation class according EN50174-2 = a
European Halogen Free Standards: IEC 62821-1 Halogen Free Compliance = Yes, IEC 60754-1 - Halogen Amount = Zero, IEC 60754-2 - Halogen Acid Gas Amount - Max. Conductivity = 2.5 µS/mm, IEC 60754-2 - Halogen Acid Gas Amount - Min. pH = 4.3
European Directive Compliance: EU CE Mark
UK Regulation Compliance: UKCA Mark

Product Notes

Notes: Electrical values are expected performance based on cable testing and representative performance within a typical Belden system.

History

Update and Revision: Revision Number: 0.286 Revision Date: 02-03-2025

Part Numbers

Variants
Item #ColorPutup TypeLengthEAN
1668ENH.00500Gray, RAL 7032Reel500 m8719605003195
Date: 2005-09-30
Belden-Copper-Catalog-2016.pdf
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