Product Hierarchy
Product Hierarchy

1303E - CATSNAKE S/FTP Cat6a PVC PVC upjacketed

CATSNAKE S/FTP Cat6a PVC PVC upjacketed

Product Overview

Suitable Applications: Field deployable CAT6a patch horizontal and building backbone cable; CobraNEt, eSnake, Ethersound, Digital audio over Ethernet; Support current and future Category 6A and 6 applications, such as: 10GBase - T(10 Gigabit Ethernet), 1000 Base - T (Gigabit Ethernet), 100 Base - T, 10 Base - T, FDDI, ATM; Compatible connectors Belden R301601 000S1 (T568A) and R301602 000S1 (T568B)

Physical Characteristics (Overall)

AWGStrandingMaterialNo. of Pairs
247x32BC - Bare Copper4
Conductor Count: 8
Total Number of Pairs: 4
TypeMaterialNominal Diameter
DielectricPE - Polyethylene (Foam)1.4 mm
Bonded-Pair: No
Color Chart
Pair 1White & Blue
Pair 2White & Orange
Pair 3White & Green
Pair 4White & Brown
Inner Shield Material
TypeMaterialCoverage [%]
TapeBi-Laminate (Alum+Poly)100%
Table Notes: Aluminum facing outside
Outer Shield Material
TypeMaterialDrainwire MaterialDrainwire AWGMin. Coverage [%]
BraidTinned Copper (TC)TC - Tinned Copper2680%
Outer Jacket Material
LayerMaterialColorNominal DiameterDiameter +/- ToleranceDiameter - ToleranceNominal Wall ThicknessSeparator Material
1PVC - Polyvinyl ChlorideBlack (RAL 9005)7.2 mm0.3 mm0.45 mm
2PVC - Polyvinyl ChlorideBlack (RAL 9005)8.7 mm0.3 mm0.7 mmnon-Woven Tape
Table Notes: Matte Finish, Rugged Sheath

Construction and Dimensions

Min Elongation at Breakof Conductors: 10 %
Min Elongation at Breakof Insulation: 100 %
Min Elongation at Breakof Jacket: 100 %
Min Tensile Strength of Jacket: 9 MPa

Electrical Characteristics

Conductor DCR
Max. Conductor DCRMax DCR Unbalanced Between Pairs [%]Max. DCR Unbalanced Within Pair [%]
95 Ohm/km4 %2 %
Max. Capacitance UnbalanceMax. Mutual Capacitance
1,600 pF/km56 pF/m
Nominal Characteristic Impedance
100 Ohm
Max. Delay Skew
25 ns/100m
High Freq
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. PSANEXTMin. PSAACRFMin. TCL [dB]Min. ELTCTL [dB]
1 MHz2.5 dB/100m75.3 dB72.3 dB72.8 dB69.8 dB68 dB65 dB20 dB67 dB67 dB40 dB35 dB
4 MHz4.6 dB/100m66.3 dB63.3 dB61.7 dB58.7 dB56 dB53 dB23 dB67 dB66.2 dB34 dB23 dB
10 MHz7.1 dB/100m60.3 dB57.3 dB53.2 dB50.2 dB48 dB45 dB25 dB67 dB58.2 dB30 dB15 dB
16 MHz9 dB/100m57.2 dB54.2 dB48.3 dB45.3 dB43.9 dB40.9 dB25 dB67 dB54.1 dB28 dB10.9 dB
31.2 MHz12.6 dB/100m52.9 dB49.9 dB50.4 dB47.3 dB38.1 dB35.1 dB23.6 dB67 dB48.3 dB25.1 dB5.1 dB
62.5 MHz18 dB/100m48.4 dB45.4 dB30.4 dB27.4 dB32.1 dB9.1 dB21.5 dB65.6 dB42.3 dB22 dB
100 MHz23 dB/100m45.3 dB42.3 dB22.3 dB19.3 dB28 dB25 dB20.1 dB62.5 dB38.2 dB20 dB
125 MHz25.8 dB/100m43.8 dB40.8 dB18 dB15 dB26.1 dB23.1 dB19.4 dB61 dB36.3 dB19 dB
200 MHz33.1 dB/100m40.8 dB37.8 dB7.7 dB4.7 dB22 dB19 dB18 dB58 dB32.2 dB17 dB
250 MHz37.3 dB/100m39.3 dB36.3 dB2 dB-1 dB20 dB17 dB17.3 dB56.5 dB30.2 dB16 dB
300 MHz41.1 dB/100m38.1 dB35.1 dB-3 dB-6 dB18.5 dB15.5 dB17.3 dB55.3 dB28.7 dB
500 MHz54.3 dB/100m34.8 dB31.8 dB-19.5 dB-22.5 dB14 dB11 dB17.3 dB52 dB24.2 dB
Table Notes: Reference standard: IEC 61156-6
General Electrical Parameters Notes: Reference standard: ISO/IEC 61156-6
Coupling Attenuation Class: Type Ib
Segregation class according EN50174-2: c
Transfer Impedance
Frequency [MHz]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
Max. Recommended Current [A]
1.5 Amps per Conductor
Voltage Rating [V]
72 V

Temperature Range

Installation Temp Range: 0°C To +50°C
Operating Temp Range: -30°C To +60°C

Mechanical Characteristics

Bulk Cable Weight: 83 kg/km
Max. Pull Tension: 75 N
Min. Bend Radius During Installation: 64 mm
Min Bend Radius During Operation: 32 mm


IEC Compliance: ISO/IEC 11801-1
CENELEC Compliance: EN 50173-1
Data Category: Category 6A
ANSI Compliance: ANSI/TIA 568.2-D (2018)
IEEE Compliance: PoE: IEEE 802.3bt Type 1, Type 2, Type 3, Type 4

Applicable Environmental and Other Programs

Environmental Space: Indoor/Outdoor
EU RoHS Compliance Date (yyyy-mm-dd): 2014-11-27

Flammability, LS0H, Toxicity Testing

IEC Flammability: IEC 60332-1
Burning Load: 900 kJ/m

Part Number

Item #ColorPutup TypeLengthUPC/EAN
1303E.00152BlackReel152 m8719605000927
1303E.00305BlackReel305 m8719605000941
1303E 010500BlackReel500 ft612825381839
1303E.00500BlackReel500 m8719605000958
1303E 0101000BlackReel1,000 ft612825381822
1303E 0101640BlackReel1,640 ft612825381815
1303E.003000BlackReel3,000 m8719605000934

Product Notes

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


Update and Revision: Revision Number: 0.370 Revision Date: 06-16-2021
Date: 2014-11-27
High Performance Shielded CatSnake™ Cat 6A Cable
Description: Belden launches a range of high performance Shielded CatSnake™ Cat 6A cables for use in studios and in tactical field deployable audio/data installations.
Version: PB 135E
No accessories are available for this product