Product Hierarchy
Product Hierarchy

74005NH - DataTuff® 7, 4PR #26 Str BC, PO ins, S/FTP, LSNH Jkt, AWM 20851

DataTuff® 7, 4 Pair AWG 26 Bare Copper - Stranded, Polyolefin (PO, PE, PP) insulation, S/FTP - Overall Braid / Individual Foil shielding, LSZH / FRNC jacket , AWM 20851

Physical Characteristics (Overall)

AWGStrandingMaterialConstruction n x DNo. of Pairs
26StrandedBC - Bare Copper7x0.16 mm4
Total Number of Conductors: 8
Total Number of Pairs: 4
MaterialNominal DiameterDiameter +/- Tolerance
PO - Polyolefin (Foam)1.05 mm0.05 mm
Bonded-Pair: No
Color Chart
Pair 1White & Blue
Pair 2White & Orange
Pair 3White & Green
Pair 4White & Brown
Inner Shield Material
TapeBi-Laminate (Alum+Poly)
InnerShield, Table Note: Aluminum outside
Outer Shield Material
TypeMaterialMin. Coverage [%]
BraidTinned Copper (TC)65%
Outer Jacket Material
MaterialNominal DiameterDiameter +/- ToleranceNominal Wall Thickness
LSZH - Low Smoke Zero Halogen (Flame Retardant)6.8 mm0.3 mm0.5 mm

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 Within Pair [%]
145 Ohm/km2 %
Max. Capacitance UnbalanceMax. Mutual Capacitance
1.6 pF/m56 pF/m
Nominal Characteristic ImpedanceNominal Characteristic ToleranceNominal Input Impedance
100 Ohm5 Ohm100 +/- 15 Ohm
Max. Delay SkewNominal Velocity of Propagation (VP) [%]
40 ns/100m70%
High Freq
Frequency [MHz]Max. Insertion Loss (Attenuation)Min. NEXT [dB]Min. PSNEXT [dB]Min. ACRF (ELFEXT) [dB]Min. PSACRF (PSELFEXT) [dB]Min. RL (Return Loss) [dB]
1 MHz2.7 dB/100m80 dB77 dB
4 MHz5.5 dB/100m80 dB77 dB80 dB77 dB23 dB
10 MHz8.5 dB/100m80 dB77 dB74 dB71 dB25 dB
16 MHz10.8 dB/100m80 dB77 dB69.9 dB66.9 dB25 dB
20 MHz12.1 dB/100m80 dB77 dB68 dB65 dB25 dB
31.25 MHz15.2 dB/100m80 dB77 dB64.1 dB61.1 dB23.6 dB
62.5 MHz27.8 dB/100m75.1 dB72.1 dB58.1 dB55.1 dB21.5 dB
100 MHz27.8 dB/100m72.4 dB69.4 dB54 dB51 dB20.1 dB
200 MHz40.1 dB/100m67.9 dB64.9 dB48 dB45 dB18 dB
300 MHz50 dB/100m65.3 dB62.3 dB44.5 dB41.5 dB17.3 dB
600 MHz73.3 dB/100m60.8 dB57.8 dB38.4 dB35.4 dB17.3 dB
Transfer Impedance
Frequency [MHz]Transfer Impedance
10 MhzMax. 5 mOhm/m
ElementMax. Recommended Current [A]
Conductor1 A
UL Voltage RatingVoltage Rating [V]
30 V RMS450 V DC and 300 V AC

Temperature Range

Installation Temp Range: -15°C To +60°C
Storage Temp Range: -40°C To +80°C
Operating Temp Range: -40°C To +80°C

Mechanical Characteristics

Oil Resistance: IEC 60811-2-1
Max Recommended Pulling Tension: 80 N
Min Bend Radius (W/o Pulling Strength): 65 mm
Min Setting Radius: 30 mm


UL AWM Style: AWM 20851
ISO/IEC Compliance: ISO/IEC 11801-1
CPR Euroclass: Eca
CENELEC Compliance: EN 50173-1
ANSI/TIA Category: Category 7
ANSI Compliance: ANSI/TIA 568.2-D (2018)

Applicable Environmental and Other Programs

Environmental Space: Indoor - Euroclass Eca
EU RoHS Compliance Date (yyyy-mm-dd): 2004-01-01


Suitability - Oil Resistance: Yes
Suitability - Sunlight Resistance: Yes

Flammability, LS0H, Toxicity Testing

ISO/IEC Flammability: IEC 60332-1-2
Amt of Halogen IEC 60754-1 /EN50267-1: Zero
Amt of Halogen Acid Gas; MaxConductivity: 2.5 µS/mm
Amt of Halogen Acid Gas; Min pH: 4.3

Part Number

Item #ColorPutup TypeLengthEAN
74005NH.07500BlackReel500 m8719605013262
74005NH.11500BlueReel500 m8719605013309
74005NH.01500BlueReel500 m
74005NH.10500GrayReel500 m8719605013293
74005NH.08500GreenReel500 m8719605013279
74005NH.09500OrangeReel500 m8719605013286
74005NH.13500RedReel500 m8719605013323
74005NH.06500RedReel500 m
74005NH.12500YellowReel500 m8719605013316


Update and Revision: Revision Number: 0.222 Revision Date: 12-18-2020
Date: 2004-01-01
Belden Cables, Wires and Accessories for Industrial Applications_Original_87238-1.pdf
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