DataTray® 120Ω Twinax, 1 Pr #18 Str TC, PP Ins, OS+TC Brd, PVC Jkt, TC, PLTC, ITC, CMG

Twinax 120Ω, 1 Pair 18 AWG (7x26) Tinned Copper, PP Insulation, Overall Beldfoil®+Tinned Copper Braid(55%) Shield, PVC Outer Jacket, TC, PLTC, ITC, CMG
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Product Overview

Suitable Applications

harsh environment, IIoT, factory or process automation, video, audio, data communication, etc.

Construction Details
Element Number of Element Size Stranding Nom. Diameter Material
Pair(s) 1 18 AWG 7x26 0.046 in TC - Tinned Copper
Element Material Nom. Insulation Diameter Color Code Notes
Pair(s) PP - Polypropylene 0.164 in (4.17 mm) White & Blue Flame Retardant
Outer Shield
Layer Outer Shield Type Material Material Trade Name Coverage Notes
1 Tape Bi-Laminate (Alum+Poly) Beldfoil® 100% Foil Out
2 Braid Tinned Copper (TC) 55%
Outer Jacket
Material Nom. Diameter
PVC - Polyvinyl Chloride 0.460 in (11.7 mm)

Overall Cable Diameter (Nominal)

0.460 in (11.7 mm)

Electrical Characteristics
Frequency Nom. Attenuation
3 MHz 0.34 dB/100ft
10 MHz 1.07 dB/100ft
50 MHz 2.39 dB/100ft
100 MHz 3.38 dB/100ft
200 MHz 4.78 dB/100ft
400 MHz 6.76 dB/100ft
Element Nom. Conductor DCR Nom. Outer Shield DCR Nom. Capacitance Cond-to-Cond (Mutual) Nom. Characteristic Impedance Nom. Velocity of Prop.
Pair(s) 6.9 Ohm/1000ft (23 Ohm/km) 2.83 Ohm/1000ft (9.28 Ohm/km) 12.3 pF/ft (40.4 pF/m) 120 Ohm 65%
UL Voltage Rating
600 V (TC), 300 V (CMG, PLTC)
Mechanical Characteristics
UL Temperature Operating
75°C Dry, PLTC 75°C Dry/Wet -40°C to +75°C
Bend Radius
Stationary Min. Installation Min.
3.2 in (81 mm) 2.5 in

Max. Pull Tension

93 lbs (42 kg)

Bulk Cable Weight

89.6 lbs/1000ft (133 kg/km)

Standards and Compliance

Environmental Suitability

Indoor/Outdoor, Indoor, Outdoor, Sunlight Resistance, UV Resistance, Aerial - When supported by messenger wire


CA Prop 65

Flammability / Reaction to Fire

UL1685 UL Loading, FT1, FT4, FT1, FT4

NEC / UL Compliance

Article 336, Article 725, Article 727, Article 800, CMG, ITC, PLTC, TC

CEC / C(UL) Compliance


European Directive Compliance

EU CE Mark, EU Directive 2015/863/EU (RoHS 2 amendment), EU Directive 2011/65/EU (RoHS 2), EU Directive 2012/19/EU (WEEE)

APAC Compliance

China RoHS II (GB/T 26572-2011)

Product Notes


Cable contains rod fillers for better electrical performance. CPE Jacket Optional.


Update and Revision

Revision Number: 0.370 Revision Date: 04-08-2022

Part Numbers
Item # Color Putup Type Length UPC
3074F C55500 Blue, Cairo Reel 500 ft 612825140177
3074F C551000 Blue, Cairo Reel 1 000 ft 612825140153
3074F C552500 Blue, Cairo Reel 2 500 ft 612825140160
3074F C555000 Blue, Cairo Reel 5 000 ft 612825140184