Product Hierarchy
Product Hierarchy

1855A - 75 Ohm SDI Coax, Mini RG-59, 23 AWG Solid BC, Foil + 95% TC Braid, PVC Jkt, CMR

75 Ohm SDI Coax, Mini RG-59, 23 AWG Solid Bare Copper Conductor, PE Insulation, Foil + 95% Tinned Copper Braid Shield, PVC Jacket, CMR

Product Overview

Suitable Applications: Digital Video, 6 Gb/s UHDTV, HD-SDI 1080p

Construction Details

RG Type: Mini 59
SizeStrandingNom. DiameterMaterial
23 AWGSolid0.023 inBC - Bare Copper
MaterialNom. Insulation Diameter
PE - Polyethylene (Foam)0.102 in (2.59 mm)
Outer Shield
LayerOuter Shield TypeMaterialMaterial Trade NameCoverage
1TapeTri-Laminate (Alum+Poly+Alum)Duofoil®100%
2BraidTinned Copper (TC)95%
Outer Jacket
MaterialNom. Diameter
PVC - Polyvinyl Chloride0.159 in (4.04 mm)
Overall Cable Diameter (Nominal): 0.159 in (4.04 mm)

Electrical Characteristics

Return Loss (RL)
FrequencyMin. Return Loss
5 - 1600 MHz23 dB
1600 - 4500 MHz21 dB
4500 - 6000 MHz15 dB
FrequencyNom. Attenuation
1 MHz0.39 dB/100ft
3.58 MHz0.78 dB/100ft
5 MHz0.92 dB/100ft
6 MHz1.00 dB/100ft
7 MHz1.08 dB/100ft
10 MHz1.2 dB/100ft
12 MHz1.3 dB/100ft
25 MHz1.8 dB/100ft
67.5 MHz2.83 dB/100ft
71.5 MHz2.93 dB/100ft
88.5 MHz3.22 dB/100ft
100 MHz3.39 dB/100ft
135 MHz3.84 dB/100ft
143 MHz4.00 dB/100ft
180 MHz4.41 dB/100ft
270 MHz5.44 dB/100ft
360 MHz6.34 dB/100ft
540 MHz7.85 dB/100ft
720 MHz9.15 dB/100ft
750 MHz9.31 dB/100ft
1000 MHz10.89 dB/100ft
1500 MHz13.38 dB/100ft
2000 MHz15.64 dB/100ft
2250 MHz16.68 dB/100ft
3000 MHz19.65 dB/100ft
4500 MHz24.35 dB/100ft
6000 MHz28.97 dB/100ft
Nom. Conductor DCRNom. Outer Shield DCRNom. Capacitance Cond-to-ShieldNom. Characteristic ImpedanceNom. Velocity of Prop.
20.1 Ohm/1000ft (65.9 Ohm/km)3.7 Ohm/1000ft (12 Ohm/km)16.3 pF/ft (53.5 pF/m)75 Ohm82%
UL Voltage Rating
300 V (CMR, CMG)

Mechanical Characteristics

UL TemperatureOperating
75°C-30°C to +75°C
Bend Radius
Installation Min.
1.6 in
Max. Pull Tension: 33 lbs (15 kg)
Bulk Cable Weight: 17 lbs/1000ft

Standards and Compliance

Environmental Suitability: Indoor/Outdoor, Indoor, UV Resistance, Aerial - Black only, When supported by messenger wire
Sustainability: CA Prop 65
Flammability / Reaction to Fire: UL1666 Vertical Shaft, FT4
NEC / UL Compliance: CMR
CEC / C(UL) Compliance: CMG
European Directive Compliance: EU CE Mark, EU Directive 2015/863/EU (RoHS 2 amendment), REACH, EU Directive 2011/65/EU (RoHS 2), EU Directive 2012/19/EU (WEEE)
APAC Compliance: China RoHS II (GB/T 26572-2011)
Plenum Number: 1855P


Update and Revision: Revision Number: 0.364 Revision Date: 04-08-2022

Part Numbers

Item #ColorPutup TypeLengthUPC
1855A 010500BlackReel500 ft612825356950
1855A 0101000BlackReel1,000 ft612825358503
1855A 010N1000BlackReel w/Small Barrel1,000 ft
1855A 010Z1000BlackReelTuff Box1,000 ft612825434993
1855A 0105000BlackReel5,000 ft612825436126
1855A 0061000Blue, LightReel1,000 ft612825358459
1855A 006N1000Blue, LightReel w/Small Barrel1,000 ft
1855A 006Z1000Blue, LightReelTuff Box1,000 ft612825434955
1855A 0065000Blue, LightReel5,000 ft612825436072
1855A 0011000BrownReel1,000 ft612825356851
1855A 001N1000BrownReel w/Small Barrel1,000 ft
1855A 0015000BrownReel5,000 ft612825436027
1855A 0081000GrayReel1,000 ft612825358510
1855A 008N1000GrayReel w/Small Barrel1,000 ft
1855A 0085000GrayReel5,000 ft612825436096
1855A N3U1000Green, MilReel1,000 ft612825358480
1855A N3UN1000Green, MilReel w/Small Barrel1,000 ft
1855A N3UZ1000Green, MilReelTuff Box1,000 ft612825435006
1855A N3U5000Green, MilReel5,000 ft612825436133
1855A 0031000OrangeReel1,000 ft612825356844
1855A 003N1000OrangeReel w/Small Barrel1,000 ft
1855A 003Z1000OrangeReelTuff Box1,000 ft612825434931
1855A 0035000OrangeReel5,000 ft612825436041
1855A 0021000RedReel1,000 ft612825358473
1855A 002N1000RedReel w/Small Barrel1,000 ft
1855A 002Z1000RedReelTuff Box1,000 ft612825434917
1855A 0025000RedReel5,000 ft612825436034
1855A 0071000VioletReel1,000 ft612825356837
1855A 007N1000VioletReel w/Small Barrel1,000 ft
1855A 007Z1000VioletReelTuff Box1,000 ft612825434962
1855A 0075000VioletReel5,000 ft612825436089
1855A 0091000WhiteReel1,000 ft612825358497
1855A 009N1000WhiteReel w/Small Barrel1,000 ft
1855A 009Z1000WhiteReelTuff Box1,000 ft612825434986
1855A 0095000WhiteReel5,000 ft612825436102
1855A 0041000YellowReel1,000 ft612825358466
1855A 004N1000YellowReel w/Small Barrel1,000 ft
1855A 004Z1000YellowReelTuff Box1,000 ft612825434948
1855A 0045000YellowReel5,000 ft612825436065
Date: 2004-01-01
Application Report: Dome Productions Equips Advanced Mobile Digital Broadcast Truck with Belden Brilliance Cabling
Broadcast Solutions Guide
TB65: Digital Studio Cable Guide
Inst. Instr. HD 3P BNC Rev.4.20JAN2021.pdf
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