Belden Store
1856A

Product Number: 1856A

Triax, RG59, 20 AWG Solid BC, Double 95% BC Braids, Belflex® Jkt

Triax, RG59, 20 AWG Solid Bare Copper Conductor, PE Insulation, 95% Bare Copper Braid Shield, PE Insulation, 95% Bare Copper Braid Shield, Belflex® Jacket

Availability
Global
Status
Active
Orderable items
1

Ships from and sold by A5 IT.

Part numbers

1856A is a product family. Each item number below is a separate orderable part — colour, put-up and length differ.

Item #ColorPutup TypeLengthUPCFootnoteOrder
1856A B591000Black, MatteReel1,000 ft612825356899COrder online

Specifications

Product Overview

Suitable ApplicationsAnalog Video; Interconnect camera to CCU (camera control unit)

Construction Details

RG Type59
Overall Cable Diameter (Nominal)0.360 in (9.14 mm)

Conductor

Size20 AWG
StrandingSolid
Nom. Diameter0.032 in
MaterialBC - Bare Copper

Insulation

MaterialPE - Polyethylene (Foam)
Nom. Insulation Diameter0.145 in (3.68 mm)
Color CodeWhite

Inner Shield

Layer1
Shield TypeBraid
MaterialBare Copper (BC)
Coverage95%

Inner Jacket

MaterialPE - Polyethylene
Nom. Diameter0.216 in (5.49 mm)

Outer Shield

Layer1
Outer Shield TypeBraid
MaterialBare Copper (BC)
Coverage95%

Outer Jacket

MaterialPVC - Polyvinyl Chloride
Nom. Diameter0.360 in (9.14 mm)

Electrical Characteristics

Return Loss

FrequencyMin. Return Loss
5 - 850 MHz21 dB
850 - 3000 MHz15 dB

Attenuation

FrequencyNom. Attenuation
1 MHz0.30 dB/100ft
3.6 MHz0.60 dB/100ft
10 MHz0.80 dB/100ft
71.5 MHz2.20 dB/100ft
135 MHz3.00 dB/100ft
270 MHz4.20 dB/100ft
360 MHz4.80 dB/100ft
540 MHz5.90 dB/100ft
720 MHz6.90 dB/100ft
750 MHz7.10 dB/100ft
1000 MHz8.80 dB/100ft
1500 MHz12.00 dB/100ft
2250 MHz16.40 dB/100ft
3000 MHz20.40 dB/100ft

Electricals

Nom. Conductor DCR10.1 Ohm/1000ft
Nom. Inner Shield DCR2.5 Ohm/1000ft (8.2 Ohm/km)
Nom. Outer Shield DCR1.6 Ohm/1000ft (5.2 Ohm/km)
Nom. Capacitance Cond-to-Shield16.3 pF/ft (53.5 pF/m)
Nom. Characteristic Impedance75 Ohm
Nom. Velocity of Prop.83%

Voltage

Voltage Rating300 V

Mechanical Characteristics

Max. Pull Tension124 lbs (56.2 kg)
Bulk Cable Weight76 lbs/1000ft

Temperature

Operating-50°C to +80°C

Bend Radius

Installation Min.3.6 in (91 mm)

Standards and Compliance

Environmental SuitabilityIndoor/Outdoor, Indoor, Aerial - When supported by messenger wire
SustainabilityCA Prop 65
CPR ComplianceCPR Euroclass: Eca
European Directive ComplianceEU CE Mark, EU Directive 2015/863/EU (RoHS 2 amendment), REACH, EU Directive 2011/65/EU (RoHS 2), EU Directive 2012/19/EU (WEEE)
UK Regulation ComplianceUKCA Mark
APAC ComplianceChina RoHS II (GB/T 26572-2011)

History

Update and RevisionRevision Number: 0.482 Revision Date: 02-20-2026
FootnoteC - CRATE REEL PUT-UP.

Resources

Related video triax cable