Product Number: 734C1

DS-3 and DS-4, 734C Series, #20-1 SPC Coax, CMR/CMG

20 AWG solid .032" silver-plated copper conductors, gas-injected FHDPE insulation, Duobond®; tinned copper braid shield (85% coverage), inner PVC jacket, overall PVC jacket with ripcord.

Availability: Global
Status: Active
Orderable items: 2

Ships from and sold by A5 IT.

Part numbers

734C1 is a product family. Each item number below is a separate orderable part — colour, put-up and length differ.

Item #	Color	Put-Up Type	Length	UPC	Order
734C1 0081000	Gray	Reel	1,000 ft	612825184225	Order online
734C1 0085000	Gray	Reel	5,000 ft	612825184256	Order online

Specifications

Product Overview

Suitable Applications	Central Office wiring for DS3 transmissions.

Physical Characteristics (Overall)

Conductor Count	1
Insulation Table Notes	Gas Injected
Inner Shield Table Notes	Tape bonded to dielectric

Conductor

AWG	20
Stranding	Solid
Material	SCCS - Silvered Copper Covered Steel
Nominal Diameter	0.032 in
No. of Coax	1

Insulation

Material	PE - Polyethylene (Foam)
Nominal Diameter	0.148 in

Inner Shield

Type	Layer	Material	Material Trade Name	Coverage [%]
Tape	1	Tri-Laminate (Alum+Poly+Alum)	Duobond®	100%
Braid	2	Tinned Copper (TC)		85%

Inner Jacket

Material	PVC - Polyvinyl Chloride
Nominal Diameter	0.235 in

Outer Shield

Material	No Shield

Outer Jacket

Material	PVC - Polyvinyl Chloride
Nominal Diameter	0.235 in
Ripcord	Yes

Electrical Characteristics

Conductor DCR

Nominal Conductor DCR	10 Ohm/1000ft
Nominal Conductor DCR Conductor Resistance	10 Ohm/1000ft
Nominal Inner Shield DCR	2.4 Ohm/1000ft
Outer Conductor DCR	2.4 Ohm/1000ft

Capacitance

Nom. Capacitance Conductor to Shield	16.8 pF/ft

Inductance

Nominal Inductance	0.097 μH/ft

Impedance

Nominal Characteristic Impedance	75 Ohm

Return Loss

Frequency [MHz]	5-150 MHz
Minimum Return (RL)	32 dB

Delay

Nominal Delay	1.27 ns/ft
Nominal Velocity of Propagation (VP) [%]	80%

High Frequency

Frequency [MHz]	Max. Insertion Loss (Attenuation)
1 MHz	0.28 dB/100ft
5 MHz	0.59 dB/100ft
10 MHz	0.8 dB/100ft
22.5 MHz	1.18 dB/100ft
50 MHz	1.82 dB/100ft
100 MHz	2.6 dB/100ft
150 MHz	3.22 dB/100ft

Voltage

UL Voltage Rating	300 V RMS

Temperature Range

Operating Temperature Range	-40°C To +75°C

Mechanical Characteristics

Bulk Cable Weight	30 lbs/1000ft
Maximum Recommended Pulling Tension	60 lbs
Min Bend Radius (Overall)	2.5 in

Standards

NEC/(UL) Compliance	CMR
CEC/C(UL) Compliance	CMG
RG Type	59

Applicable Environmental and Other Programs

Environmental Space	Indoor - Riser
EU Directive 2000/53/EC (ELV)	Yes
EU Directive 2003/11/EC (BFR)	Yes
EU Directive 2011/65/EU (RoHS 2)	Yes
EU Directive 2012/19/EU (WEEE)	Yes
EU Directive 2015/863/EU (RoHS 2 amendment)	Yes
EU Directive Compliance	EU Directive 2003/11/EC (BFR)
EU CE Mark	Yes
MII Order #39 (China RoHS)	Yes

Suitability

Suitability - Indoor	Yes

Flammability, LS0H, Toxicity Testing

UL Flammability	UL1666 Vertical Shaft
CSA Flammability	FT4
UL voltage rating	300 V RMS

Plenum/Non-Plenum

Plenum (Y/N)	No

Related Part Numbers

Footnote	C - CRATE REEL PUT-UP.

History

Update and Revision	Revision Number: 0.337 Revision Date: 02-20-2026

Resources

Belden 734C1 technical datasheet

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