Product Hierarchy
Product Hierarchy

735C3 - DS-3 and DS-4, 735C* Series, #25H-3 SPC Coax, CMR/CMG

25H AWG solid .017" silver-plated copper conductors, foam HDPE insulation, Duobond®; tinned copper braid shield (95% coverage), inner PVC jackets, overall PVC jacket with ripcord.

Product Overview

Suitable Applications: Central Office wiring for DS3 transmissions

Physical Characteristics (Overall)

AWGStrandingMaterialNominal DiameterNo. of Coax
25SolidSCCS - Silvered Copper Covered Steel0.017 in3
Conductor Count: 3
MaterialNominal Diameter
PE - Polyethylene (Foam)0.077 in
Inner Shield Material
TypeLayerMaterialMaterial Trade NameCoverage [%]
Tape1Tri-Laminate (Alum+Poly+Alum)Duobond®100%
Braid2Tinned Copper (TC)95%
Table Notes: Tape bonded to dielectric
Inner Jacket Material
MaterialNominal Diameter
PVC - Polyvinyl Chloride0.134 in
Outer Shield Material
No Shield
Outer Jacket Material
MaterialNominal DiameterRipcord
PVC - Polyvinyl Chloride0.318 inYes

Electrical Characteristics

Conductor DCR
Nominal Conductor DCRNominal Conductor DCR Conductor ResistanceNominal Outer Shield DCROuter Conductor DCR
40 Ohm/1000ft40 Ohm/1000ft5.3 Ohm/1000ft5.3 Ohm/1000ft
Nom. Capacitance Conductor to Shield
17.7 pF/ft
Nominal Inductance
0.19 µH/ft
Nominal Characteristic Impedance
75 Ohm
Return Loss (RL)
Frequency [MHz]Minimum Return (RL)
5-150 MHz32 dB
Nominal DelayNominal Velocity of Propagation (VP) [%]
1.29 ns/ft79%
High Freq
Frequency [MHz]Max. Insertion Loss (Attenuation)
5 MHz1.1 dB/100ft
10 MHz1.5 dB/100ft
22.5 MHz2.3 dB/100ft
50 MHz3.4 dB/100ft
100 MHz4.99 dB/100ft
150 MHz6 dB/100ft
UL Voltage Rating
300 V RMS

Temperature Range

UL Temp Rating: 75°C
Operating Temp Range: -40°C To +75°C

Mechanical Characteristics

Bulk Cable Weight: 53 lbs/1000ft
Max. Pull Tension: 108 lbs
Min Bend Radius (Overall): 3.25 in
Min Bend Radius (Each Coax): 1.5 in


NEC/(UL) Compliance: CMR
CEC/C(UL) Compliance: CMG
RG Type: Mini 59
Other Compliance: Telcordia Specification GR-139-Core; SBC ENTERPRISE - SBC-002-316-019, ISSUE 4

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 II): Yes
EU Directive 2012/19/EU (WEEE): Yes
EU Directive 2015/863/EU: Yes
EU Directive Compliance: EU Directive 2003/11/EC (BFR)
EU CE Mark: Yes
EU RoHS Compliance Date (yyyy-mm-dd): 2007-10-17
MII Order #39 (China RoHS): Yes


Suitability - Indoor: Yes

Flammability, LS0H, Toxicity Testing

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


Plenum (Y/N): No

Part Number

Item #ColorPutup TypeLengthUPC
735C3 0081000GrayReel1,000 ft612825184966
735C3 0083000GrayReel3,000 ft612825184973
735C3 0085000GrayReel5,000 ft612825184997
Footnote: C - CRATE REEL PUT-UP.


Update and Revision: Revision Number: 0.155 Revision Date: 09-30-2020
Date: 2007-10-17
No accessories are available for this product