Product Hierarchy
Product Hierarchy

9271 - 124Ω Twinax, #25-2c TC, PO, O/A Foil, PVC Jkt, CM

124 Ohm Twinax, 25 AWG stranded (7x33) tinned copper conductors, polyethylene insulation, Beldfoil® shield (100% coverage), stranded tinned copper drain wire, PVC jacket.

Physical Characteristics (Overall)

AWGStrandingMaterialNominal DiameterNo. of Pairs
257x33TC - Tinned Copper0.021 in1
Conductor Count: 2
MaterialNominal Wall Thickness
PE - Polyethylene0.031 in
Color Chart
1Blue & Clear
Outer Shield Material
TypeMaterialMaterial Trade NameCoverage [%]Drainwire MaterialDrainwire AWGDrainwire Construction n x D
TapeBi-Laminate (Alum+Poly)Beldfoil®100%TC - Tinned Copper227x30
Outer Jacket Material
MaterialNominal DiameterNominal Wall Thickness
PVC - Polyvinyl Chloride0.24 in0.035 in

Construction and Dimensions

0.17 mm

Electrical Characteristics

Conductor DCR
Nominal Conductor DCRNominal Conductor DCR Conductor ResistanceNominal Outer Shield DCR
31.8 Ohm/1000ft31.8 Ohm/1000ft12 Ohm/1000ft
Nom. Capacitance Conductor to ConductorNom. Capacitance Conductor to Other Conductor to Shield
12.2 pF/ft22 pF/ft
Nominal Inductance
0.188 µH/ft
Nominal Characteristic Impedance
124 Ohm
High Frequency (Nominal/Typical)
Frequency [MHz]Nom. Insertion Loss
1 MHz0.6 dB/100ft
10 MHz1.7 dB/100ft
50 MHz3.6 dB/100ft
100 MHz5 dB/100ft
200 MHz6.9 dB/100ft
400 MHz9.6 dB/100ft
Max. Delay SkewNominal DelayNominal Velocity of Propagation (VP) [%]
66 ns/100m1.54 ns/ft66%
High Freq
Frequency [MHz]
1 MHz
10 MHz
50 MHz
100 MHz
200 MHz
400 MHz
UL DescriptionUL Voltage Rating
UL AWM Style 2092300 V RMS

Temperature Range

UL Temp Rating: 60°C (UL AWM Style 2092)
Operating Temp Range: -20°C To +60°C

Mechanical Characteristics

Bulk Cable Weight: 25 lbs/1000ft
Max. Pull Tension: 17 lbs
Min Bend Radius/Minor Axis: 2.5 in


NEC/(UL) Compliance: CM
CEC/C(UL) Compliance: CM
UL AWM Style Compliance: UL Style 2092 (300 V 60°C)
CPR Euroclass: Eca

Applicable Environmental and Other Programs

EU Directive Compliance: Yes
EU CE Mark: Yes
EU RoHS Compliance Date (yyyy-mm-dd): 2004-01-01
MII Order #39 (China RoHS): Yes

Flammability, LS0H, Toxicity Testing

UL Flammability: UL1685 UL Loading
IEC Flammability: IEC 60332-1-2
UL voltage rating: 300 V RMS


Plenum (Y/N): No

Part Number

Item #ColorPutup TypeLengthUPC
9271 006100BlueReel100 ft612825226192
9271 006500BlueReel500 ft612825226215
9271 0061000BlueReel1,000 ft612825226208
9271 006U1000BlueUnReel1,000 ft612825226185
Footnote: C - CRATE REEL PUT-UP.


Update and Revision: Revision Number: 0.286 Revision Date: 09-30-2020
Date: 2004-01-01
No accessories are available for this product