Product Hierarchy
Product Hierarchy

7891A - Audio Snake Cable, #26-2pr, TC, Indiv. Shielded, CM


Digital Audio Snake Cable, CM-Rated, 2-26 AWG tinned copper pairs, Datalene® insulation, individually shielded with Beldfoil® bonded to numbered/color-coded PVC jackets so both strip simultaneously, PVC jacket

Physical Characteristics (Overall)

Conductor
AWGStrandingMaterialNominal DiameterNo. of Pairs
267x34TC - Tinned Copper0.019 in2
Conductor Count: 4
Total Number of Pairs: 2
Insulation
MaterialMaterial Trade NameNominal DiameterNominal Wall Thickness
PE - Polyethylene (Foam)Datalene®0.054 in0.0175 in
Color Chart
NumberColor
1Brown and Numbered 1
2Red and Numbered 2
Inner Shield Material
TypeMaterialMaterial Trade NameCoverage [%]Drainwire MaterialDrainwire DiameterDrainwire AWGDrainwire Construction n x D
TapeAlum / PolyBeldfoil®100 %TC - Tinned Copper0.019 in26Stranded
InnerShield, Table Note: Indiv. Foil tapes bonded to inner jacket
Inner Jacket Material
MaterialNominal DiameterNominal Wall Thickness
PVC - Polyvinyl Chloride0.136 in0.014 in
Outer Shield Material
TypeMaterialMaterial Trade NameCoverage [%]Drainwire MaterialDrainwire DiameterDrainwire AWGDrainwire Construction n x D
TapeAlum / PolyBeldfoil®100 %TC - Tinned Copper0.019 in26Stranded
Outer Jacket Material
MaterialNominal DiameterNominal Wall ThicknessRipcord
PVC - Polyvinyl Chloride0.343 in0.034 inYes

Electrical Characteristics

Conductor DCR
Individual Pair Nominal Shield DCRNominal Conductor DCRNominal Conductor DCR Conductor Resistance
25.5 Ohm/1000ft37.3 Ohm/1000ft37.3 Ohm/1000ft
Capacitance
Nom. Capacitance Conductor to ConductorNom. Capacitance Conductor to Other Conductor to Shield
12.5 pF/ft25 pF/ft
Inductance
Nominal Inductance
0.25 µH/ft
Impedance
Nominal Characteristic Impedance
110 Ohm
High Frequency (Nominal/Typical)
Frequency [MHz]Nom. Insertion Loss
0.384 MHz0.84 dB/100ft
0.7056 MHz1.14 dB/100ft
0.768 MHz1.18 dB/100ft
1.024 MHz1.34 dB/100ft
1.4112 MHz1.5 dB/100ft
1.536 MHz1.54 dB/100ft
2.048 MHz1.69 dB/100ft
2.8224 MHz1.86 dB/100ft
3.072 MHz1.92 dB/100ft
4.096 MHz2.14 dB/100ft
5.6448 MHz2.4 dB/100ft
6.144 MHz2.47 dB/100ft
8.192 MHz2.75 dB/100ft
11.2896 MHz3.09 dB/100ft
12.288 MHz3.18 dB/100ft
24.576 MHz4.2 dB/100ft
Delay
Nominal Velocity of Propagation (VP) [%]
76 %
High Freq
Frequency [MHz]
0.384 MHz
0.7056 MHz
0.768 MHz
1.024 MHz
1.4112 MHz
1.536 MHz
2.048 MHz
2.8224 MHz
3.072 MHz
4.096 MHz
5.6448 MHz
6.144 MHz
8.192 MHz
11.2896 MHz
12.288 MHz
24.576 MHz

Temperature Range

Operating Temp Range: -30°C To +80°C

Mechanical Characteristics

Bulk Cable Weight: 49 lbs/1000ft
Max Recommended Pulling Tension: 24 lbs
Min Bend Radius/Minor Axis: 3.5 in

Standards

NEC/(UL) Specification: CM
CEC/C(UL) Specification: CM

Applicable Environmental and Other Programs

Environmental Space: Indoor (Not Riser or Plenum)
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): 2004-01-01
MII Order #39 (China RoHS): Yes

Suitability

Suitability - Indoor: Yes

Flammability, LS0H, Toxicity Testing

UL Flammability: UL1685 UL Loading
CSA Flammability: FT4

Plenum/Non-Plenum

Plenum (Y/N): No

Part Number

Variants
Item #ColorPutup TypeLengthUPC
7891A Z4B500Violet Z4BReel500 ft612825190769
7891A Z4B1000Violet Z4BReel1,000 ft612825190752
Footnote: C - CRATE REEL PUT-UP.

Product Notes

Notes: Pair jackets and shields are bonded so both strip simultaneously with automatic stripping equipment. Datalene® insulation features include low dielectric constant and a dissipation factor for high-speed, low-distortion data handling. Physical properties include good crush resistance and light weight.

History

Update and Revision: Revision Number: 0.272 Revision Date: 04-28-2020
Date: 2004-01-01
TB65: Digital Studio Cable Guide
No accessories are available for this product