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Part Information:
 

 
Part Number: 132-2829-0XX**
Description: .050" centerline, 28 AWG Low Smoke / Halogen Free Twist 'N' Flat, Fully Laminated Polyolefin insulated
Family: Zero Halogen

 
Outline Drawing
 
Introduction

 

Spectra-Strip Low Smoke / Halogen Free Twist 'N' Flat� cable combines the time and cost savings of mass termination with the added benefits of halogen free, highly flame retardant cable... ideal for use in closed environments where ventilation is poor, such as subways, elevators, and ships. It is designed to reduce the generation of toxic and corrosive gases that are emitted from typical PVC insulated cables during combustion. These gases can injure personnel enclosed within these confined spaces and can also corrode delicate components within electronic equipment. Many well-documented cases exist of extensive injury and death occurring as a result of fires involving these PVC generated toxic gasses, e.g., the London Subway fire, the Beverly Hills Supperclub fire, the Dusseldorf Airport fire, and the HMS Sheffield sinking. (Click here for good background reading)

This cable is well suited to equipment such as communications and computing devices, within closed environments, or wherever the crosstalk performance of twisted pairs is needed. Labor savings of up to 95% as compared to automatic strip and crimp termination are readily achieved.

Twist 'N' Flat� cable consists of stranded round conductors insulated with color coded polyolefin, twisted into pairs and laminated between layers of polyolefin film to form a planar cable. The twist in adjacent pairs is reversed to reduce cable crosstalk even further. Standard cables alternate 18-inch (45,7cm) long twisted pair sections with 2 inch (5,1cm) flat sections in which the conductors are laminated in parallel.

Twist 'N' Flat� cable can also be fabricated to your custom requirements. Flat sections can be made longer to allow room for multiple connectors. Twisted pair length can be varied from a minimum of 6 inches to many feet to conform to your requirements. The lamination can be fabricated "loose" at specified points to provide easy access to individual conductors. For complete details, consult the Spectra-Strip sales office nearest you.


 

Features/Benefits
  • Twisted pairs for significant crosstalk reduction
  • Up to 64 conductors (32 pairs) with precise spacing for controlled electrical characteristics
  • Double sided lamination provides excellent conductor strain relief and mass termination from either side of cable
  • Reduced assembly costs compared with discrete or hand lamination terminations

 
Specifications
Physical

Conductors

28 AWG 7/36 strand tinned copper

Color code

Brown, Red, Orange, Yellow, Green, Blue, Violet, Gray, White, Black and Repeat, Tan Common.

Insulation

.010" Halogen Free FR Polyolefin

Laminate

.005" Halogen Free FR Polyolefin top and bottom

Cable Thickness:

.042" ± .003" (flat section)

Conductor spacing:

Twisted pair centers: .100" nom. Conductor centers in flats: .050" ± .005"

Temperature Rating

- 20° C to + 90° C

 

Electrical

Impedance

100 ohms nom single ended

Capacitance

14 pF / ft @ 1 MHz, single ended

Propagation Delay

1.6 ns / ft nom

Insulation Resistance

10^10 ohms per 10 ft min

Propagation Delay

1.6 ns / ft nom

Voltage Rating

300 volts

Current Rating

1.3 amps

Crosstalk

10' sample, 5 ns rise time.

Unbalanced (2 lines driven)

NE = 3.9%

FE = 3.7% nominal


 
Toxicty and Corosivity Results

 

Property

Standard

Requirement

Results

Flame and Fire Propagation

IEC 332-1

Pass

Pass

Smoke Density

ASTM E 662

 

 

IEC 1034-1
and �2

DS < 250 flaming and non flaming modes

 

Pass

Flaming 0.62/0.75, non-flaming 0.24/16.2
 

 

Pass

Toxicity of Fire Gasses

AIS 1000.001

HF < 100

HCI < 150

HCN <150

S02 +H2 S <100

CO <3500

NO + N02 <100

HF <100

HCI <150

HCN<150

S02 +H2 S <100

CO <3500

NO + N02 <100

Corrosivity of Fire Gasses

IEC 754-2

PH >4, conductivity <100uS / cm

PH 4.5, conductivity none

UV Resistance

IEC 68-2-5

No discoloration or stickness

NA

Radiation Resistance

IEC 544-2-5

Index >5.7

NA

Acid Gas Generation

MIL-C- 24643

 

0.47%

Smoke Index

NES-711

 

5.3

Toxicity Index

NES-713

 

1.4

Limiting Oxygen Index

ASTM D 2863

 

39

Notes On Standards:

  1. ASTM E662: STANDARD TEST METHOD FOR SPECIFIC OPTICAL DENSITY OF SMOKE
  2. ATS 1000.001: AIRBUS INDUSTRY TECHNICAL SPECIFICATION, FIRE TEST SPECIFICATION
  3. IEC 68-2-5 SIMULATED SOLAR RADIATION AT GROUND LEVEL
  4. IEC 332-1: TESTS ON ELECTRIC CABLES UNDER FIRE CONDITIONS
  5. IEC 754-2: TEST ON GASES EVOLVED DURING COMBUSTION OF ELECTRIC CABLES
  6. IEC 544-2-4: GUIDE FOR DETERMINING THE EFFECTS OF IONIZING RADIATION ON INSULATING MATERIALS.
  7. IEC 1034-1-2: TEST FOR THE MEASUREMENT OF SMOKE DENSITY OF ELECTRIC CABLES BURNING UNDER DEFINED CONDITIONS

 
Ordering Information
  Width A Span B
Part Number No. Cond. No. Pairs Inches (mm) Inches (mm)

132-2829-010

10

5

.526

(13,36)

.450 ± .015

(11,43 ± 0,38)

132-2829-014

14

7

.726

(18,44)

.650 ± .015

(16,51 ± 0,38)

132-2829-016

16

8

.826

(20,98)

.750 ± .015

(19,05 ± 0,38)

132-2829-020

20

10

1.026

(26,06)

.950 ± .015

(24,13 ± 0,38)

132-2829-026

26

13

1.326

(33,68)

1.250 ± .015

(31,75 ± 0,38)

132-2829-034

34

17

1.726

(43,84)

1.650 ± .015

(41,91 ± 0,38)

132-2829-040

40

20

2.026

(51,46)

1.950 ± .020

(49,53± 0,51)

132-2829-050

50

25

2.526

(64,16)

2.450 ± .020

(62,23 ± 0,51)

132-2829-060

60

30

3.026

(76,86)

2.950 ± .020

(74,93± 0,51)

132-2829-064

64

32

3.226

(81,94)

3.150 ± .025

(80,01 ± 0,64)

132-2829-068

68

34

3.426

(87,02)

3.350 ± .025

(85,09 ± 0,64)

 

** XX =s number of conductors