Spectra Strip 455-248-40 Way Twist ‘n’ Flat Planar Ribbon Cable 1 Metre OMR4-02A


44 in stock

SKU: OMR4-02A Category:






For sale here we have the above…

Made in USA – measurements are imperial – feet and inches

Length 40in. (approx 1 metre).

Being the distance between the centres of two of the ‘flat’ sections, with another ‘flat’ section in the middle of the length.

Width 51.46mm

AWG28  7/36 300V 80‘C Insulation 0.10″

10 colour repeating pattern: brown red orange yellow green blue violet grey white and black

Each of these colours is twisted with a Tan (common) wire.

20 Twisted pairs of conductors to a flat untwisted section of ribbon cable (where an IDC connector could be mounted). The distance between the centre’s of these flat sections is 20″ (approx 510mm)

Each untwisted flat section is approx 2″ (50.8mm) long

Spectra-Strip Twist ‘N’ Flat cable combines the time and cost savings of mass termination with the electrical performance of twisted pairs, making it ideal for high speed computers and communications equipment. Labour 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 colour coded PVC, twisted into pairs and laminated between layers of PVC 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.


  • UL / CSA certified
  • Twisted pairs for significant crosstalk reduction
  • 16 conductors (8 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

Product Information 


Reel Length (Imperial): 100ft 

Reel Length (Metric): 30.5m 

No. of Conductors: 40

Conductor Size AWG: 28AWG

Pitch Spacing: 1.27mm 

Conductor Area CSA: 0.072mm² 

Jacket Material: PVC (Polyvinyl Chloride) 

Jacket Colour: 10 Colour Repeat with each colour twisted with a tan (common)

Voltage Rating: 300V

Approval Bodies: UL 

Cable Type: Twist ‘N’ Flat Planar Ribbon Cable

Cable UL Style Number: UL2387 

Capacitance: 49pF/m

Conductor Make-up: 7/36AWG 

Conductor Material: Copper 

Current Rating: 1A 

Impedance: 100 Ohm 

Insulation Resistance: 10000 Mohm 

No. of Strands x Strand Size: 7 x 0.127mm 

Operating Temperature Max: 105°C

Operating Temperature Min: -20°C 

Standard Ribbon Cable for internal wiring of electronic equipment Superb Quality made by Spectra Strip Ltd (Now part of Amphenol). 

For further technical specifications go to:- http://www.farnell.com/datasheets/514214.pdf

This cable came to us as part of a lot of surplus stock from a large manufacturing Co. and has been kept in storage for some time, we have therefore classified it as ‘new other’. It is however pristine, stored with us still on original reels, the photographs are representative of its excellent condition, and, as with all our products it comes with a full guarantee. 


If you have similar items to this, or indeed any electronic components that are surplus to requirements please contact us with details.

Additional information