Vari-Twist® 9V280XX Series
.050″ Pitch, 28 AWG, PVC

Belden- 9V28010  5 Pairs
Belden- 9V28014  7 Pairs
Belden- 9V28016  8 Pairs
Belden- 9V28020  10 Pairs
Belden- 9V28026  13 Pairs
Belden- 9V28034  17 Pairs
Belden- 9V28036  18 Pairs
Belden- 9V28040  20 Pairs
Belden- 9V28050  25 Pairs
Belden- 9V28060  30 Pairs
Belden- 9V28064  32 Pairs

Product Description

Belden’s PVC Vari-Twist 9V280XX series was designed to reduce
crosstalk in the balanced mode by twisting the pairs, but can be
mass-terminated in the programmed flat sections with any standard
IDC connector. To further reduce crosstalk, each adjacent pair
is twisted in the opposite direction. The standard twist length is
18 inches followed by a 2 inch flat section of .050″ spaced
conductors. The cable consists of stranded 28 AWG (7x36) tinned
copper, color-coded PVC pre-insulated singles — laminated to a
single clear PVC substrate. Eleven various conductor/pair counts
are standard; other sizes are available upon request. The cable
is UL approved (CSA available upon request) and passes the
VW-1 Vertical Wire Flame Test.
Upon your request, Vari-Twist can also be manufactured to your
own specific requirements whether that be longer or shorter twist
sections and/or flat sections.
　

Color Code: Each pair consists of a Tan conductor paired with a
color-coded conductor. Color Sequence Each Terminating Section:
Brown/Tan, Red/Tan, Orange/Tan, Yellow/Tan, Green/Tan, Blue/Tan,
Purple/Tan, Gray/Tan, White/Tan, Black/Tan. Sequence is repeated
as necessary.

Application: Internal interconnection or internal wiring
of electronic equipment.

Physical Specifications
Conductor 28 AWG (7x36) Tinned Copper
Insulation  .010″ Nom. Wall Color-coded PVC
Substrate .010″ Nom. Wall Clear PVC
Pitch
Twisted Pair Centers: .100″ Nom.
Conductor Centers in Flat: .050″ ± .005″
Pairs  1/2″ Nom. Lay
           Adjacent Pairs have Opposite Direction Lay
Construction  18″ of Twisted Pairs
                          2″ of Flat Section
Temperature Rating  -20 to +105°C
Flammability Rating UL:VW-1
UL Approval File #E12683,
Style Dual Rated 2693 & 2697
CSA Approval  Available Upon Request
Packaging H100
　

Electrical Specifications
Voltage Rating 300V RMS
Current Rating  1A
Conductor Resistance 68.2Ω/1000 ft.
Insulation Resistance  >1 x 1010Ω • 10 ft. (3m)
Impedance (Balanced)115Ω
Impedance* (Unbalanced) 100Ω
Capacitance* (@ 1 MHz) 16 pF/ft. (52 pF/m)
Inductance* (@ 1 MHz) .24 μH/ft. (.79 μH/m)
Propagation Delay* 1.60 ns/ft. (5.25 ns/m)
*Test Configuration: G-S (ground-signal), unbalanced