SS72012 datasheet(20/144 Pages) ACIT

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Aerospace | Military | Transportation | Industrial | Specialty

CellTecTM Parallel-Pair Cable

Construction Details

Conductor:

Solid or stranded silver-plated copper.

Insulation:

CellTec.

Shield:

Aluminum/polyester tape.

Drain Wire:

Solid or stranded tin-plated copper.

Jacket:

PVC.

CellTecTM

low-density foam dielectric delivers the

stable performance characteristics required for high-

speed differential signal transmission.

These low-skew parallel-pair constructions are

designed for use in computer interconnect and

telecommunications applications, and are com-

patible with 2 mm and 2.54 mm backplane systems.

Enhanced low-skew versions are available for system

speeds to 2.5 Gbps and beyond.

These cables are just some examples of the

performance levels provided by CellTec dielectric—

many other conﬁgurations are also available.

AWG

Impedance

Capacitance

Time Delay

Conductor DCR (Ω / 100 ft.)

Attenuation (dB / M @ 1.25 GHz)

(pF/ft)

Skew (ps / ft.)

Solid

Stranded

Solid Conductor

Stranded Conductor

100 Ω

<3.0

16.2

15.4

.70

.77

100 Ω

<3.0

25.7

24.0

.91

1.00

100 Ω

<3.0

41.0

38.8

1.11

1.22

100 Ω

<3.0

65.3

62.2

1.43

1.58

100 Ω

<3.0

104.0

98.0

1.67

1.84

Dimensions in inches (mm). SPC: Silver-plated copper. TPC: Silver-plated copper.

All values are nominal unless otherwise indicated.

Conductor

Insulation

Drain Wire

Jacket Dimensions

AWG

Type

Diameter

AWG

Type

Solid SPC

.0253 (.64)

.076

(1.9)

Solid TPC

.088 x .164

(2.2 x 4.2)

7/30 SPC

.030

(.76)

.082

(2.1)

7/32 TPC

.094 x .176

(2.4 x 4.5)

Solid SPC

.0201 (.54)

.059

(1.5)

Solid TPC

.071 x .130

(1.8 x 3.3)

7/32 SPC

.024

(.60)

.065

(1.7)

7/34 TPC

.077 x .142

(2.0 x 3.6)

Solid SPC

.0159 (.40)

.047

(1.2)

Solid TPC

.059 x .106

(1.5 x 2.7)

7/34 SPC

.019

(.48)

.052

(1.3)

7/36 TPC

.062 x .116

(1.6 x 2.9)

Solid SPC

.0126 (.32)

.037

(.9)

Solid TPC

.049 x .086

(1.2 x 2.2)

7/36 SPC

.015

(.38)

.042

(1.1)

7/38 TPC

.054 x .096

(1.4 x 2.4)

Solid SPC

.010

(.25)

.029

(.7)

Solid TPC

.041 x .070

(1.0 x 1.8)

7/34 SPC

.012

(.30)

.033

(.8)

7/40 TPC

.045 x .078

(1.1 x 2.0)

Physical Properties

Electrical Performance

Typical eye-pattern test.

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