SS72012 datasheet(67/144 Pages) ACIT

67 / 144 page

Aerospace | Military | Transportation | Industrial | Specialty

MIL-DTL-81381/19, /20 wire—light weight—high strength conductor

MIL-DTL-81381/19 and /20

wires have one layer of

FEP/ polyimide/FEP tape insulation with a polyimide

hard coat for increased cut-through and abrasion

resistance, and a high-strength copper alloy

conductor for greater break strength.

Originally designed for aerospace use, these wires

are ideal for other applications requiring excellent

thermal stability, tight dimensional tolerances, and

high reliability.

These wires are especially well-suited in applications

where smoke emission, overload stability, and

ﬂammability are major concerns.

Performance:

Voltage rating:

600V.

Temperature rating:

-55 to 200˚ C.

Construction Details

Insulation:

FEP/polyimide/FEP tape with modiﬁed

aromatic polyimide coating.

Conductor:

/19: Silver-plated high-strength copper alloy;

/20: Nickel-plated plated high-strength

copper alloy.

Colors:

Color coded to MIL-STD-104 (see page 57

for details).

Identiﬁcation:

to MIL-DTL-81381.

M81381

AWG

Stranding

Conductor Diameter

Insulation Diameter

Weight

Maximum

P/N

Size

Minimum

Maximum

Minimum

Maximum

Resistance

M81381/19-20-*

19/32

.037

(.94)

.039

(.99)

.047

(1.19)

.050 (1.27)

4.3 (6.4)

10.7

(35.10)

M81381/19-22-*

19/34

.029

(.74)

.031

(.79)

.038

(.97)

.041 (1.04)

2.8 (4.1)

17.5

(57.40)

M81381/19-24-*

19/36

.023

(.58)

.024

(.61)

.032

(.81)

.035

(.89)

1.8 (2.7)

28.4

(93.15)

M81381/19-26-*

19/38

.018

(.46)

.020

(.51)

.028

(.71)

.030

(.76)

1.2 (1.8)

44.8 (146.94)

M81381/19-28-*

7/36

.014

(.36)

.015

(.38)

.024

(.61)

.027

(.69)

.8 (1.2)

74.4 (244.03)

M81381/19-30-*

7/38

.011

(.28)

.012

(.30)

.021

(.53)

.024

(.61)

(.8)

117.4 (385.07)

Dimensions, Resistance, and Weights—M81381/19 (silver-plated high-strength conductor)

M81381

AWG

Stranding

Conductor Diameter

Insulation Diameter

Weight

Maximum

P/N

Size

Minimum

Maximum

Minimum

Maximum

Resistance

M81381/20-20-*

19/32

.037

(.94)

.040

(1.02)

.047

(1.19)

.050 (1.27)

4.5 (6.7)

11.4

(37.39)

M81381/20-22-*

19/34

.029

(.74)

.031

(.79)

.039

(.99)

.042 (1.07)

2.9 (4.3)

18.6

(61.01)

M81381/20-24-*

19/36

.023

(.58)

.025

(.64)

.032

(.81)

.035

(.89)

2.0 (3.0)

30.1

(98.73)

M81381/20-26-*

19/38

.018

(.46)

.020

(.51)

.028

(.71)

.030

(.76)

1.3 (1.9)

49.4 (162.03)

M81381/20-28-*

7/36

.014

(.36)

.016

(.41)

.024

(.61)

.027

(.69)

.9 (1.3)

79.0 (259.12)

M81381/20-30-*

7/38

.011

(.28)

.013

(.33)

.021

(.53)

.024

(.61)

.7 (1.0)

126.6 (415.25)

Dimensions, Resistance, and Weights—M81381/20 (nickel-plated high-strength conductor)

Dimensions in inches (mm). Weights in pounds/1000 feet (Kg/1000 M). Resistance in Ω/1,000 feet (Ω/Km), @20˚ C.

All values are nominal unless otherwise indicated. * Add color coding per MIL-STD-104 (see page 57).

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