Practical Electronics Handbook, Sixth Edition

Appendix A: Standard Metric Wire Table

Standard metric wire table

Diameter (mm)

Resistance ( ? /m)

Current rating (mA)

Weight (g/m)

0.025

35.1

2.3

0.000044

0.032

21.4

3.7

0.000072

0.040

13.7

5.8

0.000112

0.050

8.8

9.1

0.000175

0.063

5.5

14.5

0.000278

0.080

3.4

23.4

0.000449

0.100

2.2

36.5

0.000701

0.125

1.4

57.1

0.001096

0.140

1.1

71.6

0.001375

0.160

0.86

93.5

0.001795

0.180

0.68

118.3

0.002272

0.200

0.55

146.1

0.002805

0.250

0.35

228.3

0.004384

0.280

0.28

286.3

0.005499

0.315

0.22

362.4

0.006959

0.400

0.14

584.3

0.011222

0.450

0.11

739.5

0.014203

0.500

0.088

913.0

0.017534

0.56

0.070

1140

0.021995

0.63

0.055

1450

0.027837

0.71

0.043

1840

0.035356

0.75

0.039

2050

0.039452

0.80

0.034

2340

0.044887

0.85

0.030

2640

0.050673

0.90

0.027

2960

0.056810

0.95

0.024

3300

0.063298

1.00

0.022

3650

0.070136

The values of resistance per metre, current rating, and weight per metre have all been rounded off. Only the...

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