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metal

hashtag
AWG

byGemini
Diameter (inches)
Diameter (mm)
Area
Resistance (Ohms/km)
Typical Max Ampacity*

1

0.289

7.35

42.4

0.407

110A - 130A

2

0.258

6.54

33.6

0.513

95A - 115A

4

0.204

5.19

21.2

0.815

70A - 85A

6

0.162

4.11

13.3

1.30

55A - 65A

8

0.128

3.26

8.37

2.06

40A - 50A

10

0.102

2.59

5.26

3.28

30A

12

0.081

2.05

3.31

5.21

20A

14

0.064

1.63

2.08

8.29

15A

16

0.051

1.29

1.31

13.2

10A - 13A

18

0.040

1.02

0.82

21.0

7A - 10A

20

0.032

0.81

0.52

33.3

5A

22

0.025

0.64

0.33

53.0

3A - 5A

24

0.020

0.51

0.21

84.2

2A - 3.5A

26

0.016

0.40

0.13

134.0

1A - 2.2A

28

0.013

0.32

0.08

213.0

0.5A - 1.4A

30

0.010

0.25

0.05

339.0

0.5A - 0.8A

  • "3-Gauge" Rule: doubles the cross-sectional area

  • "6-Gauge" Rule: doubles the wire diameter

hashtag
多股硅胶线

byGrok
mm²
股数×单股直径 (约)
外径 (mm) 约
最大A
40℃额定A

26

0.14

7×0.16 或 30×0.08

1.8–2.2

3.5

2.5–3.0

24

0.22

7×0.20 或 40×0.08

2.0–2.5

5.5

4.0–4.5

22

0.35

7×0.25 或 65×0.08

2.3–2.8

8.0

6.0–7.0

20

0.5

7×0.30 或 100×0.08

2.6–3.2

11

8–9

18

0.75

19×0.23 或 150×0.08

3.0–3.8

16

12–14

16

1.0 / 1.3

19×0.30 或 196×0.08

3.4–4.2

22

17–20

14

2.0 / 2.08

41×0.25 或 324×0.08

4.2–5.0

32

25–28

12

3.3 / 3.31

65×0.25 或 513×0.08

5.0–6.0

41

33–38

10

5.26

105×0.25 或 826×0.08

6.0–7.2

55

45–50

8

8.37

168×0.25

7.5–8.5

80

65–70

6

13.3

266×0.25

9.0–10.5

105

85–95

hashtag
密度

https://en.wikipedia.org/wiki/Densities_of_the_elements_(data_page)#Density,_solid_phase

hashtag
电阻率

https://zh.wikipedia.org/wiki/%E7%94%B5%E9%98%BB%E7%8E%87

物质
电阻率 (Ωm)

石墨烯

1.00×10−8

银

1.59×10−8

铜

1.7×10−8

金

2.44×10−8

铝

2.82×10−8

黄铜

8×10−8

铁

10×10−8

http://www.elektrisola.com/cn/conductor-materials/comparison-of-metals.html

hashtag
镀层

https://www.zhihu.com/question/57329327

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