Especificaciones del cable de cobre
This information is useful in determining transformer power capabilities. Bare and Enamel_ Coated Wire
Ohms
Wire Enamel Wire Coating per at British
Size Diam Turns/Linear Inch* 1000 ft. 700 CM SWG
(AWG) (Mils) Single Heavy Triple 25 deg C per Amp** no.
_____ ______ ______ _____ ______ _________ __________ ________
01. 289.3 0.1239 119.564 01
02. 257.6 0.2563 94.797 03
03. 229.4 0.1971 75.178 04
04. 204.3 0.2485 59.626 05
05. 181.9 0.3134 47.268 07
06. 162.0 0.3952 37.491 08
07. 144.3 0.4981 29.746 09
08. 128.5 0.6281 23.589 10
09. 114.4 0.7925 18.696 11
10. 101.9 0.9987 14.834 12
11. 90.7 1.2610 11.752 13
12. 80.8 1.5880 9.327 14
13. 72.0 2.0010 7.406 15
14. 64.1 15.2 14.8 14.5 2.5240 5.870 16
15. 57.1 17.0 16.6 16.2 3.1810 4.658 18
16. 50.8 19.1 18.6 18.1 4.0180 3.687 18
17. 45.3 21.4 20.7 20.2 5.0540 2.932 19
18. 40.3 23.9 23.2 22.5 6.3860 2.320 20
19. 35.9 26.8 25.9 25.1 8.0460 1.841 21
20. 32.0 29.9 28.9 27.9 10.1280 1.463 22
21. 28.5 33.6 32.4 31.3 12.7700 1.160 23
22. 25.3 37.6 36.2 34.7 16.2000 0.914 24
23. 22.6 42.0 40.3 38.6 20.3000 0.730 25
24. 20.1 46.9 45.0 42.9 25.6700 0.577 26
25. 17.9 52.6 50.3 47.8 32.3700 0.458 27
26. 15.9 58.8 56.2 53.2 41.0200 0.361 29
27. 14.2 65.8 62.5 59.2 51.4400 0.288 30
28. 12.6 73.5 69.4 65.8 65.3100 0.227 31
29. 11.3 82.0 76.9 72.5 81.2100 0.182 33
30. 10.0 91.7 86.2 80.6 103.7100 0.143 34
31. 8.9 103.1 95.2 130.9000 0.113 36
32. 8.0 113.6 105.3 162.0000 0.091 37
33. 7.1 128.2 117.6 205.7000 0.072 38
34. 6.3 142.9 133.3 261.3000 0.057 38_ 39
35. 5.6 161.3 149.3 330.7000 0.045 39_ 40
36. 5.0 178.6 166.7 414.8000 0.036 41
37. 4.5 200.0 181.8 512.1000 0.029 42
38. 4.0 222.2 204.1 648.2000 0.023 43
39. 3.5 256.4 232.6 846.6000 0.018 44
40. 3.1 285.7 263.2 1079.2000 0.014
41. 2.8 322.6 294.1 1323.0000 0.011
42. 2.5 357.1 333.3 1695.0000 0.009
43. 2.2 400.0 370.4 2143.0000 0.007
44. 2.0 454.5 400.0 2593.0000 0.006
45. 1.8 526.3 465.1 3348.0000 0.004
46. 1.6 588.2 512.8 4207.0000 0.004
* Figures given are approximate only; insulation thickness varies with
manufacturer.
** Current Carrying Capacity at Continuous Duty: 700 CM (circular mils)
per ampere is a satisfactory design figure for small transformers, but
temperature values from 500 CM to 100 CM are commonly used. Maximum
wire of 212 def F (100 deg C) with an ambient temperature of 135 deg F
(57 deg C).
