Wire Table Expert Source
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Wire Table
| Wire Size AWG | Wire Diameter With Heavy Insulation (inches) | Area Circular Mils Nominal | Resistance in Ohms Per 1000 Ft. | Weight in Pounds Per 1000 Ft. | Layer Winding in Turns Per inch | Random Winding in Turns Per inch | Machine Winding Minimum Wound 1.0 (inches) | Maximum Turns For Case I.D. of | |
|---|---|---|---|---|---|---|---|---|---|
| 0.5 in. | 1.0 in. | ||||||||
| 8 | .132 | 16510 | .628 | 50.4 | 6 | 42 | 2.000 | — | — |
| 9 | .118 | 13090 | .793 | 40.0 | 7 | 57 | 1.750 | — | — |
| 10 | .106 | 10380 | .999 | 31.7 | 8 | 75 | 1.500 | — | — |
| 11 | .094 | 8230 | 1.26 | 25.2 | 9 | 95 | 1.250 | — | — |
| 12 | .084 | 6530 | 1.59 | 20.1 | 11 | 130 | 1.000 | — | — |
| 13 | .075 | 5190 | 2.00 | 15.9 | 12 | 159 | .875 | — | — |
| 14 | .067 | 4110 | 2.52 | 12.6 | 13 | 193 | .875 | — | — |
| 15 | .060 | 3260 | 3.18 | 10.0 | 15 | 248 | .875 | — | — |
| 16 | .054 | 2580 | 4.02 | 7.95 | 17 | 316 | .750 | — | .120 |
| 17 | .048 | 2050 | 5.05 | 6.32 | 19 | 394 | .750 | — | 180 |
| 18 | .043 | 1620 | 6.39 | 5.02 | 21 | 487 | .750 | — | 260 |
| 19 | .039 | 1290 | 8.05 | 3.99 | 23 | 596 | .500 | 60 | 360 |
| 20 | .035 | 1020 | 10.13 | 3.16 | 26 | 792 | .500 | 80 | 450 |
| 21 | .031 | 812 | 12.77 | 2.51 | 29 | 982 | .500 | 90 | 560 |
| 22 | .028 | 640 | 16.20 | 1.99 | .32 | 1210 | .438 | 120 | 680 |
| 23 | .025 | 510 | 20.30 | 1.59 | 36 | 1260 | .438 | 150 | 850 |
| 24 | .022 | 404 | 25.67 | 1.26 | 40 | 1550 | .313 | 180 | 1040 |
| 25 | .020 | 320 | 32.37 | 1.01 | 45 | 1940 | .313 | 250 | 1310 |
| 26 | .018 | 253 | 41.02 | .799 | 50 | 2700 | .300 | 310 | 1560 |
| 27 | .016 | 202 | 51.44 | .634 | 55 | 3550 | .300 | 370 | 1870 |
| 28 | .014 | 159 | 65.31 | .504 | 62 | 4180 | .300 | 470 | 2500 |
| 29 | .013 | 128 | 81.21 | 401 | 68 | 5160 | .300 | 620 | 3250 |
| 30 | .012 | 100.0 | 103.7 | .318 | 77 | 6560 | .250 | 750 | 4000 |
| 31 | .011 | 79.2 | 130.9 | .254 | 85 | 8090 | .250 | 920 | 5050 |
| 32 | .010 | 64.0 | 162.0 | .202 | 94 | 10000 | .250 | 1250 | 6870 |
| 33 | .009 | 50.4 | 205.7 | .161 | 105 | 12500 | .250 | 1510 | 8740 |
| 34 | .008 | 39.7 | 261.3 | .127 | 119 | 16250 | .218 | 1920 | 10620 |
| 35 | .007 | 31.4 | 330.7 | .101 | 133 | 20600 | .218 | 2440 | 13120 |
| 36 | .0060 | 25.0 | 414.8 | .0803 | 145 | 25000 | .218 | 2930 | 16250 |
| 37 | .0055 | 20.2 | 512.1 | .0641 | 161 | 30900 | .218 | 3500 | 19370 |
| 38 | .0049 | 16.0 | 648.2 | .0509 | 181 | 39300 | .218 | 4300 | 23750 |
| 39 | .0043 | 12.2 | 846.6 | .0403 | 205 | 51500 | .218 | 5300 | 30000 |
| 40 | .0038 | 9.61 | 1079 | .0319 | 226 | 72000 | .218 | 7450 | 42500 |
| 41 | .0034 | 7.84 | 1323 | .0252 | 250 | 89800 | .218 | 9950 | 58120 |
| 42 | .0030 | 6.25 | 1659 | .0199 | 283 | 116500 | .218 | 12600 | 72500 |
| 43 | .0027 | 4.84 | 2143 | .0159 | 315 | 143000 | .187 | 14900 | 85000 |
| 44 | .0025 | 4.00 | 2593 | .0127 | 340 | 168500 | .187 | 17400 | 100000 |
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Technical Information
- 60Hz Size Table (Horizontal Mount)
- 60Hz Size Table (Vertical Mount)
- Method of Approximating Secondary AC Current Requirements
- Conversion Charts
- Mil-T-27 Type Designation Interpretation
- Standard Mil-T-27 Cases Dimensions (inches)
- Custom Switch Mode Power Transformers
- Wire Table
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