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PICList Thread
'American Wire Gauge Table for PICSTERS'
1999\01\03@225847 by Thomas McGahee

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See table below for wire sizes and suggested current ratings, etc.
File away for future use.

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From: Ricardo Ponte G <spam_OUTrniniverTakeThisOuTspamCANTV.NET>
To: .....PICLISTKILLspamspam@spam@MITVMA.MIT.EDU
Subject: How can I know the cable type ??????
Date: Tuesday, December 29, 1998 12:22 AM

       Hi, how are you ? :



       I  have a doubt:


       I4m trying to know How can I calculate the cable type (AWG or
somethig
like it) if a know how much current will flow throught it (some 40mA).

       I need to know it because want to build a bobbin.


       Any formulas ????

       thanks.
----------


----------

No formulas here, but instead a wire table listing that should have the
info you desire.

AWG Wire Table for BARE COPPER Wire Compiled by a program written by Fr.
Tom McGahee

Compiled by Fr. Tom McGahee tom_mcgaheespamKILLspamsigmais.com

AWG = American Wire Gauge size
Dia-mils = Diameter in mils (1 mil = .001 inch)
TPI = Turns Per Inch (Ignoring thickness of unknown insulation)
Dia-mm = Diameter in millimeters (For comparison with non-USA coilers)
Circ-mils = Circular Mils. (circular mils = diameter in mils squared)
Ohms/Kft = Ohms Per 1,000 Feet
Ft/Ohm = Feet Per Ohm
Ft/Lb = Feet Per Pound
Ohms/Lb = Ohms Per Pound
Lb/Kft = Pounds Per 1,000 Feet
NormAmps = Normal Average Amp Capacity based on 500 circular mils per Amp
MaxAmps = Maximum recommended Average Amp Capacity in Open Air based on 438.489
circular mils per Amp

Actual Amp capacity of a wire depends on form factor and method of cooling!
MaxAmps assumes free flow of air around wire. Do NOT exceed this maximum without
cooling!
Wire wrapped in a coil or without any form of cooling may over-heat at MaxAmps!
Many factors govern the ACTUAL Max Amps you can pass through a wire continuously
. Be careful!



AWG       Dia-mils  TPI       Dia-mm    Circ-mils Ohms/Kft  Ft/Ohm    Ft/Lb
Ohms/Lb   Lb/Kft    NormAmps  MaxAmps

0000       459.99    2.1740    11.684    211592    0.0490     20402    1.5613
0.0001    640.48    423.18    482.55
000        409.63    2.4412    10.405    167800    0.0618     16180    1.9688
0.0001    507.93    335.60    382.68
00         364.79    2.7413    9.2657    133072    0.0779     12831    2.4826
0.0002    402.80    266.14    303.48

AWG       Dia-mils  TPI       Dia-mm    Circ-mils Ohms/Kft  Ft/Ohm    Ft/Lb
Ohms/Lb   Lb/Kft    NormAmps  MaxAmps

0         324.85    3.0783    8.2513    105531    0.0983     10175    3.1305
0.0003    319.44    211.06    240.67
1         289.29    3.4567    7.3480     83690    0.1239    8069.5    3.9475
0.0005    253.33    167.38    190.86
2         257.62    3.8817    6.5436     66369    0.1563    6399.4    4.9777
0.0008    200.90    132.74    151.36
3         229.42    4.3588    5.8272     52633    0.1970    5075.0    6.2767
0.0012    159.32    105.27    120.03
4         204.30    4.8947    5.1893     41740    0.2485    4024.7    7.9148
0.0020    126.35    83.480    95.190
5         181.94    5.4964    4.6212     33101    0.3133    3191.7    9.9804
0.0031    100.20    66.203    75.489
6         162.02    6.1721    4.1153     26251    0.3951    2531.1    12.585
0.0050    79.460    52.501    59.866
7         144.28    6.9308    3.6648     20818    0.4982    2007.3    15.869
0.0079    63.014    41.635    47.476
8         128.49    7.7828    3.2636     16509    0.6282    1591.8    20.011
0.0126    49.973    33.018    37.650
9         114.42    8.7396    2.9063     13092    0.7921    1262.4    25.233
0.0200    39.630    26.185    29.858

AWG       Dia-mils  TPI       Dia-mm    Circ-mils Ohms/Kft  Ft/Ohm    Ft/Lb
Ohms/Lb   Lb/Kft    NormAmps  MaxAmps

10         101.90    9.8140    2.5881     10383    0.9989    1001.1    31.819
0.0318    31.428    20.765    23.678
11         90.741    11.020    2.3048    8233.9    1.2596    793.93    40.122
0.0505    24.924    16.468    18.778
12         80.807    12.375    2.0525    6529.8    1.5883    629.61    50.593
0.0804    19.765    13.060    14.892
13         71.961    13.896    1.8278    5178.3    2.0028    499.31    63.797
0.1278    15.675    10.357    11.810
14         64.083    15.605    1.6277    4106.6    2.5255    395.97    80.447
0.2031    12.431    8.2132    9.3654
15         57.067    17.523    1.4495    3256.7    3.1845    314.02    101.44
0.3230    9.8579    6.5134    7.4271
16         50.820    19.677    1.2908    2582.7    4.0156    249.03    127.91
0.5136    7.8177    5.1654    5.8900
17         45.257    22.096    1.1495    2048.2    5.0636    197.49    161.30
0.8167    6.1997    4.0963    4.6709
18         40.302    24.813    1.0237    1624.3    6.3851    156.62    203.39
1.2986    4.9166    3.2485    3.7042
19         35.890    27.863    0.9116    1288.1    8.0514    124.20    256.47
2.0648    3.8991    2.5762    2.9376

AWG       Dia-mils  TPI       Dia-mm    Circ-mils Ohms/Kft  Ft/Ohm    Ft/Lb
Ohms/Lb   Lb/Kft    NormAmps  MaxAmps

20         31.961    31.288    0.8118    1021.5    10.153    98.496    323.41
3.2832    3.0921    2.0430    2.3296
21         28.462    35.134    0.7229    810.10    12.802    78.111    407.81
5.2205    2.4521    1.6202    1.8475
22         25.346    39.453    0.6438    642.44    16.143    61.945    514.23
8.3009    1.9446    1.2849    1.4651
23         22.572    44.304    0.5733    509.48    20.356    49.125    648.44
13.199    1.5422    1.0190    1.1619
24         20.101    49.750    0.5106    404.03    25.669    38.958    817.66
20.987    1.2230    0.8081    0.9214
25         17.900    55.866    0.4547    320.41    32.368    30.895    1031.1
33.371    0.9699    0.6408    0.7307
26         15.940    62.733    0.4049    254.10    40.815    24.501    1300.1
53.061    0.7692    0.5082    0.5795
27         14.195    70.445    0.3606    201.51    51.467    19.430    1639.4
84.371    0.6100    0.4030    0.4596
28         12.641    79.105    0.3211    159.80    64.898    15.409    2067.3
134.15    0.4837    0.3196    0.3644
29         11.257    88.830    0.2859    126.73    81.835    12.220    2606.8
213.31    0.3836    0.2535    0.2890

AWG       Dia-mils  TPI       Dia-mm    Circ-mils Ohms/Kft  Ft/Ohm    Ft/Lb
Ohms/Lb   Lb/Kft    NormAmps  MaxAmps

30         10.025    99.750    0.2546    100.50    103.19    9.6906    3287.1
339.18    0.3042    0.2010    0.2292
31         8.9276    112.01    0.2268    79.702    130.12    7.6850    4145.0
539.32    0.2413    0.1594    0.1818
32         7.9503    125.78    0.2019    63.207    164.08    6.0945    5226.7
857.55    0.1913    0.1264    0.1441
33         7.0799    141.24    0.1798    50.125    206.90    4.8332    6590.8
1363.6    0.1517    0.1003    0.1143
34         6.3048    158.61    0.1601    39.751    260.90    3.8329    8310.8
2168.1    0.1203    0.0795    0.0907
35         5.6146    178.11    0.1426    31.524    328.99    3.0396     10480
3447.5    0.0954    0.0630    0.0719
36         5.0000    200.00    0.1270    25.000    414.85    2.4105     13215
5481.7    0.0757    0.0500    0.0570
37         4.4526    224.59    0.1131    19.826    523.11    1.9116     16663
8716.2    0.0600    0.0397    0.0452
38         3.9652    252.20    0.1007    15.723    659.63    1.5160     21012
 13859    0.0476    0.0314    0.0359
39         3.5311    283.20    0.0897    12.469    831.78    1.2022     26496
 22037    0.0377    0.0249    0.0284

AWG       Dia-mils  TPI       Dia-mm    Circ-mils Ohms/Kft  Ft/Ohm    Ft/Lb
Ohms/Lb   Lb/Kft    NormAmps  MaxAmps

40         3.1445    318.01    0.0799    9.8880    1048.9    0.9534     33410
 35040    0.0299    0.0198    0.0226

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