FERRITE TOROID CORE: Wire Size vs Turns
Core Size |
Wire Size (awg) vs Turns * |
14 |
16 |
18 |
20 |
22 |
24 |
26 |
28 |
30 |
32 |
34 |
36 |
FT-23 |
0 |
0 |
2 |
4 |
7 |
11 |
15 |
21 |
28 |
37 |
48 |
62 |
FT-37 |
2 |
4 |
7 |
11 |
15 |
21 |
28 |
36 |
48 |
61 |
79 |
100 |
FT-50 |
7 |
10 |
14 |
19 |
26 |
34 |
45 |
58 |
75 |
95 |
121 |
154 |
FT-50A |
8 |
13 |
19 |
22 |
30 |
39 |
51 |
66 |
84 |
106 |
135 |
171 |
FT-50B |
8 |
13 |
19 |
22 |
30 |
39 |
51 |
65 |
84 |
106 |
135 |
171 |
FT-82 |
18 |
22 |
32 |
41 |
53 |
69 |
88 |
112 |
143 |
180 |
228 |
288 |
FT-87 |
19 |
25 |
34 |
43 |
56 |
72 |
92 |
118 |
150 |
188 |
239 |
302 |
FT-114 |
29 |
38 |
49 |
63 |
80 |
100 |
131 |
166 |
211 |
263 |
334 |
420 |
FT-140 |
36 |
42 |
60 |
77 |
97 |
125 |
158 |
201 |
255 |
318 |
403 |
507 |
FT-150 |
29 |
38 |
49 |
63 |
80 |
100 |
131 |
166 |
211 |
263 |
334 |
420 |
FT-193 |
53 |
68 |
86 |
109 |
139 |
176 |
223 |
282 |
357 |
445 |
562 |
707 |
FT-240 |
60 |
77 |
98 |
123 |
156 |
198 |
250 |
317 |
400 |
499 |
631 |
793 |
* single layer winding - enamelled copper wire
wire metric conversion table
23/04/07
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