Air coil inductor
18 AWG
Électronique /
Electronic
see
Air coil inductor
length of coil = a = (( 0,394 * r2 * N2 / L) - 9r) / 10
length of wire = D*N*pi
18 awg | Wire dia | |||||||
mm | 1,024 | |||||||
Coil Diameter | 4 | Coil Diameter | 5 | |||||
Coil Radius | 2 | Wire | Coil Radius | 2,5 | Wire | |||
Core Length | Inductance | Length | Core Length | Inductance | Length | |||
mm | urns | uH | mm | mm | urns | uH | mm | |
1,02 | 1 | 0,006 | 13 | 1,02 | 1 | 0,008 | 16 | |
2,05 | 2 | 0,016 | 25 | 2,05 | 2 | 0,023 | 31 | |
3,07 | 3 | 0,029 | 38 | 3,07 | 3 | 0,042 | 47 | |
4,10 | 4 | 0,043 | 50 | 4,10 | 4 | 0,062 | 63 | |
5,12 | 5 | 0,057 | 63 | 5,12 | 5 | 0,084 | 79 | |
6,14 | 6 | 0,071 | 75 | 6,14 | 6 | 0,106 | 94 | |
7,17 | 7 | 0,086 | 88 | 7,17 | 7 | 0,128 | 110 | |
8,19 | 8 | 0,101 | 101 | 8,19 | 8 | 0,151 | 126 | |
9,22 | 9 | 0,116 | 113 | 9,22 | 9 | 0,174 | 141 | |
10,24 | 10 | 0,131 | 126 | 10,24 | 10 | 0,197 | 157 | |
11,26 | 11 | 0,146 | 138 | 11,26 | 11 | 0,220 | 173 | |
12,29 | 12 | 0,161 | 151 | 12,29 | 12 | 0,244 | 188 | |
13,31 | 13 | 0,176 | 163 | 13,31 | 13 | 0,267 | 204 | |
14,34 | 14 | 0,191 | 176 | 14,34 | 14 | 0,291 | 220 | |
15,36 | 15 | 0,207 | 188 | 15,36 | 15 | 0,315 | 236 | |
16,38 | 16 | 0,222 | 201 | 16,38 | 16 | 0,338 | 251 | |
17,41 | 17 | 0,237 | 214 | 17,41 | 17 | 0,362 | 267 | |
18,43 | 18 | 0,252 | 226 | 18,43 | 18 | 0,386 | 283 | |
19,46 | 19 | 0,268 | 239 | 19,46 | 19 | 0,410 | 298 | |
20,48 | 20 | 0,283 | 251 | 20,48 | 20 | 0,433 | 314 | |
21,50 | 21 | 0,298 | 264 | 21,50 | 21 | 0,457 | 330 | |
22,53 | 22 | 0,314 | 276 | 22,53 | 22 | 0,481 | 346 | |
23,55 | 23 | 0,329 | 289 | 23,55 | 23 | 0,505 | 361 | |
24,58 | 24 | 0,344 | 302 | 24,58 | 24 | 0,529 | 377 | |
25,60 | 25 | 0,359 | 314 | 25,60 | 25 | 0,553 | 393 | |
26,62 | 26 | 0,375 | 327 | 26,62 | 26 | 0,577 | 408 | |
27,65 | 27 | 0,390 | 339 | 27,65 | 27 | 0,600 | 424 | |
28,67 | 28 | 0,405 | 352 | 28,67 | 28 | 0,624 | 440 | |
29,70 | 29 | 0,421 | 364 | 29,70 | 29 | 0,648 | 456 | |
30,72 | 30 | 0,436 | 377 | 30,72 | 30 | 0,672 | 471 | |
Coil Diameter | 6 | Coil Diameter | 7 | |||||
Coil Radius | 3 | Wire | Coil Radius | 3,5 | Wire | |||
Core Length | Inductance | Length | Core Length | Inductance | Length | |||
mm | urns | uH | mm | mm | urns | uH | mm | |
1,02 | 1 | 0,010 | 19 | 1,02 | 1 | 0,012 | 22 | |
2,05 | 2 | 0,030 | 38 | 2,05 | 2 | 0,037 | 44 | |
3,07 | 3 | 0,055 | 57 | 3,07 | 3 | 0,070 | 66 | |
4,10 | 4 | 0,083 | 75 | 4,10 | 4 | 0,107 | 88 | |
5,12 | 5 | 0,113 | 94 | 5,12 | 5 | 0,146 | 110 | |
6,14 | 6 | 0,144 | 113 | 6,14 | 6 | 0,187 | 132 | |
7,17 | 7 | 0,176 | 132 | 7,17 | 7 | 0,229 | 154 | |
8,19 | 8 | 0,208 | 151 | 8,19 | 8 | 0,272 | 176 | |
9,22 | 9 | 0,241 | 170 | 9,22 | 9 | 0,316 | 198 | |
10,24 | 10 | 0,274 | 188 | 10,24 | 10 | 0,360 | 220 | |
11,26 | 11 | 0,307 | 207 | 11,26 | 11 | 0,405 | 242 | |
12,29 | 12 | 0,341 | 226 | 12,29 | 12 | 0,450 | 264 | |
13,31 | 13 | 0,374 | 245 | 13,31 | 13 | 0,495 | 286 | |
14,34 | 14 | 0,408 | 264 | 14,34 | 14 | 0,541 | 308 | |
15,36 | 15 | 0,442 | 283 | 15,36 | 15 | 0,587 | 330 | |
16,38 | 16 | 0,476 | 302 | 16,38 | 16 | 0,633 | 352 | |
17,41 | 17 | 0,510 | 320 | 17,41 | 17 | 0,678 | 374 | |
18,43 | 18 | 0,544 | 339 | 18,43 | 18 | 0,725 | 396 | |
19,46 | 19 | 0,578 | 358 | 19,46 | 19 | 0,771 | 418 | |
20,48 | 20 | 0,612 | 377 | 20,48 | 20 | 0,817 | 440 | |
21,50 | 21 | 0,646 | 396 | 21,50 | 21 | 0,863 | 462 | |
22,53 | 22 | 0,680 | 415 | 22,53 | 22 | 0,910 | 484 | |
23,55 | 23 | 0,715 | 434 | 23,55 | 23 | 0,956 | 506 | |
24,58 | 24 | 0,749 | 452 | 24,58 | 24 | 1,003 | 528 | |
25,60 | 25 | 0,783 | 471 | 25,60 | 25 | 1,049 | 550 | |
26,62 | 26 | 0,817 | 490 | 26,62 | 26 | 1,096 | 572 | |
27,65 | 27 | 0,852 | 509 | 27,65 | 27 | 1,142 | 594 | |
28,67 | 28 | 0,886 | 528 | 28,67 | 28 | 1,189 | 616 | |
29,70 | 29 | 0,921 | 547 | 29,70 | 29 | 1,236 | 638 | |
30,72 | 30 | 0,955 | 565 | 30,72 | 30 | 1,283 | 660 | |
Coil Diameter | 8 | Coil Diameter | 9 | |||||
Coil Radius | 4 | Wire | Coil Radius | 4,5 | Wire | |||
Core Length | Inductance | Length | Core Length | Inductance | Length | |||
mm | urns | uH | mm | mm | urns | uH | mm | |
1,02 | 1 | 0,014 | 19 | 1,02 | 1 | 0,016 | 22 | |
2,05 | 2 | 0,045 | 38 | 2,05 | 2 | 0,052 | 44 | |
3,07 | 3 | 0,085 | 57 | 3,07 | 3 | 0,101 | 66 | |
4,10 | 4 | 0,131 | 75 | 4,10 | 4 | 0,157 | 88 | |
5,12 | 5 | 0,181 | 94 | 5,12 | 5 | 0,218 | 110 | |
6,14 | 6 | 0,233 | 113 | 6,14 | 6 | 0,282 | 132 | |
7,17 | 7 | 0,287 | 132 | 7,17 | 7 | 0,348 | 154 | |
8,19 | 8 | 0,342 | 151 | 8,19 | 8 | 0,417 | 176 | |
9,22 | 9 | 0,398 | 170 | 9,22 | 9 | 0,487 | 198 | |
10,24 | 10 | 0,455 | 188 | 10,24 | 10 | 0,558 | 220 | |
11,26 | 11 | 0,513 | 207 | 11,26 | 11 | 0,630 | 242 | |
12,29 | 12 | 0,571 | 226 | 12,29 | 12 | 0,703 | 264 | |
13,31 | 13 | 0,630 | 245 | 13,31 | 13 | 0,777 | 286 | |
14,34 | 14 | 0,689 | 264 | 14,34 | 14 | 0,851 | 308 | |
15,36 | 15 | 0,748 | 283 | 15,36 | 15 | 0,925 | 330 | |
16,38 | 16 | 0,808 | 302 | 16,38 | 16 | 1,000 | 352 | |
17,41 | 17 | 0,867 | 320 | 17,41 | 17 | 1,075 | 374 | |
18,43 | 18 | 0,927 | 339 | 18,43 | 18 | 1,150 | 396 | |
19,46 | 19 | 0,987 | 358 | 19,46 | 19 | 1,225 | 418 | |
20,48 | 20 | 1,047 | 377 | 20,48 | 20 | 1,301 | 440 | |
21,50 | 21 | 1,107 | 396 | 21,50 | 21 | 1,377 | 462 | |
22,53 | 22 | 1,168 | 415 | 22,53 | 22 | 1,453 | 484 | |
23,55 | 23 | 1,228 | 434 | 23,55 | 23 | 1,529 | 506 | |
24,58 | 24 | 1,289 | 452 | 24,58 | 24 | 1,605 | 528 | |
25,60 | 25 | 1,349 | 471 | 25,60 | 25 | 1,682 | 550 | |
26,62 | 26 | 1,410 | 490 | 26,62 | 26 | 1,758 | 572 | |
27,65 | 27 | 1,471 | 509 | 27,65 | 27 | 1,835 | 594 | |
28,67 | 28 | 1,531 | 528 | 28,67 | 28 | 1,912 | 616 | |
29,70 | 29 | 1,592 | 547 | 29,70 | 29 | 1,988 | 638 | |
30,72 | 30 | 1,653 | 565 | 30,72 | 30 | 2,065 | 660 |