Air coil inductor 20
AWG
Électronique /
Electronic
see
Air coil inductor
length of coil = a = (( 0,394 * r2 * N2 / L) - 9r) / 10
length of wire = D*N*pi
20 awg | Wire dia | |||||||
mm | 0,812 | |||||||
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 | |
0,81 | 1 | 0,006 | 13 | 0,81 | 1 | 0,008 | 16 | |
1,62 | 2 | 0,018 | 25 | 1,62 | 2 | 0,025 | 31 | |
2,44 | 3 | 0,033 | 38 | 2,44 | 3 | 0,047 | 47 | |
3,25 | 4 | 0,050 | 50 | 3,25 | 4 | 0,072 | 63 | |
4,06 | 5 | 0,067 | 63 | 4,06 | 5 | 0,098 | 79 | |
4,87 | 6 | 0,085 | 75 | 4,87 | 6 | 0,124 | 94 | |
5,68 | 7 | 0,103 | 88 | 5,68 | 7 | 0,152 | 110 | |
6,50 | 8 | 0,122 | 101 | 6,50 | 8 | 0,180 | 126 | |
7,31 | 9 | 0,140 | 113 | 7,31 | 9 | 0,209 | 141 | |
8,12 | 10 | 0,159 | 126 | 8,12 | 10 | 0,237 | 157 | |
8,93 | 11 | 0,178 | 138 | 8,93 | 11 | 0,266 | 173 | |
9,74 | 12 | 0,197 | 151 | 9,74 | 12 | 0,296 | 188 | |
10,56 | 13 | 0,216 | 163 | 10,56 | 13 | 0,325 | 204 | |
11,37 | 14 | 0,235 | 176 | 11,37 | 14 | 0,354 | 220 | |
12,18 | 15 | 0,254 | 188 | 12,18 | 15 | 0,384 | 236 | |
12,99 | 16 | 0,273 | 201 | 12,99 | 16 | 0,414 | 251 | |
13,80 | 17 | 0,292 | 214 | 13,80 | 17 | 0,443 | 267 | |
14,62 | 18 | 0,311 | 226 | 14,62 | 18 | 0,473 | 283 | |
15,43 | 19 | 0,330 | 239 | 15,43 | 19 | 0,503 | 298 | |
16,24 | 20 | 0,349 | 251 | 16,24 | 20 | 0,533 | 314 | |
17,05 | 21 | 0,369 | 264 | 17,05 | 21 | 0,563 | 330 | |
17,86 | 22 | 0,388 | 276 | 17,86 | 22 | 0,593 | 346 | |
18,68 | 23 | 0,407 | 289 | 18,68 | 23 | 0,623 | 361 | |
19,49 | 24 | 0,426 | 302 | 19,49 | 24 | 0,652 | 377 | |
20,30 | 25 | 0,446 | 314 | 20,30 | 25 | 0,683 | 393 | |
21,11 | 26 | 0,465 | 327 | 21,11 | 26 | 0,713 | 408 | |
21,92 | 27 | 0,484 | 339 | 21,92 | 27 | 0,743 | 424 | |
22,74 | 28 | 0,504 | 352 | 22,74 | 28 | 0,773 | 440 | |
23,55 | 29 | 0,523 | 364 | 23,55 | 29 | 0,803 | 456 | |
24,36 | 30 | 0,542 | 377 | 24,36 | 30 | 0,833 | 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 | |
0,81 | 1 | 0,010 | 19 | 0,81 | 1 | 0,012 | 22 | |
1,62 | 2 | 0,033 | 38 | 1,62 | 2 | 0,040 | 44 | |
2,44 | 3 | 0,062 | 57 | 2,44 | 3 | 0,078 | 66 | |
3,25 | 4 | 0,095 | 75 | 3,25 | 4 | 0,121 | 88 | |
4,06 | 5 | 0,131 | 94 | 4,06 | 5 | 0,167 | 110 | |
4,87 | 6 | 0,169 | 113 | 4,87 | 6 | 0,217 | 132 | |
5,68 | 7 | 0,207 | 132 | 5,68 | 7 | 0,268 | 154 | |
6,50 | 8 | 0,247 | 151 | 6,50 | 8 | 0,320 | 176 | |
7,31 | 9 | 0,287 | 170 | 7,31 | 9 | 0,374 | 198 | |
8,12 | 10 | 0,328 | 188 | 8,12 | 10 | 0,428 | 220 | |
8,93 | 11 | 0,369 | 207 | 8,93 | 11 | 0,483 | 242 | |
9,74 | 12 | 0,410 | 226 | 9,74 | 12 | 0,539 | 264 | |
10,56 | 13 | 0,452 | 245 | 10,56 | 13 | 0,595 | 286 | |
11,37 | 14 | 0,494 | 264 | 11,37 | 14 | 0,652 | 308 | |
12,18 | 15 | 0,536 | 283 | 12,18 | 15 | 0,708 | 330 | |
12,99 | 16 | 0,578 | 302 | 12,99 | 16 | 0,765 | 352 | |
13,80 | 17 | 0,621 | 320 | 13,80 | 17 | 0,823 | 374 | |
14,62 | 18 | 0,663 | 339 | 14,62 | 18 | 0,880 | 396 | |
15,43 | 19 | 0,706 | 358 | 15,43 | 19 | 0,938 | 418 | |
16,24 | 20 | 0,749 | 377 | 16,24 | 20 | 0,996 | 440 | |
17,05 | 21 | 0,792 | 396 | 17,05 | 21 | 1,054 | 462 | |
17,86 | 22 | 0,835 | 415 | 17,86 | 22 | 1,112 | 484 | |
18,68 | 23 | 0,878 | 434 | 18,68 | 23 | 1,170 | 506 | |
19,49 | 24 | 0,921 | 452 | 19,49 | 24 | 1,228 | 528 | |
20,30 | 25 | 0,964 | 471 | 20,30 | 25 | 1,286 | 550 | |
21,11 | 26 | 1,007 | 490 | 21,11 | 26 | 1,345 | 572 | |
21,92 | 27 | 1,050 | 509 | 21,92 | 27 | 1,403 | 594 | |
22,74 | 28 | 1,093 | 528 | 22,74 | 28 | 1,462 | 616 | |
23,55 | 29 | 1,136 | 547 | 23,55 | 29 | 1,520 | 638 | |
24,36 | 30 | 1,179 | 565 | 24,36 | 30 | 1,579 | 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 | |
0,81 | 1 | 0,014 | 19 | 0,81 | 1 | 0,016 | 22 | |
1,62 | 2 | 0,048 | 38 | 1,62 | 2 | 0,056 | 44 | |
2,44 | 3 | 0,094 | 57 | 2,44 | 3 | 0,111 | 66 | |
3,25 | 4 | 0,147 | 75 | 3,25 | 4 | 0,175 | 88 | |
4,06 | 5 | 0,206 | 94 | 4,06 | 5 | 0,246 | 110 | |
4,87 | 6 | 0,268 | 113 | 4,87 | 6 | 0,322 | 132 | |
5,68 | 7 | 0,333 | 132 | 5,68 | 7 | 0,402 | 154 | |
6,50 | 8 | 0,400 | 151 | 6,50 | 8 | 0,484 | 176 | |
7,31 | 9 | 0,468 | 170 | 7,31 | 9 | 0,569 | 198 | |
8,12 | 10 | 0,538 | 188 | 8,12 | 10 | 0,656 | 220 | |
8,93 | 11 | 0,609 | 207 | 8,93 | 11 | 0,744 | 242 | |
9,74 | 12 | 0,680 | 226 | 9,74 | 12 | 0,833 | 264 | |
10,56 | 13 | 0,753 | 245 | 10,56 | 13 | 0,923 | 286 | |
11,37 | 14 | 0,825 | 264 | 11,37 | 14 | 1,014 | 308 | |
12,18 | 15 | 0,899 | 283 | 12,18 | 15 | 1,106 | 330 | |
12,99 | 16 | 0,973 | 302 | 12,99 | 16 | 1,199 | 352 | |
13,80 | 17 | 1,047 | 320 | 13,80 | 17 | 1,291 | 374 | |
14,62 | 18 | 1,121 | 339 | 14,62 | 18 | 1,385 | 396 | |
15,43 | 19 | 1,196 | 358 | 15,43 | 19 | 1,479 | 418 | |
16,24 | 20 | 1,271 | 377 | 16,24 | 20 | 1,573 | 440 | |
17,05 | 21 | 1,346 | 396 | 17,05 | 21 | 1,667 | 462 | |
17,86 | 22 | 1,422 | 415 | 17,86 | 22 | 1,762 | 484 | |
18,68 | 23 | 1,497 | 434 | 18,68 | 23 | 1,857 | 506 | |
19,49 | 24 | 1,573 | 452 | 19,49 | 24 | 1,952 | 528 | |
20,30 | 25 | 1,649 | 471 | 20,30 | 25 | 2,048 | 550 | |
21,11 | 26 | 1,724 | 490 | 21,11 | 26 | 2,143 | 572 | |
21,92 | 27 | 1,801 | 509 | 21,92 | 27 | 2,239 | 594 | |
22,74 | 28 | 1,877 | 528 | 22,74 | 28 | 2,335 | 616 | |
23,55 | 29 | 1,953 | 547 | 23,55 | 29 | 2,431 | 638 | |
24,36 | 30 | 2,029 | 565 | 24,36 | 30 | 2,528 | 660 |