50K 3950 NTC热敏电阻温度/阻值 R/T表
标称阻值：50kΩ at 25℃
R25=50K±1%
B25/50=3950±1%
| Temp. (deg. C) |
Rmax (k Ohms) |
Rnor (k Ohms) |
Rmin (k Ohms) |
Temp. (deg. C) |
Rmax (k Ohms) |
Rnor (k Ohms) |
Rmin (k Ohms) |
| -30 | 919.4933 | 867.5966 | 817.8923 | 136 | 1.2536 | 1.1722 | 1.0952 |
| -29 | 864.1224 | 815.8525 | 769.5856 | 137 | 1.2214 | 1.1418 | 1.0665 |
| -28 | 812.4385 | 767.5242 | 724.4402 | 138 | 1.1901 | 1.1123 | 1.0387 |
| -27 | 764.1737 | 722.3655 | 682.2300 | 139 | 1.1598 | 1.0837 | 1.0117 |
| -26 | 719.0811 | 680.1494 | 642.7464 | 140 | 1.1303 | 1.0559 | 0.9855 |
| -25 | 676.9328 | 640.6660 | 605.7966 | 141 | 1.1018 | 1.0289 | 0.9600 |
| -24 | 637.5190 | 603.7224 | 571.2028 | 142 | 1.0740 | 1.0027 | 0.9354 |
| -23 | 600.6459 | 569.1395 | 538.8005 | 143 | 1.0470 | 0.9773 | 0.9114 |
| -22 | 566.1345 | 536.7528 | 508.4380 | 144 | 1.0209 | 0.9526 | 0.8882 |
| -21 | 533.8195 | 506.4095 | 479.9746 | 145 | 0.9954 | 0.9287 | 0.8656 |
| -20 | 503.5480 | 477.9686 | 453.2803 | 146 | 0.9707 | 0.9054 | 0.8437 |
| -19 | 475.1790 | 451.2997 | 428.2346 | 147 | 0.9467 | 0.8828 | 0.8224 |
| -18 | 448.5815 | 426.2819 | 404.7262 | 148 | 0.9234 | 0.8608 | 0.8017 |
| -17 | 423.6346 | 402.8032 | 382.6515 | 149 | 0.9007 | 0.8395 | 0.7817 |
| -16 | 400.2262 | 380.7601 | 361.9148 | 150 | 0.8787 | 0.8187 | 0.7622 |
| -15 | 378.2526 | 360.0565 | 342.4273 | 151 | 0.8573 | 0.7986 | 0.7432 |
| -14 | 357.6174 | 340.6031 | 324.1064 | 152 | 0.8365 | 0.7790 | 0.7248 |
| -13 | 338.2315 | 322.3174 | 306.8756 | 153 | 0.8162 | 0.7600 | 0.7070 |
| -12 | 320.0121 | 305.1225 | 290.6638 | 154 | 0.7966 | 0.7415 | 0.6896 |
| -11 | 302.8823 | 288.9470 | 275.4048 | 155 | 0.7775 | 0.7235 | 0.6727 |
| -10 | 286.7707 | 273.7248 | 261.0372 | 156 | 0.7589 | 0.7060 | 0.6563 |
| -9 | 271.6111 | 259.3943 | 247.5040 | 157 | 0.7408 | 0.6890 | 0.6403 |
| -8 | 257.3418 | 245.8982 | 234.7519 | 158 | 0.7232 | 0.6725 | 0.6248 |
| -7 | 243.9056 | 233.1832 | 222.7315 | 159 | 0.7061 | 0.6564 | 0.6097 |
| -6 | 231.2491 | 221.1997 | 211.3967 | 160 | 0.6894 | 0.6408 | 0.5951 |
| -5 | 219.3226 | 209.9016 | 200.7045 | 161 | 0.6732 | 0.6256 | 0.5808 |
| -4 | 208.0802 | 199.2459 | 190.6149 | 162 | 0.6575 | 0.6108 | 0.5670 |
| -3 | 197.4788 | 189.1925 | 181.0907 | 163 | 0.6421 | 0.5964 | 0.5535 |
| -2 | 187.4782 | 179.7039 | 172.0971 | 164 | 0.6272 | 0.5824 | 0.5403 |
| -1 | 178.0411 | 170.7455 | 163.6015 | 165 | 0.6127 | 0.5688 | 0.5276 |
| 0 | 169.1327 | 162.2846 | 155.5736 | 166 | 0.5985 | 0.5555 | 0.5152 |
| 1 | 160.7205 | 154.2909 | 147.9852 | 167 | 0.5848 | 0.5426 | 0.5031 |
| 2 | 152.7741 | 146.7361 | 140.8098 | 168 | 0.5714 | 0.5301 | 0.4913 |
| 3 | 145.2653 | 139.5937 | 134.0228 | 169 | 0.5583 | 0.5179 | 0.4799 |
| 4 | 138.1676 | 132.8389 | 127.6009 | 170 | 0.5456 | 0.5060 | 0.4688 |
| 5 | 131.4562 | 126.4487 | 121.5225 | 171 | 0.5333 | 0.4944 | 0.4579 |
| 6 | 125.1081 | 120.4015 | 115.7675 | 172 | 0.5212 | 0.4831 | 0.4474 |
| 7 | 119.1017 | 114.6769 | 110.3170 | 173 | 0.5095 | 0.4721 | 0.4371 |
| 8 | 113.4168 | 109.2560 | 105.1532 | 174 | 0.4981 | 0.4614 | 0.4271 |
| 9 | 108.0344 | 104.1212 | 100.2595 | 175 | 0.4869 | 0.4510 | 0.4174 |
| 10 | 102.9370 | 99.2559 | 95.6203 | 176 | 0.4761 | 0.4409 | 0.4079 |
| 11 | 98.1078 | 94.6444 | 91.2211 | 177 | 0.4655 | 0.4310 | 0.3987 |
| 12 | 93.5314 | 90.2722 | 87.0483 | 178 | 0.4552 | 0.4214 | 0.3897 |
| 13 | 89.1932 | 86.1257 | 83.0889 | 179 | 0.4452 | 0.4120 | 0.3809 |
| 14 | 85.0796 | 82.1920 | 79.3310 | 180 | 0.4354 | 0.4028 | 0.3724 |
| 15 | 81.1778 | 78.4591 | 75.7632 | 181 | 0.4259 | 0.3939 | 0.3641 |
| 16 | 77.4758 | 74.9157 | 72.3750 | 182 | 0.4166 | 0.3853 | 0.3560 |
| 17 | 73.9624 | 71.5513 | 69.1564 | 183 | 0.4076 | 0.3768 | 0.3481 |
| 18 | 70.6270 | 68.3558 | 66.0981 | 184 | 0.3987 | 0.3686 | 0.3404 |
| 19 | 67.4596 | 65.3199 | 63.1912 | 185 | 0.3901 | 0.3605 | 0.3329 |
| 20 | 64.4509 | 62.4349 | 60.4275 | 186 | 0.3817 | 0.3527 | 0.3256 |
| 21 | 61.5923 | 59.6925 | 57.7992 | 187 | 0.3735 | 0.3451 | 0.3185 |
| 22 | 58.8754 | 57.0848 | 55.2990 | 188 | 0.3656 | 0.3376 | 0.3115 |
| 23 | 56.2925 | 54.6047 | 52.9200 | 189 | 0.3578 | 0.3303 | 0.3048 |
| 24 | 53.8363 | 52.2453 | 50.6557 | 190 | 0.3502 | 0.3233 | 0.2982 |
| 25 | 51.5000 | 50.0000 | 48.5000 | 191 | 0.3428 | 0.3164 | 0.2917 |
| 26 | 49.3202 | 47.8628 | 46.4066 | 192 | 0.3356 | 0.3096 | 0.2855 |
| 27 | 47.2439 | 45.8279 | 44.4144 | 193 | 0.3285 | 0.3031 | 0.2793 |
| 28 | 45.2657 | 43.8900 | 42.5178 | 194 | 0.3216 | 0.2967 | 0.2734 |
| 29 | 43.3803 | 42.0439 | 40.7120 | 195 | 0.3149 | 0.2904 | 0.2676 |
| 30 | 41.5831 | 40.2849 | 38.9920 | 196 | 0.3084 | 0.2843 | 0.2619 |
| 31 | 39.8695 | 38.6083 | 37.3534 | 197 | 0.3020 | 0.2784 | 0.2563 |
| 32 | 38.2352 | 37.0100 | 35.7919 | 198 | 0.2957 | 0.2725 | 0.2509 |
| 33 | 36.6761 | 35.4860 | 34.3035 | 199 | 0.2897 | 0.2669 | 0.2457 |
| 34 | 35.1884 | 34.0323 | 32.8845 | 200 | 0.2837 | 0.2613 | 0.2405 |
| 35 | 33.7684 | 32.6454 | 31.5313 | 201 | 0.2779 | 0.2560 | 0.2355 |
| 36 | 32.4129 | 31.3220 | 30.2405 | 202 | 0.2722 | 0.2507 | 0.2306 |
| 37 | 31.1185 | 30.0588 | 29.0090 | 203 | 0.2667 | 0.2455 | 0.2258 |
| 38 | 29.8822 | 28.8527 | 27.8337 | 204 | 0.2613 | 0.2405 | 0.2212 |
| 39 | 28.7011 | 27.7010 | 26.7118 | 205 | 0.2560 | 0.2356 | 0.2166 |
| 40 | 27.5725 | 26.6010 | 25.6406 | 206 | 0.2509 | 0.2308 | 0.2122 |
| 41 | 26.4938 | 25.5500 | 24.6176 | 207 | 0.2459 | 0.2262 | 0.2078 |
| 42 | 25.4625 | 24.5456 | 23.6405 | 208 | 0.2410 | 0.2216 | 0.2036 |
| 43 | 24.4765 | 23.5857 | 22.7068 | 209 | 0.2362 | 0.2171 | 0.1995 |
| 44 | 23.5334 | 22.6679 | 21.8146 | 210 | 0.2315 | 0.2128 | 0.1954 |
| 45 | 22.6311 | 21.7902 | 20.9617 | 211 | 0.2269 | 0.2085 | 0.1915 |
| 46 | 21.7679 | 20.9508 | 20.1463 | 212 | 0.2224 | 0.2044 | 0.1876 |
| 47 | 20.9417 | 20.1477 | 19.3665 | 213 | 0.2180 | 0.2003 | 0.1839 |
| 48 | 20.1508 | 19.3793 | 18.6206 | 214 | 0.2138 | 0.1964 | 0.1802 |
| 49 | 19.3935 | 18.6438 | 17.9070 | 215 | 0.2096 | 0.1925 | 0.1766 |
| 50 | 18.6683 | 17.9397 | 17.2241 | 216 | 0.2055 | 0.1887 | 0.1731 |
| 51 | 17.9737 | 17.2656 | 16.5705 | 217 | 0.2015 | 0.1850 | 0.1697 |
| 52 | 17.3081 | 16.6200 | 15.9448 | 218 | 0.1976 | 0.1814 | 0.1663 |
| 53 | 16.6704 | 16.0015 | 15.3456 | 219 | 0.1938 | 0.1779 | 0.1631 |
| 54 | 16.0591 | 15.4090 | 14.7718 | 220 | 0.1901 | 0.1744 | 0.1599 |
| 55 | 15.4732 | 14.8411 | 14.2221 | 221 | 0.1865 | 0.1710 | 0.1568 |
| 56 | 14.9113 | 14.2969 | 13.6954 | 222 | 0.1829 | 0.1677 | 0.1537 |
| 57 | 14.3724 | 13.7751 | 13.1907 | 223 | 0.1794 | 0.1645 | 0.1507 |
| 58 | 13.8555 | 13.2748 | 12.7069 | 224 | 0.1760 | 0.1614 | 0.1478 |
| 59 | 13.3596 | 12.7949 | 12.2430 | 225 | 0.1727 | 0.1583 | 0.1450 |
| 60 | 12.8837 | 12.3346 | 11.7983 | 226 | 0.1694 | 0.1553 | 0.1422 |
| 61 | 12.4270 | 11.8930 | 11.3717 | 227 | 0.1663 | 0.1523 | 0.1394 |
| 62 | 11.9885 | 11.4692 | 10.9625 | 228 | 0.1632 | 0.1495 | 0.1368 |
| 63 | 11.5675 | 11.0624 | 10.5699 | 229 | 0.1601 | 0.1466 | 0.1342 |
| 64 | 11.1632 | 10.6719 | 10.1931 | 230 | 0.1571 | 0.1439 | 0.1316 |
| 65 | 10.7748 | 10.2970 | 9.8315 | 231 | 0.1542 | 0.1412 | 0.1291 |
| 66 | 10.4017 | 9.9369 | 9.4843 | 232 | 0.1514 | 0.1386 | 0.1267 |
| 67 | 10.0432 | 9.5910 | 9.1510 | 233 | 0.1486 | 0.1360 | 0.1243 |
| 68 | 9.6987 | 9.2588 | 8.8308 | 234 | 0.1459 | 0.1335 | 0.1220 |
| 69 | 9.3675 | 8.9395 | 8.5233 | 235 | 0.1432 | 0.1310 | 0.1197 |
| 70 | 9.0492 | 8.6326 | 8.2278 | 236 | 0.1406 | 0.1286 | 0.1175 |
| 71 | 8.7430 | 8.3377 | 7.9440 | 237 | 0.1380 | 0.1262 | 0.1153 |
| 72 | 8.4486 | 8.0541 | 7.6711 | 238 | 0.1355 | 0.1239 | 0.1132 |
| 73 | 8.1653 | 7.7814 | 7.4089 | 239 | 0.1331 | 0.1216 | 0.1111 |
| 74 | 7.8929 | 7.5192 | 7.1567 | 240 | 0.1307 | 0.1194 | 0.1091 |
| 75 | 7.6307 | 7.2669 | 6.9143 | 241 | 0.1283 | 0.1173 | 0.1071 |
| 76 | 7.3783 | 7.0242 | 6.6811 | 242 | 0.1260 | 0.1151 | 0.1051 |
| 77 | 7.1355 | 6.7907 | 6.4568 | 243 | 0.1238 | 0.1131 | 0.1032 |
| 78 | 6.9016 | 6.5659 | 6.2410 | 244 | 0.1216 | 0.1110 | 0.1013 |
| 79 | 6.6765 | 6.3496 | 6.0333 | 245 | 0.1194 | 0.1090 | 0.0995 |
| 80 | 6.4596 | 6.1413 | 5.8335 | 246 | 0.1173 | 0.1071 | 0.0977 |
| 81 | 6.2507 | 5.9408 | 5.6411 | 247 | 0.1152 | 0.1052 | 0.0959 |
| 82 | 6.0495 | 5.7476 | 5.4559 | 248 | 0.1132 | 0.1033 | 0.0942 |
| 83 | 5.8557 | 5.5616 | 5.2776 | 249 | 0.1112 | 0.1015 | 0.0925 |
| 84 | 5.6688 | 5.3824 | 5.1058 | 250 | 0.1093 | 0.0997 | 0.0909 |
| 85 | 5.4888 | 5.2097 | 4.9404 | 251 | 0.1074 | 0.0979 | 0.0893 |
| 86 | 5.3152 | 5.0433 | 4.7811 | 252 | 0.1055 | 0.0962 | 0.0877 |
| 87 | 5.1478 | 4.8829 | 4.6275 | 253 | 0.1037 | 0.0945 | 0.0861 |
| 88 | 4.9864 | 4.7283 | 4.4796 | 254 | 0.1019 | 0.0929 | 0.0846 |
| 89 | 4.8308 | 4.5793 | 4.3370 | 255 | 0.1001 | 0.0913 | 0.0831 |
| 90 | 4.6806 | 4.4355 | 4.1995 | 256 | 0.0984 | 0.0897 | 0.0817 |
| 91 | 4.5358 | 4.2969 | 4.0670 | 257 | 0.0967 | 0.0882 | 0.0803 |
| 92 | 4.3960 | 4.1632 | 3.9392 | 258 | 0.0951 | 0.0866 | 0.0789 |
| 93 | 4.2612 | 4.0342 | 3.8159 | 259 | 0.0935 | 0.0852 | 0.0775 |
| 94 | 4.1310 | 3.9097 | 3.6970 | 260 | 0.0919 | 0.0837 | 0.0762 |
| 95 | 4.0053 | 3.7896 | 3.5823 | 261 | 0.0903 | 0.0823 | 0.0748 |
| 96 | 3.8840 | 3.6737 | 3.4717 | 262 | 0.0888 | 0.0809 | 0.0736 |
| 97 | 3.7669 | 3.5618 | 3.3649 | 263 | 0.0873 | 0.0795 | 0.0723 |
| 98 | 3.6537 | 3.4538 | 3.2618 | 264 | 0.0859 | 0.0782 | 0.0711 |
| 99 | 3.5445 | 3.3495 | 3.1623 | 265 | 0.0844 | 0.0768 | 0.0699 |
| 100 | 3.4389 | 3.2487 | 3.0663 | 266 | 0.0830 | 0.0756 | 0.0687 |
| 101 | 3.3369 | 3.1514 | 2.9735 | 267 | 0.0817 | 0.0743 | 0.0675 |
| 102 | 3.2384 | 3.0574 | 2.8840 | 268 | 0.0803 | 0.0730 | 0.0664 |
| 103 | 3.1432 | 2.9666 | 2.7975 | 269 | 0.0790 | 0.0718 | 0.0653 |
| 104 | 3.0511 | 2.8789 | 2.7139 | 270 | 0.0777 | 0.0706 | 0.0642 |
| 105 | 2.9621 | 2.7941 | 2.6332 | 271 | 0.0764 | 0.0695 | 0.0631 |
| 106 | 2.8761 | 2.7121 | 2.5552 | 272 | 0.0752 | 0.0683 | 0.0620 |
| 107 | 2.7929 | 2.6329 | 2.4798 | 273 | 0.0740 | 0.0672 | 0.0610 |
| 108 | 2.7125 | 2.5563 | 2.4070 | 274 | 0.0728 | 0.0661 | 0.0600 |
| 109 | 2.6347 | 2.4823 | 2.3366 | 275 | 0.0716 | 0.0650 | 0.0590 |
| 110 | 2.5594 | 2.4106 | 2.2685 | 276 | 0.0704 | 0.0640 | 0.0580 |
| 111 | 2.4866 | 2.3414 | 2.2027 | 277 | 0.0693 | 0.0629 | 0.0571 |
| 112 | 2.4161 | 2.2744 | 2.1390 | 278 | 0.0682 | 0.0619 | 0.0562 |
| 113 | 2.3479 | 2.2095 | 2.0774 | 279 | 0.0671 | 0.0609 | 0.0552 |
| 114 | 2.2819 | 2.1468 | 2.0179 | 280 | 0.0660 | 0.0599 | 0.0543 |
| 115 | 2.2181 | 2.0861 | 1.9603 | 281 | 0.0650 | 0.0590 | 0.0535 |
| 116 | 2.1562 | 2.0274 | 1.9045 | 282 | 0.0639 | 0.0580 | 0.0526 |
| 117 | 2.0963 | 1.9705 | 1.8506 | 283 | 0.0629 | 0.0571 | 0.0518 |
| 118 | 2.0384 | 1.9155 | 1.7984 | 284 | 0.0619 | 0.0562 | 0.0509 |
| 119 | 1.9822 | 1.8622 | 1.7478 | 285 | 0.0610 | 0.0553 | 0.0501 |
| 120 | 1.9278 | 1.8106 | 1.6989 | 286 | 0.0600 | 0.0544 | 0.0493 |
| 121 | 1.8751 | 1.7606 | 1.6516 | 287 | 0.0591 | 0.0536 | 0.0485 |
| 122 | 1.8241 | 1.7122 | 1.6057 | 288 | 0.0582 | 0.0527 | 0.0478 |
| 123 | 1.7746 | 1.6653 | 1.5613 | 289 | 0.0573 | 0.0519 | 0.0470 |
| 124 | 1.7267 | 1.6199 | 1.5183 | 290 | 0.0564 | 0.0511 | 0.0463 |
| 125 | 1.6803 | 1.5759 | 1.4767 | 291 | 0.0555 | 0.0503 | 0.0455 |
| 126 | 1.6352 | 1.5332 | 1.4363 | 292 | 0.0547 | 0.0495 | 0.0448 |
| 127 | 1.5916 | 1.4919 | 1.3972 | 293 | 0.0538 | 0.0487 | 0.0441 |
| 128 | 1.5493 | 1.4518 | 1.3593 | 294 | 0.0530 | 0.0480 | 0.0434 |
| 129 | 1.5082 | 1.4130 | 1.3226 | 295 | 0.0522 | 0.0473 | 0.0428 |
| 130 | 1.4685 | 1.3754 | 1.2870 | 296 | 0.0514 | 0.0465 | 0.0421 |
| 131 | 1.4299 | 1.3389 | 1.2525 | 297 | 0.0506 | 0.0458 | 0.0414 |
| 132 | 1.3924 | 1.3035 | 1.2191 | 298 | 0.0499 | 0.0451 | 0.0408 |
| 133 | 1.3561 | 1.2691 | 1.1867 | 299 | 0.0491 | 0.0444 | 0.0402 |
| 134 | 1.3209 | 1.2358 | 1.1552 | 300 | 0.0484 | 0.0438 | 0.0396 |
| 135 | 1.2867 | 1.2035 | 1.1247 |
