TEMPERATURE VS RESISTANCE TABLE 49K 3% 3950
January 17, 2026
TEMPERATURE VS RESISTANCE TABLE
Resistance 49k Ohms at 25deg. C
Resistance Tolerance + / -3%
B Value 3950K at 25/50deg. C
B Value Tolerance + / - 1 %
|
Temp. (deg. C) |
Rmax (k Ohms) |
Rnor (k Ohms) |
Rmin (k Ohms) |
| -40 | 1793.2784 | 1680.5750 | 1573.5371 |
| -39 | 1675.3256 | 1571.0931 | 1472.0197 |
| -38 | 1565.9388 | 1469.4941 | 1377.7483 |
| -37 | 1464.4396 | 1375.1582 | 1290.1578 |
| -36 | 1370.2087 | 1287.5199 | 1208.7323 |
| -35 | 1282.6785 | 1206.0597 | 1132.9972 |
| -34 | 1201.3289 | 1130.3026 | 1062.5184 |
| -33 | 1125.6849 | 1059.8130 | 996.8978 |
| -32 | 1055.3091 | 994.1908 | 935.7692 |
| -31 | 989.8013 | 933.0687 | 878.7963 |
| -30 | 928.7943 | 876.1100 | 825.6705 |
| -29 | 871.9502 | 823.0048 | 776.1078 |
| -28 | 818.9587 | 773.4680 | 729.8467 |
| -27 | 769.5350 | 727.2377 | 686.6466 |
| -26 | 723.4164 | 684.0724 | 646.2860 |
| -25 | 680.3613 | 643.7499 | 608.5604 |
| -24 | 640.1475 | 606.0656 | 573.2817 |
| -23 | 602.5698 | 570.8303 | 540.2759 |
| -22 | 567.4393 | 537.8701 | 509.3828 |
| -21 | 534.5818 | 507.0242 | 480.4543 |
| -20 | 503.8363 | 478.1439 | 453.3532 |
| -19 | 475.0542 | 451.0921 | 427.9532 |
| -18 | 448.0984 | 425.7421 | 404.1372 |
| -17 | 422.8419 | 401.9765 | 381.7969 |
| -16 | 399.1674 | 379.6868 | 360.8319 |
| -15 | 376.9665 | 358.7726 | 341.1495 |
| -14 | 356.1385 | 339.1407 | 322.6635 |
| -13 | 336.5906 | 320.7049 | 305.2940 |
| -12 | 318.2365 | 303.3854 | 288.9672 |
| -11 | 300.9962 | 287.1080 | 273.6141 |
| -10 | 284.7956 | 271.8038 | 259.1711 |
| -9 | 269.5660 | 257.4090 | 245.5789 |
| -8 | 255.2436 | 243.8642 | 232.7825 |
| -7 | 241.7690 | 231.1144 | 220.7306 |
| -6 | 229.0872 | 219.1083 | 209.3756 |
| -5 | 217.1469 | 207.7983 | 198.6732 |
| -4 | 205.9006 | 197.1399 | 188.5821 |
| -3 | 195.3040 | 187.0920 | 179.0640 |
| -2 | 185.3158 | 177.6161 | 170.0831 |
| -1 | 175.8977 | 168.6764 | 161.6060 |
| 0 | 167.0139 | 160.2395 | 153.6016 |
| 1 | 158.6311 | 152.2744 | 146.0408 |
| 2 | 150.7183 | 144.7520 | 138.8967 |
| 3 | 143.2464 | 137.6451 | 132.1438 |
| 4 | 136.1885 | 130.9287 | 125.7588 |
| 5 | 129.5193 | 124.5790 | 119.7193 |
| 6 | 123.2153 | 118.5740 | 114.0048 |
| 7 | 117.2544 | 112.8931 | 108.5961 |
| 8 | 111.6162 | 107.5170 | 103.4751 |
| 9 | 106.2813 | 102.4277 | 98.6250 |
| 10 | 101.2318 | 97.6084 | 94.0299 |
| 11 | 96.4510 | 93.0432 | 89.6750 |
| 12 | 91.9230 | 88.7174 | 85.5465 |
| 13 | 87.6331 | 84.6171 | 81.6315 |
| 14 | 83.5676 | 80.7295 | 77.9176 |
| 15 | 79.7134 | 77.0422 | 74.3935 |
| 16 | 76.0585 | 73.5440 | 71.0486 |
| 17 | 72.5916 | 70.2241 | 67.8726 |
| 18 | 69.3018 | 67.0724 | 64.8563 |
| 19 | 66.1794 | 64.0797 | 61.9907 |
| 20 | 63.2149 | 61.2370 | 59.2676 |
| 21 | 60.3994 | 58.5360 | 56.6790 |
| 22 | 57.7247 | 55.9689 | 54.2177 |
| 23 | 55.1830 | 53.5284 | 51.8767 |
| 24 | 52.7671 | 51.2076 | 49.6495 |
| 25 | 50.4700 | 49.0000 | 47.5300 |
| 26 | 48.3276 | 46.8995 | 45.4726 |
| 27 | 46.2878 | 44.9003 | 43.5153 |
| 28 | 44.3449 | 42.9971 | 41.6527 |
| 29 | 42.4940 | 41.1847 | 39.8798 |
| 30 | 40.7303 | 39.4584 | 38.1919 |
| 31 | 39.0491 | 37.8136 | 36.5843 |
| 32 | 37.4462 | 36.2461 | 35.0529 |
| 33 | 35.9176 | 34.7519 | 33.5937 |
| 34 | 34.4594 | 33.3271 | 32.2029 |
| 35 | 33.0681 | 31.9681 | 30.8769 |
| 36 | 31.7402 | 30.6717 | 29.6125 |
| 37 | 30.4726 | 29.4347 | 28.4065 |
| 38 | 29.2622 | 28.2539 | 27.2558 |
| 39 | 28.1061 | 27.1266 | 26.1577 |
| 40 | 27.0017 | 26.0501 | 25.1095 |
| 41 | 25.9463 | 25.0219 | 24.1087 |
| 42 | 24.9376 | 24.0395 | 23.1529 |
| 43 | 23.9733 | 23.1007 | 22.2398 |
| 44 | 23.0512 | 22.2034 | 21.3675 |
| 45 | 22.1693 | 21.3454 | 20.5337 |
| 46 | 21.3255 | 20.5250 | 19.7368 |
| 47 | 20.5181 | 19.7402 | 18.9747 |
| 48 | 19.7454 | 18.9894 | 18.2460 |
| 49 | 19.0056 | 18.2709 | 17.5488 |
| 50 | 18.2973 | 17.5832 | 16.8818 |
| 51 | 17.6189 | 16.9248 | 16.2435 |
| 52 | 16.9690 | 16.2944 | 15.6325 |
| 53 | 16.3463 | 15.6905 | 15.0475 |
| 54 | 15.7495 | 15.1120 | 14.4872 |
| 55 | 15.1775 | 14.5577 | 13.9506 |
| 56 | 14.6291 | 14.0264 | 13.4365 |
| 57 | 14.1031 | 13.5171 | 12.9438 |
| 58 | 13.5987 | 13.0288 | 12.4717 |
| 59 | 13.1147 | 12.5606 | 12.0190 |
| 60 | 12.6503 | 12.1114 | 11.5850 |
| 61 | 12.2046 | 11.6804 | 11.1687 |
| 62 | 11.7767 | 11.2669 | 10.7694 |
| 63 | 11.3660 | 10.8700 | 10.3863 |
| 64 | 10.9715 | 10.4890 | 10.0187 |
| 65 | 10.5926 | 10.1231 | 9.6658 |
| 66 | 10.2285 | 9.7718 | 9.3270 |
| 67 | 9.8788 | 9.4343 | 9.0018 |
| 68 | 9.5426 | 9.1101 | 8.6894 |
| 69 | 9.2195 | 8.7986 | 8.3893 |
| 70 | 8.9088 | 8.4991 | 8.1010 |
| 71 | 8.6101 | 8.2113 | 7.8239 |
| 72 | 8.3228 | 7.9346 | 7.5577 |
| 73 | 8.0464 | 7.6685 | 7.3017 |
| 74 | 7.7805 | 7.4125 | 7.0556 |
| 75 | 7.5246 | 7.1663 | 6.8190 |
| 76 | 7.2783 | 6.9294 | 6.5913 |
| 77 | 7.0412 | 6.7014 | 6.3724 |
| 78 | 6.8129 | 6.4820 | 6.1617 |
| 79 | 6.5931 | 6.2708 | 5.9589 |
| 80 | 6.3814 | 6.0674 | 5.7637 |
| 81 | 6.1774 | 5.8716 | 5.5759 |
| 82 | 5.9809 | 5.6829 | 5.3950 |
| 83 | 5.7915 | 5.5012 | 5.2208 |
| 84 | 5.6090 | 5.3261 | 5.0530 |
| 85 | 5.4331 | 5.1574 | 4.8913 |
| 86 | 5.2635 | 4.9948 | 4.7356 |
| 87 | 5.0999 | 4.8381 | 4.5855 |
| 88 | 4.9422 | 4.6869 | 4.4409 |
| 89 | 4.7900 | 4.5412 | 4.3014 |
| 90 | 4.6432 | 4.4006 | 4.1670 |
| 91 | 4.5016 | 4.2651 | 4.0373 |
| 92 | 4.3649 | 4.1343 | 3.9123 |
| 93 | 4.2330 | 4.0081 | 3.7917 |
| 94 | 4.1056 | 3.8863 | 3.6753 |
| 95 | 3.9826 | 3.7687 | 3.5631 |
| 96 | 3.8639 | 3.6552 | 3.4547 |
| 97 | 3.7492 | 3.5457 | 3.3501 |
| 98 | 3.6384 | 3.4398 | 3.2492 |
| 99 | 3.5314 | 3.3377 | 3.1517 |
| 100 | 3.4280 | 3.2389 | 3.0576 |
| 101 | 3.3281 | 3.1436 | 2.9667 |
| 102 | 3.2315 | 3.0514 | 2.8789 |
| 103 | 3.1381 | 2.9624 | 2.7940 |
| 104 | 3.0478 | 2.8763 | 2.7121 |
| 105 | 2.9606 | 2.7932 | 2.6328 |
| 106 | 2.8761 | 2.7127 | 2.5563 |
| 107 | 2.7945 | 2.6350 | 2.4823 |
| 108 | 2.7155 | 2.5598 | 2.4107 |
| 109 | 2.6391 | 2.4870 | 2.3416 |
| 110 | 2.5652 | 2.4166 | 2.2747 |
| 111 | 2.4936 | 2.3486 | 2.2099 |
| 112 | 2.4244 | 2.2827 | 2.1474 |
| 113 | 2.3574 | 2.2190 | 2.0868 |
| 114 | 2.2925 | 2.1573 | 2.0282 |
| 115 | 2.2296 | 2.0975 | 1.9715 |
| 116 | 2.1688 | 2.0397 | 1.9166 |
| 117 | 2.1098 | 1.9837 | 1.8635 |
| 118 | 2.0527 | 1.9295 | 1.8121 |
| 119 | 1.9974 | 1.8770 | 1.7623 |
| 120 | 1.9438 | 1.8262 | 1.7140 |
| 121 | 1.8919 | 1.7769 | 1.6673 |
| 122 | 1.8416 | 1.7291 | 1.6221 |
| 123 | 1.7928 | 1.6829 | 1.5783 |
| 124 | 1.7455 | 1.6381 | 1.5358 |
| 125 | 1.6997 | 1.5946 | 1.4947 |
| 126 | 1.6552 | 1.5525 | 1.4548 |
| 127 | 1.6121 | 1.5116 | 1.4162 |
| 128 | 1.5703 | 1.4720 | 1.3787 |
| 129 | 1.5297 | 1.4336 | 1.3424 |
| 130 | 1.4904 | 1.3964 | 1.3072 |
| 131 | 1.4522 | 1.3603 | 1.2730 |
| 132 | 1.4152 | 1.3252 | 1.2399 |
| 133 | 1.3792 | 1.2912 | 1.2078 |
| 134 | 1.3443 | 1.2582 | 1.1766 |
| 135 | 1.3105 | 1.2262 | 1.1464 |
| 136 | 1.2776 | 1.1952 | 1.1170 |
| 137 | 1.2457 | 1.1650 | 1.0886 |
| 138 | 1.2147 | 1.1357 | 1.0609 |
| 139 | 1.1846 | 1.1073 | 1.0341 |
| 140 | 1.1553 | 1.0797 | 1.0081 |
| 141 | 1.1269 | 1.0529 | 0.9828 |
| 142 | 1.0993 | 1.0268 | 0.9583 |
| 143 | 1.0725 | 1.0016 | 0.9344 |
| 144 | 1.0465 | 0.9770 | 0.9113 |
| 145 | 1.0212 | 0.9531 | 0.8888 |
| 146 | 0.9966 | 0.9299 | 0.8670 |
| 147 | 0.9727 | 0.9074 | 0.8458 |
| 148 | 0.9494 | 0.8855 | 0.8251 |
| 149 | 0.9268 | 0.8642 | 0.8051 |
| 150 | 0.9049 | 0.8435 | 0.7857 |
| 151 | 0.8835 | 0.8234 | 0.7667 |
| 152 | 0.8627 | 0.8039 | 0.7483 |
| 153 | 0.8425 | 0.7848 | 0.7305 |
| 154 | 0.8228 | 0.7663 | 0.7131 |
| 155 | 0.8037 | 0.7484 | 0.6962 |
| 156 | 0.7851 | 0.7309 | 0.6797 |
| 157 | 0.7670 | 0.7138 | 0.6638 |
| 158 | 0.7494 | 0.6973 | 0.6482 |
| 159 | 0.7323 | 0.6812 | 0.6331 |
| 160 | 0.7156 | 0.6655 | 0.6184 |
| 161 | 0.6993 | 0.6502 | 0.6041 |
| 162 | 0.6835 | 0.6354 | 0.5901 |
| 163 | 0.6681 | 0.6209 | 0.5766 |
| 164 | 0.6531 | 0.6069 | 0.5634 |
| 165 | 0.6385 | 0.5932 | 0.5505 |
| 166 | 0.6243 | 0.5798 | 0.5380 |
| 167 | 0.6105 | 0.5669 | 0.5259 |
| 168 | 0.5970 | 0.5542 | 0.5140 |
| 169 | 0.5839 | 0.5419 | 0.5025 |
| 170 | 0.5711 | 0.5299 | 0.4912 |
| 171 | 0.5586 | 0.5182 | 0.4803 |
| 172 | 0.5464 | 0.5068 | 0.4696 |
| 173 | 0.5346 | 0.4957 | 0.4593 |
| 174 | 0.5231 | 0.4849 | 0.4492 |
| 175 | 0.5118 | 0.4744 | 0.4393 |
| 176 | 0.5009 | 0.4641 | 0.4297 |
| 177 | 0.4902 | 0.4541 | 0.4204 |
| 178 | 0.4797 | 0.4444 | 0.4112 |
| 179 | 0.4696 | 0.4349 | 0.4024 |
| 180 | 0.4597 | 0.4256 | 0.3937 |
| 181 | 0.4500 | 0.4166 | 0.3853 |
| 182 | 0.4406 | 0.4078 | 0.3770 |
| 183 | 0.4314 | 0.3992 | 0.3690 |
| 184 | 0.4224 | 0.3908 | 0.3612 |
| 185 | 0.4137 | 0.3826 | 0.3535 |
| 186 | 0.4051 | 0.3746 | 0.3461 |
| 187 | 0.3968 | 0.3669 | 0.3389 |
| 188 | 0.3887 | 0.3593 | 0.3318 |
| 189 | 0.3808 | 0.3519 | 0.3249 |
| 190 | 0.3730 | 0.3446 | 0.3181 |
| 191 | 0.3655 | 0.3376 | 0.3116 |
| 192 | 0.3581 | 0.3307 | 0.3052 |
| 193 | 0.3509 | 0.3240 | 0.2989 |
| 194 | 0.3439 | 0.3175 | 0.2928 |
| 195 | 0.3370 | 0.3111 | 0.2868 |
| 196 | 0.3303 | 0.3048 | 0.2810 |
| 197 | 0.3238 | 0.2987 | 0.2753 |
| 198 | 0.3174 | 0.2928 | 0.2698 |
| 199 | 0.3111 | 0.2869 | 0.2644 |
| 200 | 0.3051 | 0.2813 | 0.2591 |
| 201 | 0.2991 | 0.2757 | 0.2540 |
| 202 | 0.2933 | 0.2703 | 0.2489 |
| 203 | 0.2876 | 0.2650 | 0.2440 |
| 204 | 0.2820 | 0.2599 | 0.2392 |
| 205 | 0.2766 | 0.2548 | 0.2345 |
| 206 | 0.2713 | 0.2499 | 0.2299 |
| 207 | 0.2661 | 0.2451 | 0.2254 |
| 208 | 0.2611 | 0.2403 | 0.2211 |
| 209 | 0.2561 | 0.2357 | 0.2168 |
| 210 | 0.2513 | 0.2312 | 0.2126 |
| 211 | 0.2466 | 0.2268 | 0.2085 |
| 212 | 0.2419 | 0.2226 | 0.2045 |
| 213 | 0.2374 | 0.2184 | 0.2006 |
| 214 | 0.2330 | 0.2142 | 0.1968 |
| 215 | 0.2287 | 0.2102 | 0.1931 |
| 216 | 0.2244 | 0.2063 | 0.1895 |
| 217 | 0.2203 | 0.2025 | 0.1859 |
| 218 | 0.2163 | 0.1987 | 0.1824 |
| 219 | 0.2123 | 0.1950 | 0.1790 |
| 220 | 0.2084 | 0.1915 | 0.1757 |
| 221 | 0.2047 | 0.1879 | 0.1724 |
| 222 | 0.2010 | 0.1845 | 0.1693 |
| 223 | 0.1973 | 0.1811 | 0.1661 |
| 224 | 0.1938 | 0.1779 | 0.1631 |
| 225 | 0.1903 | 0.1746 | 0.1601 |
| 226 | 0.1869 | 0.1715 | 0.1572 |
| 227 | 0.1836 | 0.1684 | 0.1544 |
| 228 | 0.1803 | 0.1654 | 0.1516 |
| 229 | 0.1772 | 0.1625 | 0.1488 |
| 230 | 0.1740 | 0.1596 | 0.1462 |
| 231 | 0.1710 | 0.1567 | 0.1436 |
| 232 | 0.1680 | 0.1540 | 0.1410 |
| 233 | 0.1651 | 0.1513 | 0.1385 |
| 234 | 0.1622 | 0.1486 | 0.1360 |
| 235 | 0.1594 | 0.1460 | 0.1336 |
| 236 | 0.1567 | 0.1435 | 0.1313 |
| 237 | 0.1540 | 0.1410 | 0.1290 |
| 238 | 0.1513 | 0.1386 | 0.1267 |
| 239 | 0.1488 | 0.1362 | 0.1245 |
| 240 | 0.1462 | 0.1338 | 0.1224 |
| 241 | 0.1438 | 0.1316 | 0.1203 |
| 242 | 0.1413 | 0.1293 | 0.1182 |
| 243 | 0.1390 | 0.1271 | 0.1162 |
| 244 | 0.1366 | 0.1250 | 0.1142 |
| 245 | 0.1344 | 0.1229 | 0.1122 |
| 246 | 0.1321 | 0.1208 | 0.1103 |
| 247 | 0.1299 | 0.1188 | 0.1085 |
| 248 | 0.1278 | 0.1168 | 0.1067 |
| 249 | 0.1257 | 0.1149 | 0.1049 |
| 250 | 0.1236 | 0.1129 | 0.1031 |
| 251 | 0.1216 | 0.1111 | 0.1014 |
| 252 | 0.1196 | 0.1093 | 0.0997 |
| 253 | 0.1177 | 0.1075 | 0.0980 |
| 254 | 0.1158 | 0.1057 | 0.0964 |
| 255 | 0.1139 | 0.1040 | 0.0948 |
| 256 | 0.1121 | 0.1023 | 0.0933 |
| 257 | 0.1103 | 0.1006 | 0.0918 |
| 258 | 0.1085 | 0.0990 | 0.0903 |
| 259 | 0.1068 | 0.0974 | 0.0888 |
| 260 | 0.1051 | 0.0959 | 0.0874 |
| 261 | 0.1034 | 0.0943 | 0.0860 |
| 262 | 0.1018 | 0.0928 | 0.0846 |
| 263 | 0.1002 | 0.0914 | 0.0832 |
| 264 | 0.0986 | 0.0899 | 0.0819 |
| 265 | 0.0971 | 0.0885 | 0.0806 |
| 266 | 0.0956 | 0.0871 | 0.0793 |
| 267 | 0.0941 | 0.0858 | 0.0781 |
| 268 | 0.0927 | 0.0844 | 0.0768 |
| 269 | 0.0912 | 0.0831 | 0.0756 |
| 270 | 0.0898 | 0.0818 | 0.0745 |
| 271 | 0.0885 | 0.0806 | 0.0733 |
| 272 | 0.0871 | 0.0793 | 0.0722 |
| 273 | 0.0858 | 0.0781 | 0.0710 |
| 274 | 0.0845 | 0.0769 | 0.0699 |
| 275 | 0.0832 | 0.0757 | 0.0689 |
| 276 | 0.0820 | 0.0746 | 0.0678 |
| 277 | 0.0808 | 0.0735 | 0.0668 |
| 278 | 0.0796 | 0.0724 | 0.0658 |
| 279 | 0.0784 | 0.0713 | 0.0648 |
| 280 | 0.0772 | 0.0702 | 0.0638 |
| 281 | 0.0761 | 0.0692 | 0.0628 |
| 282 | 0.0750 | 0.0681 | 0.0619 |
| 283 | 0.0739 | 0.0671 | 0.0610 |
| 284 | 0.0728 | 0.0661 | 0.0601 |
| 285 | 0.0717 | 0.0652 | 0.0592 |
| 286 | 0.0707 | 0.0642 | 0.0583 |
| 287 | 0.0697 | 0.0633 | 0.0574 |
| 288 | 0.0686 | 0.0624 | 0.0566 |
| 289 | 0.0677 | 0.0614 | 0.0558 |
| 290 | 0.0667 | 0.0606 | 0.0549 |
| 291 | 0.0657 | 0.0597 | 0.0541 |
| 292 | 0.0648 | 0.0588 | 0.0534 |
| 293 | 0.0639 | 0.0580 | 0.0526 |
| 294 | 0.0630 | 0.0572 | 0.0518 |
| 295 | 0.0621 | 0.0563 | 0.0511 |
| 296 | 0.0612 | 0.0555 | 0.0503 |
| 297 | 0.0604 | 0.0548 | 0.0496 |
| 298 | 0.0595 | 0.0540 | 0.0489 |
| 299 | 0.0587 | 0.0532 | 0.0482 |
| 300 | 0.0579 | 0.0525 | 0.0475 |

