Temp. Rmax Rnor Rmin (deg. C) (k Ohms) (k Ohms) (k Ohms) -40 349.6924 337.2659 325.2806 -39 326.8477 315.4439 304.4377 -38 305.6493 295.181 285.071 -37 285.968 276.3558 267.0665 -36 267.6855 258.8572 250.3197 -35 250.6936 242.5831 234.7348 -34 234.8929 227.4402 220.2237 -33 220.1926 213.3428 206.7058 -32 206.509 200.212 194.1068 -31 193.7655 187.9756 182.3585 -30 181.8916 176.567 171.3981 -29 170.8227 165.9252 161.168 -28 160.4991 155.9939 151.6149 -27 150.8661 146.7212 142.6899 -26 141.8734 138.0594 134.3479 -25 133.4743 129.9646 126.5472 -24 125.6261 122.3962 119.2493 -23 118.2893 115.3168 112.4188 -22 111.4276 108.6918 106.023 -21 105.0073 102.4893 100.0316 -20 98.9973 96.6799 94.4166 -19 93.3691 91.2363 89.152 -18 88.096 86.1332 84.214 -17 83.1536 81.3474 79.5803 -16 78.5192 76.8573 75.2304 -15 74.1717 72.6428 71.1453 -14 70.0918 68.6854 67.3072 -13 66.2614 64.968 63.6998 -12 62.6637 61.4745 60.3078 -11 59.2834 58.1903 57.1172 -10 56.1059 55.1015 54.1149 -9 53.118 52.1953 51.2886 -8 50.3073 49.4601 48.627 -7 47.6623 46.8846 46.1196 -6 45.1722 44.4588 43.7566 -5 42.8271 42.173 41.5288 -4 40.6177 40.0183 39.4277 -3 38.5354 37.9865 37.4454 -2 36.5722 36.07 35.5746 -1 34.7206 34.2614 33.8083 0 32.9737 32.5542 32.14 1 31.3249 30.9421 30.564 2 29.7681 29.4192 29.0744 3 28.2979 27.9802 27.6661 4 26.9087 26.6199 26.3342 5 25.5959 25.3337 25.0742 6 24.3546 24.117 23.8817 7 23.1807 22.9658 22.7529 8 22.0701 21.8761 21.6838 9 21.0191 20.8444 20.6712 10 20.0241 19.8672 19.7116 11 19.0819 18.9414 18.802 12 18.1893 18.064 17.9395 13 17.3436 17.2322 17.1215 14 16.5419 16.4434 16.3454 15 15.7818 15.6951 15.6089 16 15.0609 14.9851 14.9097 17 14.3769 14.3111 14.2457 18 13.7278 13.6713 13.615 19 13.1116 13.0636 13.0157 20 12.5265 12.4862 12.4461 21 11.9707 11.9376 11.9046 22 11.4427 11.4161 11.3896 23 10.9408 10.9203 10.8997 24 10.4637 10.4487 10.4336 25 10.01 10 9.99 26 9.5868 9.5731 9.5593 27 9.1838 9.1667 9.1495 28 8.7999 8.7797 8.7595 29 8.4342 8.4112 8.3882 30 8.0856 8.0601 8.0347 31 7.7533 7.7256 7.698 32 7.4364 7.4067 7.3771 33 7.1342 7.1027 7.0714 34 6.8459 6.8129 6.78 35 6.5708 6.5363 6.5021 36 6.3081 6.2725 6.2371 37 6.0574 6.0207 5.9843 38 5.818 5.7804 5.743 39 5.5892 5.5509 5.5128 40 5.3707 5.3317 5.293 41 5.1619 5.1223 5.0831 42 4.9622 4.9223 4.8826 43 4.7714 4.7311 4.6911 44 4.5888 4.5483 4.5081 45 4.4142 4.3735 4.3332 46 4.2472 4.2064 4.1659 47 4.0873 4.0465 4.006 48 3.9343 3.8935 3.853 49 3.7878 3.747 3.7067 50 3.6475 3.6069 3.5667 51 3.5131 3.4726 3.4327 52 3.3843 3.3441 3.3044 53 3.2609 3.221 3.1815 54 3.1427 3.103 3.0638 55 3.0293 2.99 2.9511 56 2.9206 2.8816 2.8431 57 2.8163 2.7777 2.7396 58 2.7163 2.6781 2.6404 59 2.6204 2.5826 2.5453 60 2.5283 2.4909 2.4541 61 2.4399 2.403 2.3666 62 2.355 2.3185 2.2826 63 2.2736 2.2375 2.2021 64 2.1953 2.1597 2.1248 65 2.1201 2.085 2.0506 66 2.0479 2.0133 1.9793 67 1.9785 1.9444 1.9109 68 1.9117 1.8782 1.8452 69 1.8476 1.8145 1.782 70 1.7859 1.7533 1.7214 71 1.7266 1.6945 1.6631 72 1.6696 1.638 1.607 73 1.6147 1.5836 1.5531 74 1.5618 1.5313 1.5013 75 1.511 1.4809 1.4515 76 1.4621 1.4325 1.4035 77 1.415 1.3859 1.3574 78 1.3696 1.341 1.313 79 1.3259 1.2978 1.2703 80 1.2838 1.2562 1.2292 81 1.2433 1.2161 1.1896 82 1.2042 1.1775 1.1514 83 1.1665 1.1403 1.1147 84 1.1302 1.1045 1.0793 85 1.0952 1.0699 1.0453 86 1.0615 1.0367 1.0124 87 1.0289 1.0045 0.9807 88 0.9975 0.9736 0.9502 89 0.9672 0.9437 0.9208 90 0.938 0.9149 0.8924 91 0.9098 0.8871 0.8651 92 0.8826 0.8603 0.8387 93 0.8563 0.8345 0.8132 94 0.8309 0.8095 0.7886 95 0.8064 0.7854 0.7649 96 0.7828 0.7621 0.742 97 0.7599 0.7396 0.7199 98 0.7378 0.7179 0.6986 99 0.7165 0.6969 0.6779 100 0.6958 0.6767 0.658 101 0.6759 0.6571 0.6388 102 0.6566 0.6382 0.6202 103 0.638 0.6199 0.6023 104 0.62 0.6022 0.5849 105 0.6026 0.5851 0.5682 106 0.5857 0.5686 0.552 107 0.5694 0.5526 0.5363 108 0.5536 0.5371 0.5211 109 0.5384 0.5222 0.5065 110 0.5236 0.5077 0.4923

负温度系数热敏电阻，简称为NTC热敏电阻，它的阻值随着工作温度的增加而降低。目前，因为NTC热敏电阻的几乎可以应用于对温度起作用的任何类型的设置中及它的高性价比，所以NTC热敏电阻已经成为最常用的温度传感器类型。
 
在采用NTC热敏电阻之前，得先搞明白NTC热敏电阻特有的阻值与温度（R/T)之间的关系。NTC热敏电阻的相对较大的负系数响应意味着即使很小的温度变化也会导致其电阻发生明显的变化，这也是NTC成为精确温度测试和控制的重要原因。

NTC热敏电阻特性曲线
 
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