Data Sheet
R/T characteristics
R/T No.
2003 2004 2005
T (°C) B
25/100
= 3980 K B
25/100
= 4100 K B
25/100
= 4600 K
R
T
/R
25
α (%/K) R
T
/R
25
α (%/K) R
T
/R
25
α (%/K)
55.0 97.578 7.5 99.552 7.6 120.22 7.0
50.0 67.65 7.2 68.582 7.3 85.48 6.9
45.0 47.538 7.0 47.963 7.0 61.004 6.8
40.0 33.831 6.7 34.019 6.7 43.712 6.7
35.0 24.359 6.5 24.448 6.5 31.459 6.6
30.0 17.753 6.3 17.787 6.3 22.746 6.6
25.0 13.067 6.0 13.083 6.1 16.49 6.4
20.0 9.7228 5.8 9.7251 5.8 12.071 6.3
15.0 7.3006 5.6 7.316 5.6 8.8455 6.1
10.0 5.5361 5.5 5.5545 5.4 6.5446 6.0
5.0 4.2332 5.3 4.2531 5.3 4.8852 5.8
0.0 3.266 5.1 3.2836 5.1 3.6781 5.6
5.0 2.5392 5.0 2.5512 5.0 2.7944 5.4
10.0 1.9902 4.8 1.9973 4.8 2.1391 5.3
15.0 1.5709 4.7 1.5738 4.7 1.6507 5.1
20.0 1.2492 4.5 1.2488 4.5 1.2823 5.1
25.0 1.0000 4.4 1.0000 4.5 1.0000 5.0
30.0 0.80575 4.3 0.8008 4.3 0.78393 4.8
35.0 0.65326 4.1 0.64733 4.2 0.61822 4.7
40.0 0.5329 4.0 0.52628 4.0 0.49053 4.6
45.0 0.43715 3.9 0.43263 3.9 0.39116 4.5
50.0 0.36064 3.8 0.35708 3.9 0.31371 4.3
55.0 0.29908 3.7 0.29406 3.8 0.25338 4.2
60.0 0.24932 3.6 0.24342 3.7 0.20565 4.2
65.0 0.20886 3.5 0.20278 3.6 0.16762 4.1
70.0 0.17578 3.4 0.16964 3.5 0.13726 4.0
75.0 0.14863 3.3 0.14257 3.4 0.11279 3.9
80.0 0.12621 3.2 0.12028 3.4 0.093053 3.8
85.0 0.10763 3.1 0.10196 3.3 0.077177 3.7
90.0 0.092159 3.1 0.086757 3.3 0.064263 3.6
95.0 0.079225 3.0 0.073804 3.2 0.053678 3.6
100.0 0.068356 2.9 0.062974 3.0 0.044996 3.5
105.0 0.059247 2.8 0.054276 2.9 0.037917 3.4
110.0 0.051531 2.8 0.046943 3.0 0.032063 3.4
115.0 0.044921 2.7 0.040576 2.9 0.027161 3.3
120.0 0.039282 2.7 0.035174 2.8 0.023079 3.2
125.0 0.034387 2.6 0.030637 2.7 0.01968 3.2
130.0 0.030186 2.5
135.0 0.02665 2.5
140.0 0.023594 2.4
145.0 0.020931 2.4
150.0 0.018616 2.3
155.0 0.016612 2.3
Temperature measurement and compensation B57891M
Leaded NTC thermistors, lead spacing 2.5 mm M891
Page 6 of 23Please read Cautions and warnings and
Important notes at the end of this document.