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