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
4003
4012
4901
B
25/100
= 4450 K
B
25/100
= 4355 K
B
25/100
= 3950 K
R
T
/R
25
α
(%/K) R
T
/R
25
α
(%/K) R
T
/R
25
α
(%/K)
103.81
73.707
52.723
37.988
27.565
20.142
14.801
10.976
8.1744
6.1407
4.6331
3.5243
2.6995
2.0831
1.6189
1.2666
1.0000
0.78351
0.62372
0.49937
0.40218
0.32557
0.26402
0.21527
0.17693
0.14616
0.12097
0.10053
0.083761
0.070039
0.058937
0.049777
0.042146
0.035803
0.030504
0.026067
0.022332
0.019186
0.016515
0.014253
0.012367
0.010758
0.0093933
6.8
6.7
6.6
6.5
6.4
6.2
6.1
5.9
5.8
5.7
5.5
5.4
5.3
5.1
5.0
4.9
4.7
4.6
4.5
4.4
4.3
4.2
4.1
4.0
3.9
3.8
3.7
3.7
3.6
3.5
3.4
3.4
3.3
3.2
3.2
3.1
3.0
3.0
2.9
2.9
2.8
2.8
2.7
Page 10 of 23
115.76
80.102
56.067
39.677
28.374
20.496
14.949
11.004
8.1721
6.1208
4.6219
3.5176
2.6973
2.0834
1.6205
1.2689
1.0000
0.79302
0.63266
0.50765
0.40961
0.33229
0.27096
0.22206
0.18287
0.1513
0.12574
0.10496
0.087977
0.074045
0.062565
0.053067
0.045177
0.038597
0.03309
0.028464
0.024564
7.5
7.2
7.0
6.8
6.6
6.4
6.2
6.0
5.9
5.7
5.5
5.4
5.2
5.1
5.0
4.8
4.7
4.6
4.5
4.3
4.2
4.1
4.0
3.9
3.8
3.7
3.7
3.6
3.5
3.4
3.3
3.3
3.2
3.1
3.0
3.0
2.9
87.89
61.759
43.934
31.618
23.006
16.915
12.555
9.4143
7.1172
5.4308
4.1505
3.2014
2.5011
1.9691
1.5618
1.2474
1.0000
0.808
0.6569
0.5372
0.44235
0.3661
0.30393
0.25359
0.21283
0.17942
0.15183
0.12901
0.11002
0.094179
0.080896
0.069722
0.060397
0.052493
0.045733
0.039963
0.035059
0.030844
0.027192
0.024034
0.021285
0.018895
0.016813
7.1
6.9
6.7
6.5
6.3
6.1
5.9
5.7
5.5
5.4
5.2
5.0
4.9
4.7
4.6
4.5
4.3
4.2
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
2.9
2.8
2.7
2.7
2.6
2.6
2.5
2.4
2.4
2.4
2.3
Please read
Cautions and warnings
and
Important notes
at the end of this document.
EPCOS [ EPCOS ]
