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
1008
1009
1013
B
25/100
= 3560 K
B
25/100
= 3930 K
B
25/100
= 3900 K
R
T
/R
25
α
(%/K) R
T
/R
25
α
(%/K) R
T
/R
25
α
(%/K)
53.104
39.318
29.325
22.03
16.666
12.696
9.7251
7.5171
5.8353
4.5686
3.605
2.8665
2.2907
1.8438
1.492
1.2154
1.0000
0.82976
0.68635
0.57103
0.48015
0.40545
0.3417
0.28952
0.24714
0.21183
0.18194
0.1568
0.13592
0.11822
0.1034
0.090741
0.079642
0.070102
0.061889
0.054785
0.048706
0.043415
0.038722
0.034615
0.031048
0.02791
0.025193
6.1
6.0
5.8
5.7
5.5
5.4
5.2
5.1
4.9
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
2.6
2.6
2.5
2.4
2.4
2.3
2.3
2.2
2.2
2.1
2.1
2.0
85.423
60.781
43.65
31.629
23.118
17.04
12.649
9.4864
7.1545
5.4479
4.1732
3.2256
2.5147
1.9763
1.5649
1.2481
1.0000
0.80956
0.65726
0.53697
0.44169
0.36534
0.30327
0.25313
0.21271
0.17962
0.15219
0.12949
0.11067
0.094952
0.08178
0.07069
0.061383
0.053486
0.04673
0.040955
0.036006
0.031747
0.028097
0.024935
0.022176
0.019772
0.017683
7.0
6.8
6.6
6.4
6.2
6.1
5.9
5.8
5.6
5.4
5.2
5.1
4.9
4.8
4.6
4.5
4.3
4.2
4.1
4.0
3.9
3.8
3.7
3.5
3.4
3.4
3.3
3.2
3.1
3.0
3.0
2.9
2.8
2.7
2.7
2.6
2.5
2.5
2.4
2.4
2.3
2.3
2.2
77.285
54.938
39.507
28.722
21.099
15.652
11.715
8.8541
6.7433
5.1815
4.0099
3.1283
2.4569
1.9438
1.5475
1.2403
1.0000
0.81104
0.66146
0.54254
0.44727
0.37067
0.30865
0.25825
0.21707
0.18323
0.15535
0.13223
0.11302
0.096951
0.083487
0.072139
0.062559
0.054425
0.047508
0.041594
0.036532
7.0
6.7
6.5
6.3
6.1
5.9
5.7
5.6
5.4
5.2
5.1
4.9
4.8
4.6
4.5
4.4
4.3
4.1
4.0
3.9
3.8
3.7
3.6
3.5
3.4
3.3
3.3
3.2
3.1
3.0
3.0
2.9
2.8
2.8
2.7
2.6
2.6
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 23