S981 Datasheet, PDF (7/27 Pages) EPCOS – NTC thermistors for temperature measurement

Temperature measurement
Leaded NTC thermistors, lead spacing 2.5 mm
B57981S
S981
R/T characteristics
R/T No. ⁸⁰¹⁸
T (°C)
B_25/100 = 3964 K
T (°C)
R_T/R₂₅
α (%/K)
40.0
35.0
30.0
25.0
20.0
30.24
22.1
16.32
12.17
9.153
6.3
30.0
6.1
35.0
5.9
40.0
5.8
45.0
5.6
50.0
B_25/100 = 3964 K
T (°C)
R_T/R₂₅
α (%/K)
0.8083
0.6572
0.5373
0.4418
0.365
4.2
100.0
4.1
105.0
4.0
110.0
3.9
115.0
3.7
120.0
B_25/100 = 3964 K
R_T/R₂₅
α (%/K)
0.0691
2.9
0.05974
2.9
0.05183
2.8
0.04512
2.8
0.0394
2.7
15.0
10.0
5.0
0.0
5.0
6.945
5.313
4.097
3.183
2.491
5.4
55.0 0.303
5.2
60.0 0.2527
5.1
65.0 0.2118
4.9
70.0 0.1783
4.8
75.0 0.1508
3.7
125.0 0.0345
2.6
3.6
130.0 0.03032
2.6
3.5
135.0 0.02672
2.5
3.4
140.0 0.02361
2.5
3.3
145.0 0.02091
2.4
10.0 1.963
4.7
15.0 1.557
4.6
20.0 1.244
4.4
25.0 1.0000
4.3
80.0 0.128
85.0 0.1091
90.0 0.0933
95.0 0.08016
3.2
150.0 0.01857
2.4
3.2
155.0 0.016537 2.3
3.1


3.0


Please read Cautions and warnings and
Important notes at the end of this document.
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