Temperature measurement
Leaded NTC thermistors, lead spacing 2.5 mm
B57871S
S871
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
2908
2912
8016
B
25/100
= 3460 K
B
25/100
= 4280 K
B
25/100
= 3988 K
R
T
/R
25
α
(%/K) R
T
/R
25
α
(%/K) R
T
/R
25
α
(%/K)
45.313
33.729
25.333
19.191
14.659
11.288
8.7588
6.8471
5.391
4.2739
3.4109
2.7396
2.214
1.7999
1.4716
1.2099
1.0000
0.83078
0.69361
0.58186
0.49036
0.41509
0.35288
0.30124
0.25818
0.22213
0.19183
0.16626
0.1446
0.12618
0.11047
0.097017
0.085463
0.075506
0.066899
0.059437
0.052948
0.047289
0.042341
0.038003
0.034189
0.030828
0.027859
6.0
5.8
5.6
5.5
5.3
5.1
5.0
4.9
4.7
4.6
4.4
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
3.0
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
2.0
130.1
88.512
61.01
42.582
30.078
21.491
15.525
11.333
8.3571
6.2219
4.6751
3.544
2.7093
2.088
1.6217
1.2689
1.0000
0.79347
0.63374
0.50936
0.41187
0.33498
0.27397
0.22528
0.1862
0.15467
0.12909
0.10824
0.091161
0.077106
0.065487
0.05584
0.047798
0.041065
0.035408
0.030635
0.026594
0.023161
0.020234
0.01773
0.015581
0.013732
0.012135
7.8
7.6
7.3
7.1
6.8
6.6
6.4
6.2
6.0
5.8
5.6
5.5
5.3
5.1
5.0
4.8
4.7
4.6
4.4
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
96.3
67.01
47.17
33.65
24.26
17.7
13.04
9.707
7.293
5.533
4.232
3.265
2.539
1.99
1.571
1.249
1.0000
0.8057
0.6531
0.5327
0.4369
0.3603
0.2986
0.2488
0.2083
0.1752
0.1481
0.1258
0.1072
0.09177
0.07885
0.068
0.05886
0.05112
0.04454
0.03893
0.03417
0.03009
0.02654
0.02348
0.02083
0.01853
0.01653
7.4
7.2
6.9
6.7
6.4
6.2
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
3.2
3.1
3.0
2.9
2.9
2.8
2.7
2.6
2.6
2.5
2.5
2.4
2.4
2.3
2.3
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 6 of 19
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