B57020 EPCOS AG, B57020 Datasheet - Page 4

• Manufacturer Part Number: B57020
• Description: Ntc Thermistors For Temperature Measurement
• Manufacturer: EPCOS AG

R/T characteristics
R/T No. 2003
T ( C)
Please read Cautions and warnings and
Important notes at the end of this document.
Temperature measurement
Probe assemblies
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
15.0
10.0
10.0
15.0
5.0
0.0
5.0
B
R
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
25/100
T
/R
25
= 3980 K
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
(%/K)
T ( C)
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
B
R
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
25/100
T
/R
Page 4 of 9
25
= 3980 K
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
(%/K)
T ( C)
100.0
105.0
110.0
115.0
120.0
125.0
130.0
135.0
140.0
145.0
150.0
155.0
95.0
B
R
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
25/100
T
/R
25
= 3980 K
B57020M2
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
M2020
(%/K)