B57020M2502A 17 EPCOS Inc, B57020M2502A 17 Datasheet - Page 4

• Manufacturer Part Number: B57020M2502A 17
• Description: NTC Thermistor M2020/5 K/A17 2%
• Manufacturer: EPCOS Inc

Specifications of B57020M2502A 17

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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)