B57861S 202F 40 EPCOS Inc, B57861S 202F 40 Datasheet - Page 4
B57861S 202F 40
Manufacturer Part Number
B57861S 202F 40
Description
NTC Thermistor
Manufacturer
EPCOS Inc
Datasheet
1.B57861S0103F040.pdf
(14 pages)
Specifications of B57861S 202F 40
Thermistor Type
NTC
Resistance
2kohm
Thermistor Tolerance
± 1%
Beta Value (k)
3560
Operating Temperature Range
-55°C To +155°C
Thermistor Case Style
Radial Lead
No. Of Pins
2
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
R/T characteristics
R/T No.
T ( C)
Please read Cautions and warnings and
Important notes at the end of this document.
Temperature measurement
Miniature sensors with bendable wires
100.0
105.0
110.0
115.0
120.0
125.0
130.0
135.0
140.0
145.0
150.0
155.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
15.0
10.0
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
5.0
0.0
5.0
1008
B
R
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
25/100
T
/R
25
= 3560 K
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
(%/K) R
2014
B
142
96.615
66.562
46.4
32.708
23.302
16.77
12.186
25/100
T
/R
8.937
6.6125
4.9342
3.712
2.8145
2.15
1.6544
1.2819
1.0000
0.78514
0.62031
0.49304
0.39417
0.3169
0.25616
0.20815
0.17
0.13952
0.11505
0.095302
0.079296
0.066263
0.055601
0.046843
0.039618
0.033634
0.028658
0.024505
0.021026
0.018101
0.015633
0.013544
0.011769
0.010258
0.0089659
25
= 4540 K
Page 4 of 14
7.8
7.6
7.3
7.1
6.9
6.7
6.5
6.3
6.1
5.9
5.8
5.6
5.5
5.3
5.2
5.0
4.9
4.8
4.7
4.5
4.4
4.3
4.2
4.1
4.0
3.9
3.8
3.7
3.6
3.5
3.5
3.4
3.3
3.2
3.2
3.1
3.0
3.0
2.9
2.8
2.8
2.7
2.7
(%/K) R
2901
B
63.969
46.179
33.738
24.927
18.611
14.033
10.679
8.198
6.3123
4.9014
3.821
3.0027
2.3801
1.9
1.5257
1.233
1.0000
0.81679
0.67166
0.55527
0.46095
0.38459
0.32184
0.27068
0.22907
0.19468
0.16607
0.14221
0.12218
0.10533
0.09123
0.079284
0.069062
0.06034
0.052886
0.046482
0.040985
0.036233
0.032101
0.02851
0.025373
0.022633
0.020231
25/100
T
/R
25
= 3760 K
6.7
6.4
6.2
6.0
5.8
5.6
5.4
5.3
5.2
5.1
4.9
4.7
4.6
4.5
4.3
4.3
4.1
4.0
3.9
3.8
3.8
3.7
3.6
3.5
3.3
3.2
3.1
3.1
3.0
2.9
2.8
2.8
2.7
2.7
2.6
2.5
2.5
2.5
2.4
2.4
2.3
2.3
2.3
(%/K)
B57861S
S861