B57220K 查看數據表（PDF） - EPCOS AG
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B57220K Datasheet PDF : 12 Pages
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Temperature measurement and compensation
Leadless NTCs
B57220K
K220
R/T characteristics
R/T No. 1008
T (°C)
B25/100 = 3560 K
T (°C)
RT/R25
α (%/K)
55.0
50.0
45.0
40.0
35.0
53.104
39.318
29.325
22.03
16.666
6.1
50.0
6.0
55.0
5.8
60.0
5.7
65.0
5.5
70.0
B25/100 = 3560 K
T (°C)
RT/R25
α (%/K)
0.40545
0.3417
0.28952
0.24714
0.21183
3.4
155.0
3.3
160.0
3.2
165.0
3.1
170.0
3.1
175.0
B25/100 = 3560 K
RT/R25
α (%/K)
0.025193 2.0
0.02279
2.0
0.020667 2.0
0.01878
1.9
0.01709
1.9
30.0 12.696
5.4
25.0 9.7251
5.2
20.0 7.5171
5.1
15.0 5.8353
4.9
10.0 4.5686
4.8
75.0 0.18194
80.0 0.1568
85.0 0.13592
90.0 0.11822
95.0 0.1034
3.0
180.0 0.015582 1.8
2.9
185.0 0.014227 1.8
2.8
190.0 0.013012 1.8
2.8
195.0 0.011934 1.7
2.7
200.0 0.010964 1.7
5.0
0.0
5.0
10.0
15.0
3.605
2.8665
2.2907
1.8438
1.492
4.7
100.0 0.090741 2.6
205.0 0.0101
1.7
4.5
105.0 0.079642 2.6
210.0 0.0093191 1.6
4.4
110.0 0.070102 2.5
215.0 0.0085949 1.6
4.3
115.0 0.061889 2.4
220.0 0.0079384 1.6
4.1
120.0 0.054785 2.4
225.0 0.0073411 1.5
20.0 1.2154
4.0
25.0 1.0000
3.9
30.0 0.82976 3.8
35.0 0.68635 3.7
40.0 0.57103 3.6
125.0 0.048706 2.3
130.0 0.043415 2.3
135.0 0.038722 2.2
140.0 0.034615 2.2
145.0 0.031048 2.1
230.0 0.006798 1.5
235.0 0.0063087 1.5
240.0 0.0058623 1.5
245.0 0.0054487 1.4
250.0 0.0050705 1.4
45.0 0.48015 3.5
150.0 0.02791
2.1
Please read Cautions and warnings and
Important notes at the end of this document.
Page 4 of 12
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