B57540G234H EPCOS Inc, B57540G234H Datasheet - Page 9

• Manufacturer Part Number: B57540G234H
• Description: Thermistors - NTC 230k 4264
• Manufacturer: EPCOS Inc
• Series: B57540Gr
• Type: NTCr

Specifications of B57540G234H

• Resistance: 230 KOhms
• Tolerance: 2 %
• Termination Style: Radial
• Operating Temperature Range: - 55 C to + 200 C
• Dimensions: 0.8 mm Dia. x 0.8 mm W x 1.4 mm H
• Power Rating: 18 mW
• Lead Free Status / RoHS Status: 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
Glass-encapsulated sensors
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
8405
B
R
122.12
83.306
57.62
40.378
28.647
20.563
14.925
10.947
100/200
T
/R
8.1101
6.0655
4.5776
3.4845
2.6743
2.0686
1.6121
1.2654
1.0000
0.79548
0.63677
0.51279
0.41534
0.33828
0.27698
0.22795
0.18853
0.15666
0.13077
0.10964
0.092319
0.078049
0.066244
0.056439
0.048262
0.041416
0.035663
0.030811
0.026705
0.023218
0.020247
0.017707
0.01553
0.013658
0.012043
25
= 4537 K
7.8
7.5
7.2
7.0
6.7
6.5
6.3
6.1
5.9
5.7
5.5
5.4
5.2
5.1
4.9
4.8
4.6
4.5
4.4
4.3
4.2
4.1
3.9
3.8
3.7
3.7
3.6
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
2.6
2.5
2.5
(%/K) R
8406
B
183.3
120.69
80.721
54.792
37.713
26.301
18.571
13.269
200/300
T
/R
9.5865
6.9997
5.1625
3.844
2.8884
2.1892
1.673
1.2886
1.0000
0.78164
0.61516
0.48734
0.38851
0.3116
0.25136
0.2039
0.16629
0.1363
0.11228
0.092932
0.077268
0.064527
0.054116
0.045571
0.038526
0.032694
0.027847
0.023803
0.020416
0.017569
0.015167
0.013135
0.011409
0.0099385
0.0086821
25
= 5133 K
Page 9 of 18
8.5
8.2
7.9
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
4.9
4.7
4.6
4.5
4.4
4.2
4.1
4.0
3.9
3.8
3.7
3.6
3.6
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
8415
B
103.29
71.079
49.619
35.108
25.158
18.245
13.383
0/100
T
/R
9.9221
7.4316
5.6202
4.2894
3.3024
2.5607
2.0017
1.5768
1.2513
1.0000
0.80451
0.65139
0.53064
0.43481
0.35828
0.29681
0.24715
0.20682
0.17389
0.14687
0.12459
0.10614
0.09078
0.077949
0.067183
0.058113
0.050443
0.043932
0.038386
0.033645
0.029579
0.02608
0.02306
0.020446
0.018176
0.016199
25
= 3970 K
B57540G, B57540G1
7.6
7.3
7.1
6.8
6.5
6.3
6.1
5.9
5.7
5.5
5.3
5.2
5.0
4.8
4.7
4.6
4.4
4.3
4.2
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
2.7
2.6
2.5
2.5
2.4
2.4
2.3
2.3
(%/K)
G540/G1540