NTC thermistors for
temperature measurement
Miniature sensors
with bendable wires
Series/Type:
B57863
Date:
March 2006
EPCOS AG 2006. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS' prior express consent is prohibited.
Applications
Heating systems
Industrial electronics
Automotive electronics
Features
Uni curve sensor
Fast response
High temperature accuracy
between 0
C and 70
C
Excellent long-term stability
Epoxy resin encapsulation
PTFE-insulated leads of silver-plated
nickel wire, AWG 30
UL approval (E69802)
Delivery mode
Bulk
Dimensional drawing
Dimensions in mm
Approx. weight 60 mg
General technical data
Climatic category
(IEC 60068-1)
55/155/56
Max. power
(at 25
C)
P
25
60
mW
Temperature tolerance
(0 ... 70
C)
T
0.2,
0.5
K
Rated temperature
T
R
25
C
Dissipation factor
(in air)
th
approx. 1.5
mW/K
Thermal cooling time constant
(in air)
c
approx. 15
s
Heat capacity
C
th
approx. 22.5
mJ/K
Electrical specification and ordering codes
R
25
No. of R/T
characteristic
B
25/100
K
Ordering code
+ =
Temperature tolerance
F =
0.2 K
G =
0.5 K
3 k
8016
3988
B57863S0302+040
5 k
8016
3988
B57863S0502+040
10 k
8016
3988
B57863S0103+040
30 k
8018
3964
B57863S0303+040
Temperature measurement
B57863
Miniature sensors with bendable wires
S863
Page 2 of 16
Please read Important notes and
Cautions and warnings at the end of this document.
Note
For calculation of the R/T characteristics refer to our special tool "NTC R/T calculation". You may
download this tool from Internet (http://www.epcos.com
Design Tools
NTC Thermistors
NTC R/T Calculation).
Reliability data
Test
Standard
Test conditions
R
25
/R
25
(typical)
Remarks
Storage in
dry heat
IEC
60068-2-2
Storage at upper
category temperature
T: 155
C
t: 1000 h
< 2%
No visible
damage
Storage in damp
heat, steady state
IEC
60068-2-78
Temperature of air: 40
C
Relative humidity of air: 93%
Duration: 56 days
< 1%
No visible
damage
Rapid temperature
cycling
IEC
60068-2-14
Lower test temperature:
55
C
Upper test temperature: 155
C
Number of cycles: 100
< 1%
No visible
damage
Long-term stability
(empirical value)
Temperature: 70
C
t: 10000 h
< 2%
No visible
damage
Temperature measurement
B57863
Miniature sensors with bendable wires
S863
Page 3 of 16
Please read Important notes and
Cautions and warnings at the end of this document.
R/T characteristics
B57863S0302F040
R/T No.
8016
T (
C)
B
25/100
= 3988 K, R
25
= 3000
, T
R
= 25
C,
R
R
/R
R
=
1%
R
nom
[
]
R
min
[
]
R
max
[
]
R
R
/R
R
[
%]
T[
C]
(%/K)
55.0
288910
273940
303890
5.2
0.7
7.4
50.0
201030
190980
211080
5.0
0.7
7.1
45.0
141510
135650
147360
4.1
0.6
6.9
40.0
100950
96918
104980
4.0
0.6
6.7
35.0
72777
70436
75117
3.2
0.5
6.4
30.0
53100
51450
54750
3.1
0.5
6.2
25.0
39111
37936
40286
3.0
0.5
6.0
20.0
29121
28444
29798
2.3
0.4
5.8
15.0
21879
21386
22371
2.3
0.4
5.6
10.0
16599
16328
16870
1.6
0.3
5.4
5.0
12695
12494
12895
1.6
0.3
5.3
0.0
9795
9695
9895
1.0
0.2
5.1
5.0
7616
7541
7692
1.0
0.2
5.0
10.0
5970
5913
6027
1.0
0.2
4.8
15.0
4712
4668
4756
0.9
0.2
4.7
20.0
3747
3713
3781
0.9
0.2
4.5
25.0
3000
2974
3026
0.9
0.2
4.4
30.0
2417
2396
2438
0.9
0.2
4.3
35.0
1959
1943
1976
0.8
0.2
4.1
40.0
1598
1585
1611
0.8
0.2
4.0
45.0
1311
1300
1321
0.8
0.2
3.9
50.0
1081
1073
1089
0.8
0.2
3.8
55.0
895.9
889.2
902.5
0.7
0.2
3.7
60.0
746.4
741.0
751.8
0.7
0.2
3.6
65.0
624.9
620.5
629.3
0.7
0.2
3.5
70.0
525.6
522.0
529.2
0.7
0.2
3.4
75.0
444.4
440.0
448.8
1.0
0.3
3.3
80.0
377.4
373.7
381.1
1.0
0.3
3.2
85.0
321.7
317.6
325.8
1.3
0.4
3.2
90.0
275.3
271.9
278.7
1.2
0.4
3.1
95.0
236.6
233.0
240.1
1.5
0.5
3.0
100.0
204.0
201.0
207.0
1.5
0.5
2.9
105.0
176.6
173.6
179.6
1.7
0.6
2.9
110.0
153.4
150.8
155.9
1.7
0.6
2.8
115.0
133.6
131.1
136.2
1.9
0.7
2.7
120.0
116.8
114.6
119.0
1.9
0.7
2.7
125.0
102.5
100.4
104.6
2.1
0.8
2.6
130.0
90.27
88.44
92.10
2.0
0.8
2.5
135.0
79.63
77.86
81.41
2.2
0.9
2.5
Temperature measurement
B57863
Miniature sensors with bendable wires
S863
Page 4 of 16
Please read Important notes and
Cautions and warnings at the end of this document.
B57863S0302F040
R/T No.
8016
T (
C)
B
25/100
= 3988 K, R
25
= 3000
, T
R
= 25
C,
R
R
/R
R
=
1%
R
nom
[
]
R
min
[
]
R
max
[
]
R
R
/R
R
[
%]
T[
C]
(%/K)
140.0
70.44
68.91
71.97
2.2
0.9
2.4
145.0
62.50
61.02
63.97
2.4
1.0
2.4
150.0
55.59
54.30
56.88
2.3
1.0
2.3
155.0
49.60
48.37
50.84
2.5
1.1
2.3
B57863S0302G040
R/T No.
8016
T (
C)
B
25/100
= 3988 K, R
25
= 3000
, T
R
= 25
C,
R
R
/R
R
=
%
R
nom
[
]
R
min
[
]
R
max
[
]
R
R
/R
R
[
%]
T[
C]
(%/K)
55.0
288910
241860
335970
16.3
2.2
7.4
50.0
201030
172310
229750
14.3
2.0
7.1
45.0
141510
122970
160040
13.1
1.9
6.9
40.0
100950
89525
112380
11.3
1.7
6.7
35.0
72777
65288
80266
10.3
1.6
6.4
30.0
53100
48479
57721
8.7
1.4
6.2
25.0
39111
36055
42167
7.8
1.3
6.0
20.0
29121
27259
30983
6.4
1.1
5.8
15.0
21879
20648
23110
5.6
1.0
5.6
10.0
16599
15876
17322
4.4
0.8
5.4
5.0
12695
12226
13163
3.7
0.7
5.3
0.0
9795
9545
10045
2.6
0.5
5.1
5.0
7616
7428
7805
2.5
0.5
5.0
10.0
5970
5827
6113
2.4
0.5
4.8
15.0
4712
4603
4822
2.3
0.5
4.7
20.0
3747
3662
3832
2.3
0.5
4.5
25.0
3000
2934
3066
2.2
0.5
4.4
30.0
2417
2366
2469
2.1
0.5
4.3
35.0
1959
1919
2000
2.1
0.5
4.1
40.0
1598
1566
1630
2.0
0.5
4.0
45.0
1311
1285
1336
2.0
0.5
3.9
50.0
1081
1060
1101
1.9
0.5
3.8
55.0
895.9
879.3
912.4
1.9
0.5
3.7
60.0
746.4
733.0
759.8
1.8
0.5
3.6
65.0
624.9
614.0
635.9
1.8
0.5
3.5
70.0
525.6
516.6
534.6
1.7
0.5
3.4
75.0
444.4
434.1
454.7
2.3
0.7
3.3
80.0
377.4
367.6
387.2
2.6
0.8
3.2
85.0
321.7
312.6
330.8
2.8
0.9
3.2
90.0
275.3
266.8
283.8
3.1
1.0
3.1
Temperature measurement
B57863
Miniature sensors with bendable wires
S863
Page 5 of 16
Please read Important notes and
Cautions and warnings at the end of this document.
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