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Электронный компонент: B57350K0102J000

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NTC thermistors for
temperature measurement
Leadless NTCs
Series/Type:
B57350
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.
1) Depends on mounting situation
Applications
Automotive electronics, e.g.
measurement of cooling water
and oil temperature
Features
Front surfaces silver-plated
For clamp contacting
Options
Alternative resistance ratings,
rated temperatures and resistance tolerances
available on request
Delivery mode
Bulk
Dimensional drawing
D = 3.5
0.3 mm
L = 1.3
0.4 mm
Approx. weight 75 mg
General technical data
Climatic category
(IEC 60068-1)
55/155/21
Max. power
(at 25
C)
P
25
180
mW
Resistance tolerance
R
R
/R
R
5
%
Rated temperature
T
R
100
C
Dissipation factor
(in air)
th
1)
approx. 2.5
mW/K
Thermal cooling time constant
(in air)
c
1)
approx. 18
s
Heat capacity
C
th
1)
approx. 45
mJ/K
Electrical specification and ordering codes
R
100
R
25
No. of R/T
characteristic
B
25/100
K
Ordering code
70
990.2
1009
3930
1.5%
B57350K0102J000
Temperature measurement
B57350
Leadless NTCs
K350
Page 2 of 8
Please read Important notes and
Cautions and warnings at the end of this document.
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
< 3%
No visible
damage
Storage in damp
heat, steady state
IEC
60068-2-78
Temperature of air: 40
C
Relative humidity of air: 93%
Duration: 21 days
< 3%
No visible
damage
Rapid temperature
cycling
IEC
60068-2-14
Lower test temperature:
55
C
Upper test temperature: 155
C
Number of cycles: 100
< 3%
No visible
damage
Endurance
P
max
: 180 mW
t: 1000 h
< 3%
No visible
damage
Long-term stability
(empirical value)
Temperature: 125
C
t: 10000 h
< 5%
No visible
damage
Temperature measurement
B57350
Leadless NTCs
K350
Page 3 of 8
Please read Important notes and
Cautions and warnings at the end of this document.
R/T characteristics
B57350K0102J000
R/T No.
1009
T (
C)
B
25/100
= 3930 K, R
25
= 990
, T
R
= 100
C,
R
R
/R
R
=
5%
R
nom
[
]
R
min
[
]
R
max
[
]
R
R
/R
R
[
%]
T[
C]
(%/K)
55.0
84586
70820
98352
16.3
2.4
6.8
50.0
60186
50755
69616
15.7
2.3
6.7
45.0
43222
36700
49745
15.1
2.3
6.5
40.0
31319
26767
35872
14.5
2.3
6.4
35.0
22892
19686
26098
14.0
2.3
6.2
30.0
16873
14596
19151
13.5
2.2
6.0
25.0
12525
10896
14154
13.0
2.2
5.9
20.0
9393
8216
10571
12.5
2.2
5.7
15.0
7084
6228
7941
12.1
2.2
5.5
10.0
5395
4766
6023
11.7
2.2
5.4
5.0
4132
3668
4597
11.2
2.2
5.2
0.0
3194
2848
3540
10.8
2.1
5.1
5.0
2490
2230
2750
10.4
2.1
4.9
10.0
1957
1760
2154
10.1
2.1
4.8
15.0
1550
1399
1700
9.7
2.1
4.6
20.0
1236
1120
1352
9.4
2.1
4.5
25.0
990.2
900.8
1080
9.0
2.1
4.3
30.0
801.6
731.9
871.4
8.7
2.1
4.2
35.0
650.8
596.3
705.4
8.4
2.0
4.1
40.0
531.7
488.8
574.7
8.1
2.0
4.0
45.0
437.4
403.3
471.4
7.8
2.0
3.9
50.0
361.8
334.6
388.9
7.5
2.0
3.8
55.0
300.3
278.6
322.0
7.2
2.0
3.7
60.0
250.7
233.2
268.1
6.9
2.0
3.5
65.0
210.6
196.5
224.7
6.7
1.9
3.5
70.0
177.9
166.4
189.3
6.4
1.9
3.4
75.0
150.7
141.4
160.0
6.2
1.9
3.3
80.0
128.2
120.6
135.8
5.9
1.9
3.2
85.0
109.6
103.3
115.8
5.7
1.8
3.1
90.0
94.02
88.86
99.18
5.5
1.8
3.0
95.0
80.98
76.71
85.24
5.3
1.8
2.9
100.0
70.00
66.50
73.50
5.0
1.7
2.9
105.0
60.78
57.59
63.98
5.3
1.9
2.8
110.0
52.96
50.07
55.85
5.5
2.0
2.7
115.0
46.27
43.65
48.89
5.7
2.1
2.7
120.0
40.55
38.18
42.93
5.9
2.2
2.6
125.0
35.65
33.50
37.81
6.0
2.4
2.5
130.0
31.44
29.48
33.39
6.2
2.5
2.5
135.0
27.82
26.04
29.60
6.4
2.6
2.4
Temperature measurement
B57350
Leadless NTCs
K350
Page 4 of 8
Please read Important notes and
Cautions and warnings at the end of this document.
B57350K0102J000
R/T No.
1009
T (
C)
B
25/100
= 3930 K, R
25
= 990
, T
R
= 100
C,
R
R
/R
R
=
5%
R
nom
[
]
R
min
[
]
R
max
[
]
R
R
/R
R
[
%]
T[
C]
(%/K)
140.0
24.69
23.07
26.32
6.6
2.8
2.4
145.0
21.96
20.48
23.44
6.8
2.9
2.3
150.0
19.58
18.22
20.93
6.9
3.1
2.3
155.0
17.51
16.27
18.75
7.1
3.2
2.2
Temperature measurement
B57350
Leadless NTCs
K350
Page 5 of 8
Please read Important notes and
Cautions and warnings at the end of this document.