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Электронный компонент: B57045K0103K000

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NTC thermistors for
temperature measurement
Probe assemblies
Series/Type:
B57045
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
Temperature compensation (chassis
mounting)
Temperature measurement (chassis
mounting)
Temperature control (chassis mounting)
Features
Cost-effective
Good thermal coupling through screw-type
case (thread M3)
Electrically isolated aluminum case
Tinned copper leads
Options
Tighter resistance tolerance available on
request
Delivery mode
Bulk
Dimensional drawing
Dimensions in mm
Approx. weight 1 g
General technical data
Climatic category
(IEC 60068-1)
55/125/56
Max. power
(at 25
C)
P
25
450
mW
Resistance tolerance
R
R
/R
R
10
%
Rated temperature
T
R
25
C
Dissipation factor
(in air)
th
approx. 9
mW/K
Dissipation factor
(on chassis)
th
approx. 20
mW/K
Thermal cooling time constant
(in air)
c
approx. 75
s
Thermal cooling time constant
(on chassis)
c
approx. 15
s
Torque
approx. 0.5
Nm
Insulation resistance
(V = 100 VDC)
R
ins
>100
M
Test voltage
(t = 1 s)
V
test
2500
VAC
Electrical specification and ordering codes
R
25
No. of R/T
characteristic
B
25/100
K
Ordering code
1 k
1011
3730
3%
B57045K0102K000
2.2 k
1013
3900
3%
B57045K0222K000
4.7 k
4001
3950
3%
B57045K0472K000
6.8 k
2903
4200
3%
B57045K0682K000
Temperature measurement
B57045
Probe assemblies
K45
Page 2 of 16
Please read Important notes and
Cautions and warnings at the end of this document.
R
25
No. of R/T
characteristic
B
25/100
K
Ordering code
10 k
2904
4300
3%
B57045K0103K000
33 k
1012
4300
3%
B57045K0333K000
47 k
4003
4450
3%
B57045K0473K000
68 k
2005
4600
3%
B57045K0683K000
100 k
2005
4600
3%
B57045K0104K000
150 k
2005
4600
3%
B57045K0154K000
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: 125
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: 56 days
< 3%
No visible
damage
Endurance
P
max
: 450 mW
t: 1000 h
< 3%
No visible
damage
Long-term stability
(empirical value)
Temperature: 100
C
t: 10000 h
< 5%
No visible
damage
Temperature measurement
B57045
Probe assemblies
K45
Page 3 of 16
Please read Important notes and
Cautions and warnings at the end of this document.
R/T characteristics
B57045K0102K000
R/T No.
1011
T (
C)
B
25/100
= 3730 K, R
25
= 1000
, T
R
= 20
C,
R
R
/R
R
=
10%
R
nom
[
]
R
min
[
]
R
max
[
]
R
R
/R
R
[
%]
T[
C]
(%/K)
55.0
70014
53341
86686
23.8
3.5
6.9
50.0
49906
38595
61216
22.7
3.4
6.6
45.0
36015
28248
43782
21.6
3.4
6.4
40.0
26296
20901
31690
20.5
3.3
6.2
35.0
19411
15625
23197
19.5
3.3
6.0
30.0
14479
11794
17163
18.5
3.2
5.8
25.0
10903
8983
12823
17.6
3.2
5.6
20.0
8292
6906
9679
16.7
3.1
5.4
15.0
6359
5350
7368
15.9
3.0
5.2
10.0
4920
4180
5661
15.0
3.0
5.1
5.0
3828
3282
4373
14.2
2.9
4.9
0.0
3003
2598
3408
13.5
2.8
4.8
5.0
2377
2074
2680
12.7
2.8
4.6
10.0
1896
1668
2124
12.0
2.7
4.5
15.0
1521
1348
1693
11.4
2.6
4.3
20.0
1228
1097
1359
10.7
2.5
4.2
25.0
1000.0
900.0
1100
10.0
2.4
4.1
30.0
817.8
730.5
905.0
10.7
2.7
4.0
35.0
673.4
597.5
749.3
11.3
2.9
3.9
40.0
557.5
491.4
623.5
11.8
3.2
3.8
45.0
463.6
406.0
521.1
12.4
3.4
3.7
50.0
387.4
337.2
437.6
13.0
3.6
3.6
55.0
323.7
280.0
367.3
13.5
3.9
3.5
60.0
272.0
233.9
310.1
14.0
4.2
3.4
65.0
230.4
197.0
263.8
14.5
4.4
3.3
70.0
196.0
166.7
225.4
15.0
4.7
3.2
75.0
167.4
141.5
193.2
15.4
5.0
3.1
80.0
143.4
120.6
166.2
15.9
5.2
3.0
85.0
123.5
103.3
143.6
16.3
5.5
3.0
90.0
106.7
88.80
124.6
16.8
5.8
2.9
95.0
92.73
76.80
108.7
17.2
6.1
2.8
100.0
80.90
66.67
95.14
17.6
6.4
2.8
105.0
70.62
57.91
83.32
18.0
6.7
2.7
110.0
61.83
50.46
73.19
18.4
7.0
2.6
115.0
54.28
44.10
64.46
18.8
7.3
2.6
120.0
47.79
38.66
56.93
19.1
7.6
2.5
125.0
42.25
34.02
50.48
19.5
7.9
2.4
Temperature measurement
B57045
Probe assemblies
K45
Page 4 of 16
Please read Important notes and
Cautions and warnings at the end of this document.
B57045K0222K000
R/T No.
1013
T (
C)
B
25/100
= 3900 K, R
25
= 2200
, T
R
= 25
C,
R
R
/R
R
=
10%
R
nom
[
]
R
min
[
]
R
max
[
]
R
R
/R
R
[
%]
T[
C]
(%/K)
55.0
170030
128470
211580
24.4
3.5
6.9
50.0
120860
92776
148950
23.2
3.5
6.7
45.0
86914
67715
106110
22.1
3.4
6.5
40.0
63188
49925
76452
21.0
3.3
6.3
35.0
46417
37163
55671
19.9
3.3
6.1
30.0
34434
27917
40951
18.9
3.2
5.9
25.0
25772
21144
30400
18.0
3.1
5.7
20.0
19479
16163
22795
17.0
3.1
5.5
15.0
14835
12442
17228
16.1
3.0
5.4
10.0
11399
9659
13140
15.3
2.9
5.2
5.0
8822
7548
10096
14.4
2.9
5.0
0.0
6882
5943
7821
13.6
2.8
4.9
5.0
5405
4709
6101
12.9
2.7
4.8
10.0
4276
3758
4795
12.1
2.6
4.6
15.0
3404
3016
3793
11.4
2.5
4.5
20.0
2729
2436
3021
10.7
2.5
4.4
25.0
2200
1980
2420
10.0
2.4
4.3
30.0
1784
1593
1975
10.7
2.6
4.1
35.0
1455
1290
1620
11.3
2.8
4.0
40.0
1194
1051
1336
11.9
3.0
3.9
45.0
984.0
860.8
1107
12.5
3.3
3.8
50.0
815.5
708.8
922.2
13.1
3.5
3.7
55.0
679.0
586.4
771.6
13.6
3.8
3.6
60.0
568.2
487.6
648.7
14.2
4.0
3.5
65.0
477.6
407.4
547.7
14.7
4.3
3.4
70.0
403.1
341.9
464.4
15.2
4.5
3.3
75.0
341.8
288.2
395.4
15.7
4.8
3.3
80.0
290.9
243.9
337.9
16.2
5.1
3.2
85.0
248.6
207.3
290.0
16.6
5.4
3.1
90.0
213.3
176.9
249.7
17.1
5.6
3.0
95.0
183.7
151.5
215.8
17.5
5.9
3.0
100.0
158.7
130.2
187.2
17.9
6.2
2.9
105.0
137.6
112.4
162.9
18.4
6.5
2.8
110.0
119.7
97.28
142.2
18.8
6.8
2.8
115.0
104.5
84.50
124.5
19.1
7.1
2.7
120.0
91.51
73.63
109.4
19.5
7.4
2.6
125.0
80.37
64.37
96.37
19.9
7.7
2.6
Temperature measurement
B57045
Probe assemblies
K45
Page 5 of 16
Please read Important notes and
Cautions and warnings at the end of this document.