EPCOS B57045K0473K000 Temperature compensation (chassis mounting) Datasheet

Temperature Measurement
B57045
Probe Assemblies
K 45
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
Ris > 100 MΩ (V = 100 V dc); V is = 2500 V (test duration: 1 s)
■ Tinned copper leads
Options
Closer resistance tolerance available on request
Dimensions in mm
Approx. weight 1 g
Delivery mode
Bulk
Climatic category (IEC 60068-1)
Max. power at 25 °C
Resistance tolerance
Rated temperature
B value tolerance
Dissipation factor (in air)
Dissipation factor (on chassis)
Thermal cooling time constant (in air)
Thermal cooling time constant (on chassis)
Torque
P25
∆R N/R N
TN
∆B/B
δth
δth
τc
τc
55/125/56
450
± 10 %
25
±3%
approx. 9
approx. 20
approx. 75
approx. 15
approx. 0,5
Ordering code
No. of R/T
characteristic
B 25/100
1k
1011
3730
B57045K0102K000
2,2 k
1013
3900
B57045K0222K000
4,7 k
4001
3950
B57045K0472K000
6,8 k
2903
4200
B57045K0682K000
10,0 k
2904
4300
B57045K0103K000
33
k
1012
4300
B57045K0333K000
47
k
4003
4450
B57045K0473K000
68
k
2005
4600
B57045K0683K000
100
k
2005
4600
B57045K0104K000
150
k
2005
4600
B57045K0154K000
R 25
Ω
K
122 05/02
mW
°C
mW/K
mW/K
s
s
Nm
Temperature Measurement
B57045
Probe Assemblies
K 45
Reliability data
Test
Standard
Test conditions
∆R 25/R25
(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
60068-2-3
Temperature of air: 40 °C
Relative humidity of air: 93 %
Duration: 56 days
<3%
No visible
damage
Rapid temperature
cycling
IEC
60068-2-14
Lower test temperature: – 55 °C < 3 %
Upper test temperature: 125 °C
Number of cycles: 10
No visible
damage
Endurance
Pmax: 450 mW
t: 1000 h
<3%
No visible
damage
Long-term stability
(empirical value)
T: 125 °C
t: 10 000 h
<5%
No visible
damage
123 05/02
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Unternehmenskommunikation, Postfach 80 17 09, 81617 München, DEUTSCHLAND
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Published by EPCOS AG
Corporate Communications, P.O. Box 80 17 09, 81617 Munich, GERMANY
++49 89 636 09, FAX (0 89) 636-2 26 89
(
 EPCOS AG 2002. Reproduction, publication and dissemination of this brochure and the information contained therein without
EPCOS’ prior express consent is prohibited.
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This brochure replaces the previous edition.
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