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B57045K Datasheet(PDF) 2 Page - EPCOS

Part # B57045K
Description  NTC thermistors for temperature measurement
PDF  11 Pages
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Manufacturer  EPCOS [EPCOS]
Direct Link  http://www.epcos.com
Logo EPCOS - EPCOS

B57045K Datasheet(HTML) 2 Page - EPCOS

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Applications
Temperature compensation, measurement
and 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)
P25
450
mW
Resistance tolerance
∆R
R/RR
±10
%
Rated temperature
TR
25
°C
Dissipation factor
(in air)
δ
th
approx. 9
mW/K
Dissipation factor
(on chassis)
δ
th
approx. 20
mW/K
Thermal cooling time constant
(in air)
τ
c
approx. 75
s
Thermal cooling time constant
(on chassis)
τ
c
approx. 15
s
Torque
approx. 0.5
Nm
Insulation resistance
(V = 100 V DC)
Rins
> 100
M
Ω
Test voltage
(t = 1 s)
Vtest
2500
V AC
Temperature measurement
B57045K
Probe assemblies
K45
Page 2 of 11
Please read Cautions and warnings and
Important notes at the end of this document.



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