B57227K0333A001 Datasheet, PDF (3/9 Pages) EPCOS – Electric motors

Temperature measurement
Probe assemblies
B57227K
K227
Reliability data
Test
Storage in
dry heat
Storage in damp
heat, steady state
Rapid temperature
cycling
Endurance
Long-term stability
(empirical value)
Standard Test conditions
IEC
60068-2-2
IEC
60068-2-78
IEC
60068-2-14
Storage at upper
category temperature
T: 155 °C
t: 1000 h
Temperature of air: 40 °C
Relative humidity of air: 93%
Duration: 56 days
Lower test temperature: 55 °C
Upper test temperature: 155 °C
Number of cycles: 10
P_max: 200 mW
t: 1000 h
Temperature: 100 °C
t: 10000 h
∆R₂₅/R₂₅
(typical)
< 2%
< 1%
< 1%
< 2%
< 3%
Remarks
No visible
damage
No visible
damage
No visible
damage
No visible
damage
No visible
damage
Note
Contact of NTC thermistors with any liquids and solvents shall be prevented. It must be
ensured that no water enters the NTC thermistors (e.g. through plug terminals).
Avoid dewing and condensation unless thermistor is specified for these conditions.
Please read Cautions and warnings and
Important notes at the end of this document.
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