Datasheet

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: 21 days
< 3% No visible
damage
Rapid temperature
cycling
IEC
60068-2-14
Lower test temperature: 55 °C
Upper test temperature: 125 °C
Number of cycles: 10
< 3% No visible
damage
Endurance P
max
: 450 mW
t: 1000 h
< 3% No visible
damage
Long-term stability
(empirical value)
Temperature: 70 °C
t: 10000 h
< 5% 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.
Temperature measurement and compensation B57164K
Leaded NTC thermistors, lead spacing 5 mm K164
Page 4 of 30Please read Cautions and warnings and
Important notes at the end of this document.