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B57891 Datasheet, PDF (3/25 Pages) EPCOS – Leaded NTCs, lead spacing 2.5 mm
Temperature measurement
Leaded NTCs, lead spacing 2.5 mm
B57891
S891
Reliability data
Test
Standard Test conditions
Storage in
dry heat
Storage in damp
heat, steady state
Rapid temperature
cycling
Endurance
Long-term stability
(empirical value)
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: 100
Pmax: 200 mW
t: 1000 h
Temperature: 70 °C
t: 10000 h
∆R25/R25
(typical)
< 3%
< 1%
< 2%
< 3%
< 3%
Remarks
No visible
damage
No visible
damage
No visible
damage
No visible
damage
No visible
damage
Please read Important notes and
Cautions and warnings at the end of this document.
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