B57220 Просмотр технического описания (PDF) - EPCOS AG
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B57220 Datasheet PDF : 3 Pages
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Temperature Measurement
Leadless Disks
B57220
K 220
Reliability data
Test
Storage in
dry heat
Storage in damp
heat, steady state
Rapid temperature
cycling
Endurance
Long-term stability
(empirical value)
Standard
IEC
60068-2-2
Test conditions
Storage at upper category tem-
perature
T: 250 °C
t: 1000 h
∆R25/R25 (typ.) Remarks
<3%
No visible
damage
IEC
60068-2-3
Temperature of air: 40 °C
Relative humidity of air: 93 %
Duration: 21 days
<3%
No visible
damage
IEC
Lower test temperature: – 55 °C < 3 %
60068-2-14 Upper test temperature: 155 °C
Number of cycles: 100
No visible
damage
Pmax: 180 mW
t: 1000 h
<3%
No visible
damage
Temperature: 125 °C
t: 10 000 h
<5%
No visible
damage
67 05/02
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