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B57220K0212A003 Datasheet(PDF) 3 Page - TDK Electronics

Part No. B57220K0212A003
Description  Leadless NTCs
Download  17 Pages
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Maker  TDK [TDK Electronics]
Homepage  http://www.tdk.com
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B57220K0212A003 Datasheet(HTML) 3 Page - TDK Electronics

 
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Reliability data
Test
Standard
Test conditions
∆R
25/R25
(typical)
Remarks
Storage in
dry heat
IEC
60068-2-2
Storage at upper
category temperature
T: 250
°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: 155
°C
Number of cycles: 100
< 3%
No visible
damage
Endurance
Pmax: 180 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
B57220K
Leadless NTCs
K220
Page 3 of 17
Please read Cautions and warnings and
Important notes at the end of this document.


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