B57820 EPCOS AG, B57820 Datasheet - Page 3

• Manufacturer Part Number: B57820
• Description: Ntc Thermistors For Temperature Measurement
• Manufacturer: EPCOS AG

Reliability data
Test
Storage in
dry heat
Storage in damp
heat, steady state
Rapid temperature
cycling
Endurance
Long-term stability
(empirical value)
Please read Cautions and warnings and
Important notes at the end of this document.
Temperature measurement and compensation
Leadless NTCs
Standard
IEC
60068-2-2
IEC
60068-2-78
IEC
60068-2-14
Test conditions
Storage at upper
category temperature
T: 155 C
t: 1000 h
Temperature of air: 40 C
Relative humidity of air: 93%
Duration: 21 days
Lower test temperature:
Upper test temperature: 155 C
Number of cycles: 100
P
t: 1000 h
Temperature: 125 C
t: 10000 h
max
: 180 mW
Page 3 of 13
55 C
(typical)
< 3%
< 3%
< 3%
< 3%
< 5%
R
25
/R
25
Remarks
No visible
damage
No visible
damage
No visible
damage
No visible
damage
No visible
damage
B57820M
M820