B57237 EPCOS, B57237 Datasheet - Page 2

• Manufacturer Part Number: B57237
• Description: Switch-mode power supplies
• Manufacturer: EPCOS

Reliability data
Test
Storage in
dry heat
Storage in damp
heat, steady state
Rapid temperature
cycling
Endurance
Cyclic
endurance
Transient
load
Inrush Current Limiters
Standard
IEC
60068-2-2
IEC
60068-2-3
IEC
60068-2-14
Test conditions
Storage at upper
category temperature
T: 170 C
t: 1000 h
Temperature of air: 40 C
Relative humidity of air: 93 %
Duration: 21 days
Lower test temperature: – 55 C
Upper test temperature: 170 C
Number of cycles: 10
I = I
t: 1000 h
I = I
On-time = 1 min
Cooling time = 6 min
Capacitance = C
Number of cycles: 1000
max
max
, 1000 cycles
137
05/02
T
(typical)
< 10 %
< 5 %
< 10 %
< 10 %
< 10 %
< 5 %
R
25
/R
25
Remarks
No visible
damage
No visible
damage
No visible
damage
No visible
damage
No visible
damage
No visible
damage
B57237
S 237