B 25 355
Smoothing, Supporting, Discharge
Technical data
Standards
IEC 1071-1/2
EN 61071-1/2
VDE 0560 part 120 and 121
–4
Dielectric dissipation factor
tan δ
50 · 10
0
Max. repetitive rate
of voltage rise
î
----
C
(du/dt)
(du/dt)
max
s
IS
----
C
Max. non-repetitive rate
of voltage rise
Climatic data:
Min. operating temperature
Max. operating temperature
Average relative humidity
Θ
Θ
– 40 °C
+ 70 °C
min
max
≤ 95 % (screw terminals, tab connectors)
≤ 75 % (screw-clamping terminals)
9
Failure quota
α
α
300 failures per 10 component hours
FQ(co)
FQ(sto)
LD(co)
LD(sto)
9
3000 failures per 10 component hours
Load duration
t
t
100 000 h
10 000 h
Storage temperature limit
Θ
– 55/+ 85 °C (screw terminals, tab connectors)
– 55/+ 70 °C (screw-clamping terminals)
stg
IEC climatic category
(IEC 68-1 and 2)
40/070/56
Test A, cold
– 40 °C
Test B, dry heat
+ 70 °C
Test Ca, damp heat, steady state
56 days/40 °C/93 % rel. humidity
Values after test Ca:
Capacitance change
∆C/C
≤ 1 %
C
Screw terminals, Screw-clamping
N
tab connectors
terminals
Insulation resistance
R
≤ 1 µF
≥ 5000 MΩ
–
is
Self-discharge time constant τ =
Dissipation factor change
R · C
is
> 1 µF ≥ 5000 s
≥ 1000 s
–4
∆tan δ
≤ 10 · 10
68
Siemens Matsushita Components
EPCOS [ EPCOS ]
