B 25 355
Smoothing, Supporting, Discharge
Technical data
Test data:
DC test voltage between terminals
U
U
1,5 · U
, 10 s
N(co)
TT
TC
AC test voltage between terminals
and case
2 · U + 1000 V, 50 Hz, 10 s
i
C
Screw terminals, Screw-clamping
N
tab connectors
terminals
Insulation resistance
R
R
≤ 1 µF
≥ 5000 MΩ
–
is
Self-discharge time constant τ =
Dissipation factor
· C
> 1 µF ≥ 5000 s
≥ 3000 s
is
–4
tan δ
≤ 10 µF: ≤ 100 · 10
> 10 µF: < 70 · 10
,
,
measuring frequency 1 kHz
measuring frequency 120 Hz
–4
Siemens Matsushita Components
69