MKV AC Capacitors
Damping, Commutating
Technical data
Standards
IEC 1071-1/2
EN 61071-1/2
VDE 0560 part 120 and 121
B25834
----
I S
Dielectric dissipation factor
Capacitance tolerance
Max. repetitive rate
of voltage rise
Max. non-repetitive rate
of voltage rise
Climatic data:
Min. operating temperature
Max. operating temperature
Average relative humidity
Failure quota
Load duration
Storage temperature limit
IEC climatic category
(IEC 68-1 and 2)
Test A, cold
Test B, dry heat
Test Ca, damp heat, steady state
Values after test Ca:
Capacitance change
tan δ 0
(du/dt) max
(du/dt) s
T min
T max
α FQ(co)
t LD(co)
T stg
Δ C /C
2 x 10 –4
For C N < 1.0 μ F ± 20 %, for C N ≥ 1.0 μ F ± 10 %
?
C
----
C
– 25 ° C
+ 85 ° C
≤ 95 % (screw terminals/dual tab 9.5 mm)
≤ 75 % (dual tab 6.3 mm/tab 6.3 mm)
300 failures per 10 9 component hours
100 000 h
– 55/+ 85 ° C
25/085/56
– 25 ° C
+ 85 ° C
56 days/40 ° C/93 % rel. humidity
≤ 1%
C R
Screw terminals, Dual tab
dual tab 9.5 mm 6.3 mm
Tab
6.3 mm
Insulation resistance
Self-discharge time constant
R ins ≤ 1 μ F ≥ 10 000 M Ω
τ = R ins x C > 1 μ F ≥ 10 000 s
≥ 3000 M Ω ≥ 1000 M Ω
≥ 3000 s ≥ 1000 s
Dissipation factor change
Δ tan δ
≤ 1 x 10 –4
≤ 3 x 10 –4 ≤ 3 x 10 –4
Test data:
AC test voltage
between terminals
between terminals and case
V TT
V TC
1.25 x V N , 50 Hz, 10 s (or DC 1.75 x V N , 10 s)
2 x V i + 1000 V, 50 Hz, 10 s
Insulating voltage V i = max. recurrent peak
voltage v ? / 2
C R
Screw terminals,
dual tab 9.5 mm
Dual tab 6.3 mm,
tab 6.3 mm
Insulation resistance
Self-discharge time constant
R ins ≤ 1 μ F ≥ 10 000 M Ω
τ = R ins x C > 1 μ F ≥ 10 000 s
≥ 3000 M Ω
≥ 3000 s
Dissipation factor (50 Hz)
Please read Cautions and warnings and
Important notes at the end of this document.
tan δ
3
≤ 3 x 10 –4
09/05
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