MKV AC Capacitors B25832
MKV AC capacitors
General AC applications
Ordering code: B25832
Date: September 2005
© EPCOS AG 2005. Reproduction, publication and dissemination of this data sheet, enclosures hereto and the
information contained therein without EPCOS' prior express consent is prohibited.
Please read Cautions and warnings and 2 09/05
Important notes at the end of this document.
MKV AC Capacitors
General AC Applications
B25832
Features
■ Compact design
■ Long-term stability and reliability
Applications
■ For commutation in the low-frequency range
Construction
■ Self-healing
■ Plastic dielectric
■ Oil-impregnated tubular windings (no PCB)
■ Metal-sprayed end faces ensure reliable contacting
■ Cylindrical aluminum case
■ Ceramic or plastic lead-throughs
■ Mounting bolts M8 or M12
Terminals
■ Tab connectors 6.3 mm
■ Dual tab connectors 6.3 mm
Mounting
■ If the vibration stress is ≤ 5 g and the capacitors
are ≤ 60 mm in diameter, the bolt is used for mounting.
Grounding
■ Mounting bolts for grounding in accordance with VDE 0100
■ Grounding identification in accordance with DIN 40 011
Individual data sheets
Individual data sheets contain detailed specification incl. thermal data.
Upon request, these data sheets are available for each capacitor type.
Please read Cautions and warnings and 3 09/05
Important notes at the end of this document.
MKV AC Capacitors
General AC Applications
B25832
Technical data
Standards IEC 1071-1/2
EN 61071-1/2
VDE 0560 part 120 and 121
Dielectric dissipation factor tan δ
0
2 · 10
–4
Capacitance tolerance ± 10 %
Max. repetitive rate
of voltage rise (dv/dt)
max
Max. non-repetitive rate
of voltage rise (dv/dt)
s
Climatic data:
Min. operating temperature T
min
– 25 °C
Max. operating temperature T
max
+ 85 °C
Average relative humidity ≤ 75 %
Failure quota α
FQ(co)
1000 failures per 10
9
component hours
Load duration t
LD(co)
up to 30 000 h
Storage temperature limit T
stg
– 55/+ 85 °C
IEC climatic category
(IEC 68-1 and 2)
25/085/56
Test data:
AC test voltage
between terminals V
TT
1.25 x V
R
, 50 Hz, 10 s (or DC 1.75 x V
R
, 10 s)
between terminals and case V
TC
2 · V
i
+ 1000 V, 50 Hz, 10 s
Insulating voltage V
i
= max. recurrent peak
voltage /
Insulation resistance R
ins
≤ 1 μF: ≥ 3000 MΩ
Self-discharge time constant τ =R
ins
x C > 1 μF: ≥ 3000 s
Dissipation factor tan δ≤ 3
.
10
–4
î
C
----
I
S
C
----
v
ˆ
2
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