F339X1 330VAC
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Vishay BCcomponents
Revision: 30-Jun-15
11
Document Number: 28185
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SUB-GROUP C3
4.13.1 Initial measurements Capacitance
Tangent of loss angle at 10 kHz for C 1 µF
Tangent of loss angle at 1 kHz for C > 1 µF
4.13 Impulse voltage 3 successive impulses, full wave, peak
voltage:
X1: 4.0 kV for C 1 µF
X1: 4.0 kV/C for C > 1 µF
Max. 24 pulses
No self healing breakdowns or flash-over
4.14 Endurance Duration: 1000 h
1.25 x U
RAC
at 110 °C
Once in every hour the voltage is increased
to 1000 V
RMS
for 0.1 s via resistor of
47 ± 5 %
4.14.7 Final measurements Visual examination No visible damage
Legible marking
Capacitance |C/C| 10 % compared to values measured
in 4.13.1.
Tangent of loss angle Increase of tan 0.008 for 1 µF
Increase of tan 0.005 for C > 1 µF
Compared to values measured in 4.13.1
Voltage proof
1900 V
DC
; 1 min between terminations
2160 V
AC
; 1 min between terminations and
case
No permanent breakdown or flash-over
Insulation resistance 50 % of values specified in section
“Insulation Resistance” of this specification
SUB-GROUP C4
4.15 Charge and discharge 10 000 cycles
charged to 465 V
DC
Discharge resistance:
R
min.
= 2.2 for pitch 37.5 mm and 52.5 mm
4.15.1 Initial measurements Capacitance
Tangent of loss angle at 10 kHz for C 1 µF
Tangent of loss angle at 1 kHz for C > 1 µF
4.15.3 Final measurements Capacitance |C/C| 10 % compared to values measured
in 4.15.1.
Tangent of loss angle Increase of tan 0.008 for 1 µF
Increase of tan 0.005 for C > 1 µF
Compared to values measured in 4.15.1
Insulation resistance 50 % of values specified in section
“Insulation Resistance” of this specification
GROUP C INSPECTION REQUIREMENTS
SUB-CLAUSE NUMBER AND TEST CONDITIONS PERFORMANCE REQUIREMENTS
R
465 V
DC
1.5 x C (dU/dt)
----------------------------------------
=
