Datasheet
715C..KT...
www.vishay.com
Vishay Cera-Mite
Revision: 13-Aug-2018
6
Document Number: 22210
For technical questions, contact: powcap@vishay.com
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TEST METHODS
NO. ITEM SPECIFICATION SAMPLE SIZE TEST METHOD
100 % TEST LOT BY LOT
1 Appearance No remarkable damage 100 % Visual check
2 Capacitance Within the specified tolerance 100 %
Measured at 22 °C ± 2 °C with max. 5 V
RMS
at
1.0 kHz ± 0.1 kHz
3 Dissipation factor 0.2 % max. 100 %
Measured at 22 °C ± 2 °C with max. 5 V
RMS
at
1.0 kHz ± 0.1 kHz
4 Insulation resistance 200 G min. 100 %
Measured with DC 180 V within 60 s of
charging
5
Dielectric strength
between terminals
No failure 100 %
Tested with 150 % of rated DC-voltage for min.
3 s in insulating fluid or oil
(charge / discharge current < 50 mA)
SAMPLE TEST LOT BY LOT
6 Partial discharge 5 pC max. 10 pieces Measured with 50 % of rated AC voltage
7
Temperature
characteristics
C = -4700 ppm/K ± 1000 ppm/K
(temp. range: +20 °C to +85 °C)
2 pieces
Measured at 20 °C / 50 °C / 85 °C / 20 °C
Capacitance change at 85 °C shall not exceed
the specified limit
8 Strength of terminals
#8-32 and M4: > 1.5 Nm;
M5: > 2 Nm
10 pieces Tested with a torque meter
9 Life test No failure 3 pieces
Tested with 125 % of rated DC voltage
for 100 h +24 h / -0 h at 85 °C ± 2 °C in oil
TYPE TEST / ON DEMAND TEST
10
Dielectric strength
between terminals
No failure 100 %
Tested with 150 % of rated AC voltage for
min. 30 s in insulating fluid or oil
11
Lightning pulse
1.2/50 μs
No failure 100 %
Tested with 150 % of rated DC voltage
5 x positive plus 1 x negative
12 Temperature cycle
No failure
(no. 1 to 6 within spec. after test)
5 pieces per lot
10 cycles -30 °C / +85 °C
Dwell 60 min., rise / fall 60 min.
13 Humidity
No failure
(no. 1 to 5 within spec. after test)
5 pieces per lot
Tested with 0 applied voltage
for 500 h +24 h / -0 h
at 93 % ± 2 % RH and 40 °C ± 2 °C
DESTRUCTIVE TEST / RELEASE TEST
14 AC breakdown
No failure < 200 % of rated
AC voltage
10 pieces per lot
Raise AC voltage with 500 V/s ± 100 V/s
until breakdown.
Tested in insulating fluid or oil
15 DC breakdown
No failure < 200 % of rated
DC voltage
10 pieces per lot
Raise DC voltage with 500 V/s ± 100 V/s
until breakdown.
Tested in insulating fluid or oil
16
Lightning pulse
1.2/50 μs
No failure < 200 % of rated
DC voltage
10 pieces per lot
Start at 150 % of rated DC voltage
1 x positive plus 1 x negative
Raise voltage by 5 kV per step
17 Life test No failure 5 pieces per lot
Tested with 125 % of rated DC voltage
for 250 h +24 h / -0 h at 85 °C ± 2 °C in oil
RELATED DOCUMENTS
General Information www.vishay.com/doc?23140