Datasheet

Reference only
14 / 17
No. Item Specification Test method
18 Life Appearance No marked defect. Impulse voltage
Each individual capacitor should be subjected to a
8kV impulses for three times. Then the capacitors
are applied to life test.
The capacitors are placed in a circulating air oven
for a period of 1 000 h.
The air in the oven is maintained at a temperature
of 125+2/-0 C, and relative humidity of 50% max..
Throughout the test, the capacitors are subjected
to a AC425V(r.m.s.)<50/60Hz> alternating voltage
of mains frequency, except that once each hour
the voltage is increased to AC1 000V(r.m.s.) for 0.1 s.
Post-treatment : Capacitor should be stored for 1 to
2 h at *
1
room condition.
Capacitance
change
Within 20%
I.R.
3 000M min.
Dielectric
strength
Per item 3
19 Temperature and
immersion cycle
Appearance No marked defect. The capacitor should be subjected to 5 temperature
cycles, then consecutively to 2 immersion cycles.
<Temperature cycle>
Cycle time : 5 cycle
<Immersion cycle>
Cycle time : 2 cycle
Pre-treatment : Capacitor should be stored at
852C for 1 h, then placed at
*
1
room condition for 242 h.
Post-treatment : Capacitor should be stored for 4 to
24 h at *
1
room condition.
Capacitance
change
Char. B : Within 10%
Char. E : Within 20%
D.F. 5.0% max.
I.R.
3 000M min.
Dielectric
strength
Per item 3
*
1
"room condition" Temperature: 15 to 35C, Relative humidity: 45 to 75%, Atmospheric pressure: 86 to 106kPa
Step
Temperature(C)
Time
Immersion
water
1 +65+5/-0 15 min
Clean
water
2
03
15 min
Salt
water
Step
Temperature(C)
Time
1 -40+0/-3 30 min
2 Room temp. 3 min
3 +125+3/-0 30 min
4 Room temp. 3 min
Front time (T1) = 1.2μs=1.67T
Time to half-value (T2) = 50μs