Datasheet

6© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard F3116_C4AF • 7/29/2020
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
Power and AC Film Capacitors – Printed Circuit Board Mount Power Film Capacitors
C4AF, Radial, 2 or 4 Leads, 250 - 500 VAC, for Harsh Environment AC Filtering (Automotive Grade)
Life Expectancy/Failure Quota* Graphs
1
10
100
1,000
10,000
100,000
1,000,000
1
10
100
1,000
10,000
100,000
0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4
FIT (10
-9
/h)
Lifetime Expectancy (h)
Voltage Ratio (V/V
AC MAX
)
Lifetime Curve & FIT at Hot Spot Temperature
70°C
85°C
95°C
105°C
105°C FIT
95°C FIT
85°C FIT
70°C FIT
* Evaluated considering an environmental conditions as dry condition.
0
10
20
30
40
50
60
70
80
90
100
110
0 10 20 30 40 50 60 70 80 90 100
Temperature (°C)
Relative Humidity (%)
Environmental Condition Reference
HARSH ENVIRONMENT
CONDITION AREA
HARSH ENVIRONMENT
CONDITION AREA
DRY CONDITION
AREA
TEST CONDITIONS
Environmental Condition Reference
The dry condition area is dened as the range of temperature and relative humidity to validate the life time and V
rms
/I
rms
graphs.
The separation line between harsh environment conditions and test conditions area is calculated for a life time of one year at operating voltage.