Brochure

© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com F3049_C44U_RADIAL • 8/8/2016 4
Aluminum Can Power Film Capacitors
C44U Series, 600 – 1,300 VDC, for DC Link
FIT Group A – Heavy Duty
Test Method
Test voltage between terminals 1.5 x V
NDC
for 10 seconds or 1.65 V
NDC
for 2 seconds at 25°C
Test voltage between terminals
and case
3.2 kVAC 50 Hz for 2 seconds
Damp Heat IEC 60068–2–78
Change of temperature IEC 60068–2–14
Lifetime Expectancy/Failure Quota Graphs
FIT Group B – Standard DutyLifetime Curve Group B – Standard Duty
Lifetime Curve Group A – Heavy Duty
Notes:
T
HS
= T
AMB
+ ΔT
ΔT = ESR * I
rms
2
* Rth
I
rms
should be limited to values granting ΔT ≤ 45°C
1
10
100
1,000
0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4
FIT
U/U
NDC
FIT @ Hot Spot Temperatures
90
85
70
<55
Hot Spot
Temperature °C
1
10
100
1,000
10,000
0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4
FIT
U/U
NDC
FIT @ Hot Spot Temperatures
85
70
60
<50
Hot Spot
Temperature °C
0.80
0.90
1.00
1.10
1.20
1.30
1.40
1.50
10 100 1,000 10,000 100,000 1,000,000
<50
60
70
85
Lifetime curve C44U series
Hot Spot
Temperature °C
Lifetime Expectancy [h]
Voltage Ratio [U/U
NDC
]
0.80
0.90
1.00
1.10
1.20
1.30
1.40
1.50
10 100 1,000 10,000 100,000 1,000,000
<55
70
85
90
Lifetime curve C44U series
Hot Spot
Temperature °C
Lifetime Expectancy [h]
Voltage Ratio [U/U
NDC
]