© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com F3049_C44U_RADIAL • 3/3/2017 3
Aluminum Can Power Film Capacitors
C44U Series, 600 – 1,300 VDC, for DC Link
General Technical Data
Dielectric Polypropylene Metallized Film – non inductive self-healing
Application DC Filtering/DC Link
Climatic Category 40/85/21 IEC 60068–1
Maximum Operating Temperature +90°C
Upper Temperature T
MAX
Group A +85°C IEC 61071 – Endurance Test Temperature
Upper Temperature T
MAX
Group B +70°C IEC 61071 – Endurance Test Temperature
Lower Temperature T
min
−40°C
Standard IEC 61071
Protection
Aluminium case with or without, threaded bolt M12
Plastic deck ame retardant execution UL 94 V–0
Thermosetting resin sealing UL 94 V–0 compliant
Installation Any position
Leads High current M6 or M8 terminals
Packaging Packed in cardboard boxes with protection for the terminals
RoHS Compliant
Compliant with the restricted substance requirements of
Directive 2002/95/EC
Electrical Characteristics
Capacitance Tolerance ±10% at +25°C
Dissipation Factor (DF) ≤ 0.0002 at 10 kHz with T = 25°C ±5°C
Surge Voltage 1.5 x V
for maximum 10 times in lifetime at +25°C
Over-Voltage (IEC 61071)
1.15 x V
NDC
for maximum 30 minimum, once per day
1.3 x V
NDC
for maximum 1 minimum, once per day
Peak Non-Repetitive Current 1.5 x I
pkr
maximum 1,000 times in lifetime
Insulation Resistance IR x C ≥ 30,000 seconds at 100 VDC 1 minute at +25°C
Capacitance Deviation in
Operation
±1.5% maximum on capacitance value measured at +25°C
Permissible Relative Humidity
Annual average ≤ 70%; 85% on 30 days/year randomly
distributed throughout the year. Dewing not admissible.
Life Expectancy
Life Expectancy – Group A 100,000 hours at V
NDC
at Hot-Spot temperature T
HS
= 85°C
Life Expectancy – Group B 100,000 hours at V
NDC
at Hot-Spot temperature T
HS
= 70°C
Capacitance drop at end of life −10% (typical)
Failure Rate IEC 61709 50 FIT at V
NDC
at reference T
HS
(see FIT curves)
