Aluminum Can Power Film Capacitors
C44U-M, 600 – 1,800 VDC, for DC Link
Overview
Applications
The C44U-M series is a polypropylene metallized film
capacitor with a cylindrical, aluminium can-type design filled
with resin. It uses screw terminals and a plastic deck.
Typical applications include DC filtering and energy storage.
Benefits
• Controlled self-healing
• Low loss
• High ripple current
• High capacitance density
• Long lifetime
Part Number System
C4
4
U
Series
C4 = MKP
4=
U=
Capacitors Cylindrical DC
for Power
types
Link
Applications
Q
G
DC Voltage
Case and
Fixing
H = 600 V
O = 900 V
Q = 1,100 V
U = 1,300 V
S = 1,500 V
V = 1,800 V
G = Cylindrical
case with
threaded bolt
M12
E = Cylindrical
case without
threaded bolt
T
6
2
4
0
M
8
1
K
Variants
Case
Diameter
Case
Height
Tolerance
Digits nine, ten, and eleven M = Standard 8 = 85 mm
5 = 116 mm
indicate the first three digits N . . . Z =
3 = 136 mm
of capacitance value. Digit Special
8 indicates the number of
zeros to be added.
1...Z
Terminals Code Capacitance Code (pF)
T = M6 female
terminals
Q = M8 male
terminals
Y = M8 female
terminals (#)
J = ±5%
K = ±10%
# For configuration female terminals M8 the height H1 has to be increased of 2 mm.
It is not possible to manufacture every part number that can be created from the coding description. Please refer to the table of standard part numbers
above and contact KEMET for other possibilities.
Built Into Tomorrow
© KEMET Electronics Corporation • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
F3119_C44U_M • 9/21/2023
1
Aluminum Can Power Film Capacitors
C44U-M, 600 – 1,800 VDC, for DC Link
Dimensions – Millimeters
Style 1: D = 85 mm
12
26
M6x10
D1 +0.5/-0
D +2/-0
S±0.3
M12x16
H ±2
H1 ±2
Style 2: D = 116 mm and 136 mm
15
26
M6x10
D1 +0.5/-0
S±0.3
13
D +2/-0
18.3
M12x16
H ±2
H1 ±2
D
D1
H
H1
S
+2/−0
+0.5/−0
±2
±2
85
85
85
85
85
85
85
116
116
116
116
136
136
136
136
88
88
88
88
88
88
88
119
119
119
119
139
139
139
139
99.5
114.5
124.5
134.5
144.5
178.5
268.5
133
153
233
273
131
232
282
347
101
116
126
136
146
180
270
136
156
236
276
134
235
285
350
±0.3
Threaded Insert
Terminations
Threaded Post
Terminations
Mounting Stud
32
32
32
32
32
32
32
50
50
50
50
50
50
50
50
M6 x 10
M6 x 10
M6 x 10
M6 x 10
M6 x 10
M6 x 10
M6 x 10
M6 x 10
M6 x 10
M6 x 10
M6 x 10
M6 x 10
M6 x 10
M6 x 10
M6 x 10
M8 x 20
M8 x 20
M8 x 20
M8 x 20
M8 x 20
M8 x 20
M8 x 20
M8 x 20
M8 x 20
M8 x 20
M8 x 20
M8 x 20
M8 x 20
M8 x 20
M8 x 20
M12 x 16
M12 x 16
M12 x 16
M12 x 16
M12 x 16
M12 x 16
M12 x 16
M12 x 16
M12 x 16
M12 x 16
M12 x 16
M12 x 16
M12 x 16
M12 x 16
M12 x 16
Maximum Driving Torque [Nm]
Terminals
Bolt M12
Female
M6
4
Male
M8
7
12
© KEMET Electronics Corporation • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
F3119_C44U_M • 9/21/2023
2
Aluminum Can Power Film Capacitors
C44U-M, 600 – 1,800 VDC, for DC Link
Qualifications
Reference Standards
Climatic Category
IEC 61071 - EN61071 - VDE0560 –
UL810 Construction only
40/85/21 according to IEC 60068-1
General Technical Data
Dielectric
Application
Special features
Climatic Category
Endurance test
Polypropylene Metallized Film, non-inductive type,
self-healing property
DC Filtering/DC Link
UL 810 Construction Only qualified - E208772
40/85/21 IEC 60068–1
500 hours + 500 hours at 1.3 x VNDC and 70°C
Maximum THS, Ø ≤ 116 mm
85°C
Maximum THS, Ø = 136 mm
75°C
Standard
IEC 61071 - EN61071 - VDE0560 – UL810 Construction only
Aluminium case with or without, threaded bolt M12
Protection
Installation
Leads
Packaging
RoHS Compliant
Plastic deck flame retardant execution UL 94 V–0
Plastic cap flame retardant execution UL 94 V–0
Thermosetting resin sealing
Any position
High current M6 or M8 terminals
Packed in cardboard boxes with protection for the terminals
Compliant with Directive 2002/95/EC and Directive 2011/65/
EU of the European Parliament and of the Council on 8 June
2011, including Commission Delegated Directive (EU) 2015/863
amending Annex II to Directive 2011/65/EU.
Electrical Characteristics
Capacitance Tolerance
±10% at +25°C ±5°C
Dissipation Factor (DF)
≤ 0.0002 at 10 kHz with T = 25°C ±5°C
Surge Voltage
Over-Voltage (IEC 61071)
Peak Non-Repetitive Current
Insulation Resistance
Capacitance Deviation in
Operation
Storage Temperature
Permissible Relative Humidity Storage
1.5 x VNDC for maximum 10 times in lifetime at +25°C ±5°C
1.15 x VNDC for maximum 30 minutes, once per day
1.3 x VNDC for maximum 1 minutes, once per day
1.5 x Ipkr maximum 1,000 times in lifetime
IR x C ≥ 30,000 seconds at 100 VDC 1 minute at +25°C ±5°C
±1.5% maximum on capacitance value measured at +25°C
Diameter 85 and 116 mm: −40 to +85°C
Diameter = 136 mm: −40 to 75°C
Annual average ≤ 70%; 85% on 30 days/year randomly
distributed throughout the year. Dewing not admissible.
© KEMET Electronics Corporation • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
F3119_C44U_M • 9/21/2023
3
Aluminum Can Power Film Capacitors
C44U-M, 600 – 1,800 VDC, for DC Link
Life Expectancy
Life expectancy
≥ 200.000 hours (1)
Capacitance drop at end of life
−10% (typical)
Failure rate IEC 61709
50 FIT at VNDC at Hot-Spot temperature THS = 70°C (see FIT curves)
Test Method
Test voltage between terminals
1.5 x VNDC for 10 seconds or 1.65 x VNDC for 2 seconds at 25°C
Test voltage between terminals and case
4.0 kVAC 50 Hz for 2 seconds
Damp Heat
IEC 60068-2-78
Change of temperature
IEC 60068-2-14
Vibration strength
IEC 60068-2-6
(1): ≥ 100,000 hours at VNDC at Hot-Spot temperature THS = 70°C
Lifetime Expectancy/Failure Quota Graphs
Lifetime Curve & FIT at Hot Spot Temperature
1,000,000
100,000
100,000
10,000
10,000
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