ALS42/43 Series, +105°C

Screw Terminal Aluminum Electrolytic Capacitors
ALS42/43 Series, +105°C
Overview
Applications
KEMET's ALS42/43 Series of screw terminal capacitors features
the same high ripple currents and long-life characteristics as the
ALS32/33 Series but can operate at higher temperatures. They
are similarly suited for high reliability and long-life applications
such as frequency converters, uninterruptible power supply
(UPS) systems, and switch mode power supplies (SMPS) but the
extended temperature range allows increased ripple currents at
lower temperatures.
Typical applications for KEMET's ALS 42/43 Series of capacitors
include smoothing, energy storage or pulse operation in
telecommunication demanding power supplies, process control,
AC motor control, traction, and welding.
Benefits
•
•
•
•
•
Case sizes and terminals for the Asian market
Long life, up to 9,000 hours at +105°C
High ripple current
Excellent surge voltage capability
Optimized designs available upon request
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Part Number System
ALS4
2
A
102
K3C
350
Series
Stud Option
Termination
Capacitance Code (µF)
Size Code
Voltage (VDC)
Screw Terminal
Aluminum Electrolytic
2 = Plain Can
3 = Threaded mounting
stud
See Termination
Table
First 2 digits equals first 2
significant figures, 3rd digit is
the number of additional zeros.
See Dimension Table
350 = 350
400 = 400
415 = 415
450 = 450
One world. One KEMET
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com
A4037_ALS42_43 • 8/24/2015
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Screw Terminal Aluminum Electrolytic Capacitors – ALS42/43 Series, +105°C
Performance Characteristics
Item
Performance Characteristics
Capacitance Range
Rated Voltage
1,000 – 15,000 µF
350 – 450 VDC
Operating Temperature
-40 to +105°C
Storage Temperature Range
-55 to +105°C
Capacitance Tolerance
±20% at 120 Hz/+20°C
Operational Lifetime
End of Life Requirement
Shelf Life
Leakage Current
D (mm)
Rated Voltage and Ripple Current
at +105°C (hours)
Rated Voltage at +105°C (hours)
36
6,000
10,000
51
7,000
11,000
66
8,000
13,000
77,90
9,000
15,000
∆ C/C < ±10%, ESR < 2 x initial ESR value, IL < initial specified limit
2,000 hours at +85°C or 30,000 hours at +40°C 0 VDC
I = 0.003 CV or 6,000 (µA, whichever is smaller)
C = rated capacitance (µF), V = rated voltage (VDC). Voltage applied for 5 minutes at +20°C.
Procedure
Case Length < 220 mm
0.75 mm displacement amplitude
or 10 g maximum acceleration.
Vibration applied for three 2-hour
sessions at 10 – 55 Hz
(Capacitor clamped by body).
Case Length ≥ 220 mm
0.35 mm displacement amplitude
or 5 g maximum acceleration.
Vibration applied for three 0.5
hour sessions at 10 – 55 Hz
(Capacitor clamped by body).
Vibration Test Specifications
Standards
Requirements
No leakage of electrolyte or other
visible damage. Deviations in
capacitance and tanδ from initial
measurements must not exceed:
∆ C/C < 5%
IEC 60384–4 long life grade 40/105/56
Surge Voltage
Condition
Voltage (VDC)
350
400
415
450
≤ 30 s surge, 1,000 cycles at +85°C
400
450
456.5
500
≤ 500 ms surge, 100 cycles at +20°C
500
520
530
550
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com
A4037_ALS42_43 • 8/24/2015
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Screw Terminal Aluminum Electrolytic Capacitors – ALS42/43 Series, +105°C
Test Method & Performance
Endurance Life Test
Conditions
Performance
Temperature
+105°C
Test Duration
2,000 hours
Ripple Current
Maximum ripple current specified in table
Voltage
The sum of DC voltage and the peak AC voltage must not exceed the rated voltage of the capacitor
Performance
The following specifications will be satisfied when the capacitor is tested at +20°C:
Capacitance Change
Within 10% of the initial value
Equivalent Series Resistance
Does not exceed 200% of the initial value
Leakage Current
Does not exceed leakage current limit
Termination Table
Termination
Code
Termination
Style
Thread
T
DT
Thread Depth (TD)
Z
± 0.8
± 0.5
Minimum
Nominal
Standard Termination Option
A (D = 35)
M5
Oval
7.14
8
10
A (D ≥ 51)
M5
Oval
5.5
13
10
13
10
10
Other Termination Options
C (D ≥ 63.5)
M6
Round
5.5
Dimensions in mm
SIDE VIEW
LT
L
S
D
Optional Mounting
Stud (M x H)
T
(From Deck)
OVAL TERMINAL
END VIEW
ROUND TERMINAL
END VIEW
Safety Vent
Safety Vent
V
+
TD
Z
DT
Polarity
Mark
V
+
TD
DT
Polarity Mark
Case Polarity
Due to the presence of electrolyte in the capacitor, the aluminum can and stud mounting will essentially be at the same polarity as the
negative terminal. We recommend that the stud and can be insulated (see accessories for insulating nuts).
Terminations
Aluminum inserts with M5 threads as standard, maximum torque 2NM. Optional M6 threaded inserts have a maximum torque 4NM.
Maximum torque for stud mounting M8:4NM and M12:8NM.
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com
A4037_ALS42_43 • 8/24/2015
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Screw Terminal Aluminum Electrolytic Capacitors – ALS42/43 Series, +105°C
Dimensions – Millimeters
Reference
Size (mm)
51 x 80
51 x 93
51 x 115
51 x 131
63.5 x 93
63.5 x 115
63.5 x 131
63.5 x 150
63.5 x 194
77 x 115
77 x 131
77 x 150
77 x 194
90 x 150
90 x 194
90 x 220
Size
Code
Dimensions in mm
D
L
LT
S
T
V
Mounting
Stud (M x H)
±0.8
±1.6
±1
±0.5
±0.8
Nominal
±1
Mounting
Clip
K3C
50.8
79.4
86.0
22.2
5.5
13.7
M12 x 16
V4/UTE2737
K3L
50.8
92.1
98.0
22.2
5.5
13.7
M12 x 16
V4/UTE2737
KJA
50.8
114.3
119.0
22.2
5.5
13.7
M12 x 16
V4/UTE2737
K5C
50.8
130.2
136.0
22.2
5.5
13.7
M12 x 16
V4/UTE2737
L3L
63.5
92.1
97.0
28.5
5.5
15.8
M12 x 16
V8
LJA
63.5
114.3
119.0
28.5
5.5
15.8
M12 x 16
V8
L5C
63.5
130.2
135.0
28.5
5.5
15.8
M12 x 16
V8
L5R
63.5
149.2
154.0
28.5
5.5
15.8
M12 x 16
V8
L7L
63.5
193.7
198.0
28.5
5.5
15.8
M12 x 16
V8
NJA
76.2
114.3
119.0
31.8
5.5
19
M12 x 16
V11
N5C
76.2
130.2
135.0
31.8
5.5
19
M12 x 16
V11
N5R
76.2
149.2
154.0
31.8
5.5
19
M12 x 16
V11
N7L
76.2
193.7
198.0
31.8
5.5
19
M12 x 16
V11
Q5R
88.9
149.2
154.0
31.8
5.5
25
M12 x 16
V90
Q7L
88.9
193.7
198.0
31.8
5.5
25
M12 x 16
V90
Q8L
88.9
219.1
224.0
31.8
5.5
25
M12 x 16
V90
Note: Add 0.4 mm to D (1.1 mm when D = 88.9) and 1.1 mm to L for sleeving. LT listed is for A-type termination code.
Information for other termination codes is available upon request.
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com
Approximate
Weight
Grams
240
275
340
385
430
535
600
690
690
770
865
990
1280
1360
1870
2000
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Screw Terminal Aluminum Electrolytic Capacitors – ALS42/43 Series, +105°C
Shelf Life
The capacitance, ESR and impedance of a capacitor will not change significantly after extended storage periods, however the leakage
current will very slowly increase. KEMET products are particularly stable and allow a shelf life in excess of three years at 40°C. See
sectional specification under each product series for specific data.
Re-age (Reforming) Procedure
Apply the rated voltage to the capacitor at room temperature for a period of one hour, or until the leakage current has fallen to a steady
value below the specified limit. During re-aging a maximum charging current of twice the specified leakage current or 5 mA (whichever
is greater) is suggested.
Reliability
The reliability of a component can be defined as the probability that it will perform satisfactorily under a given set of conditions for a
given length of time.
In practice, it is impossible to predict with absolute certainty how any individual component will perform; thus, we must utilize probability
theory. It is also necessary to clearly define the level of stress involved (e.g. operating voltage, ripple current, temperature and time).
Finally, the meaning of satisfactory performance must be defined by specifying a set of conditions which determine the end of life of the
component.
Reliability as a function of time, R(t), is normally expressed as: R(t)=e-λt
where R(t) is the probability that the component will perform satisfactorily for time t, and λ is the failure rate.
Failure Rate
The failure rate is the number of components failing per unit time. The failure rate of most electronic components follows the
characteristic pattern:
• Early failures are removed during the manufacturing process.
• The operational life is characterized by a constant failure rate.
• The wear out period is characterized by a rapidly increasing failure rate.
The failures in time (FIT) are given with a 60% confidence level for the various type codes. By convention, FIT is expressed as 1 x 10-9
failures per hour. Failure rate is also expressed as a percentage of failures per 1,000 hours.
e.g., 100 FIT = 1 x 10-7 failures per hour = 0.01%/1,000 hours
End of Life Definition
Catastrophic Failure: short circuit, open circuit or safety vent operation
Parametric Failure:
• Change in capacitance > ±10%
• Leakage current > specified limit
• ESR > 2 x initial ESR value
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com
A4037_ALS42_43 • 8/24/2015
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Screw Terminal Aluminum Electrolytic Capacitors – ALS42/43 Series, +105°C
MTBF
The mean time between failures (MTBF) is simply the inverse of the failure rate.
MTBF= 1/λ
Failure Rate
early failures
wear out
operational life
Time
The failure rate is derived from our periodic test results. The failure rate (λR) is, therefore, only given at test temperature for life tests. An
estimation is also given at 40°C. The expected failure rate for this capacitor range is based on our periodic test results for capacitors
with structural similarity. Failure rate is frequently quoted in FIT (Failures In Time) where 1 FIT = 1 x 10-9 failures per hour. Failure rate
per hour includes both catastrophic and parametric failures.
Failure Rate per Hour
Ta
85°C 220 FIT 40°C 10 FIT Environmental Compliance
As an environmentally conscious company, KEMET is working continuously with improvements concerning the environmental effects
of both our capacitors and their production. In Europe (RoHS Directive) and in some other geographical areas like China, legislation
has been put in place to prevent the use of some hazardous materials, such as lead (Pb), in electronic equipment. All products in this
catalog are produced to help our customers’ obligations to guarantee their products and fulfill these legislative requirements. The only
material of concern in our products has been lead (Pb), which has been removed from all designs to fulfill the requirement of containing
less than 0.1% of lead in any homogeneous material. KEMET will closely follow any changes in legislation world wide and makes any
necessary changes in its products, whenever needed.
Some customer segments such as medical, military and automotive electronics may still require the use of lead in electrode coatings.
To clarify the situation and distinguish products from each other, a special symbol is used on the packaging labels for RoHS compatible
capacitors.
Because of customer requirements, there may appear additional markings such as LF = Lead Free or LFW = Lead Free Wires on the
label.
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com
A4037_ALS42_43 • 8/24/2015
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Screw Terminal Aluminum Electrolytic Capacitors – ALS42/43 Series, +105°C
Table 1 – Ratings & Part Number Reference
VDC
350
350
350
350
350
350
350
350
350
350
350
350
350
350
350
350
350
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
400
415
415
415
415
415
415
415
415
415
415
415
415
415
415
415
415
450
450
450
450
450
450
450
VDC
Rated
Capacitance
120 Hz
25°C (µF)
1000
1200
1500
1800
2200
2700
3300
3900
4700
4700
5600
5600
6800
8200
10000
12000
15000
1000
1200
1500
1800
2200
2700
3300
3900
3900
4700
4700
5600
5600
6800
8200
10000
12000
1000
1200
1500
1800
2200
2700
3900
3900
4700
4700
5600
5600
6800
8200
10000
12000
1000
1200
1500
1800
2200
2700
2700
Rated
Capacitance
Size Code
Case Size
D x L (mm)
K3C
K3C
K3L
K3L
K5C
L3L
LJA
L5C
L5R
NJA
L7L
N5C
N5R
Q5R
Q5R
Q7L
Q8L
K3C
K3L
KJA
K5C
L3L
LJA
L5C
L5R
NJA
L7L
N5C
L7L
N5R
Q5R
Q5R
Q7L
Q8L
K3C
K3L
KJA
K5C
L3L
LJA
L5R
NJA
N5C
L7L
L7L
N5R
Q5R
Q5R
Q7L
Q8L
K3L
KJA
K5C
L3L
LJA
L5C
NJA
51 x 80
51 x 80
51 x 93
51 x 93
51 x 131
63.5 x 93
63.5 x 115
63.5 x 131
63.5 x 150
77 x 115
63.5 x 194
77 x 131
77 x 150
90 x 150
90 x 150
90 x 194
90 x 220
51 x 80
51 x 93
51 x115
51 x 131
63.5 x 93
63.5 x 115
63.5 x 131
63.5 x 150
77 x 115
63.5 x 194
77 x 131
63.5 x 194
77 x 150
90 x 150
90 x 150
90 x 194
90 x 220
51 x 80
51 x 93
51 x 115
51 x 131
63.5 x 93
63.5 x 115
63.5 x 150
77 x 115
77 x 131
63.5 x 194
63.5 x 194
77 x 150
90 x 150
90 x 150
90 x 194
90 x 220
51 x 93
51 x 115
51 x 131
63.5 x 93
63.5 x 115
63.5 x 131
77 x 115
Size Code
Case Size
Ripple Current
120 Hz 105°C
(A)
5.0
5.3
6.2
6.6
8.3
9.6
11.2
12.5
13.5
13.5
14.9
15.0
16.5
20.9
21.5
26.5
31.8
5.2
5.9
7.1
8.0
9.3
10.8
12.3
13.1
13.1
14.4
14.6
15.2
16.1
20.4
20.9
25.9
30.9
5.3
6.0
7.2
8.2
9.4
11.0
13.7
13.2
14.6
14.7
15.4
16.1
20.4
20.9
25.9
30.9
5.8
6.8
7.8
9.0
10.5
12.2
12.3
20 kHz 105°C
(A)
9.9
10.1
11.3
11.2
14.8
16.5
18.9
19.7
20.8
20
23.4
20.8
22.5
29.5
28.4
35.9
41.3
10.1
11.2
13.4
14.8
16.4
18.9
20.0
20.7
19.9
23.1
20.6
23.0
22.3
29.3
28.1
35.8
41.2
10.1
10.9
13.5
14.8
16.1
18.6
22.1
19.5
20.6
23.1
22.9
22.3
29.3
28.1
35.8
41.2
11.2
13.4
14.8
16.4
18.9
21.5
20.3
ESR Maximum
120 Hz 25°C
(mΩ)
121
103
81
70
58
48
39
36
31
30
24
28
24
18
16
14
12
103
87
70
59
49
40
33
31
31
25
29
22
24
18
16
14
12
98
87
66
56
49
40
29
31
29
24
21
24
18
16
14
12
89
73
60
51
42
34
36
Ripple Current
20 kHz 25°C
(mΩ)
78
67
53
46
38
32
26
25
22
21
17
21
18
13
12
10
9
65
55
44
37
31
26
22
21
21
17
20
15
17
12
12
10
9
61
57
42
35
32
27
19
21
20
16
15
17
12
12
10
9
54
44
37
31
26
21
23
ESR
Part Number
ALS4(1)(2)102K3C350
ALS4(1)(2)122K3C350
ALS4(1)(2)152K3L350
ALS4(1)(2)182K3L350
ALS4(1)(2)222K5C350
ALS4(1)(2)272L3L350
ALS4(1)(2)332LJA350
ALS4(1)(2)392L5C350
ALS4(1)(2)472L5R350
ALS4(1)(2)472NJA350
ALS4(1)(2)562L7L350
ALS4(1)(2)562N5C350
ALS4(1)(2)682N5R350
ALS4(1)(2)822Q5R350
ALS4(1)(2)103Q5R350
ALS4(1)(2)123Q7L350
ALS4(1)(2)153Q8L350
ALS4(1)(2)102K3C400
ALS4(1)(2)122K3L400
ALS4(1)(2)152KJA400
ALS4(1)(2)182K5C400
ALS4(1)(2)222L3L400
ALS4(1)(2)272LJA400
ALS4(1)(2)332L5C400
ALS4(1)(2)392L5R400
ALS4(1)(2)392NJA400
ALS4(1)(2)472L7L400
ALS4(1)(2)472N5C400
ALS4(1)(2)562L7L400
ALS4(1)(2)562N5R400
ALS4(1)(2)682Q5R400
ALS4(1)(2)822Q5R400
ALS4(1)(2)103Q7L400
ALS4(1)(2)123Q8L400
ALS4(1)(2)102K3C415
ALS4(1)(2)122K3L415
ALS4(1)(2)152KJA415
ALS4(1)(2)182K5C415
ALS4(1)(2)222L3L415
ALS4(1)(2)272LJA415
ALS4(1)(2)392L5R415
ALS4(1)(2)392NJA415
ALS4(1)(2)472N5C415
ALS4(1)(2)472L7L415
ALS4(1)(2)562L7L415
ALS4(1)(2)562N5R415
ALS4(1)(2)682Q5R415
ALS4(1)(2)822Q5R415
ALS4(1)(2)103Q7L415
ALS4(1)(2)123Q8L415
ALS4(1)(2)102K3L450
ALS4(1)(2)122KJA450
ALS4(1)(2)152K5C450
ALS4(1)(2)182L3L450
ALS4(1)(2)222LJA450
ALS4(1)(2)272L5C450
ALS4(1)(2)272NJA450
Part Number
(1) Mounting Code: 2 = plain can, 3 = threaded mounting stud
(2) Termination Code: See Termination Tables for available options
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com
A4037_ALS42_43 • 8/24/2015
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Screw Terminal Aluminum Electrolytic Capacitors – ALS42/43 Series, +105°C
Table 1 – Ratings & Part Number Reference cont'd
VDC
450
450
450
450
450
450
450
450
450
VDC
Rated
Capacitance
120 Hz
25°C (µF)
3300
3300
3900
4700
5600
5600
6800
8200
10000
Rated
Capacitance
Size Code
Case Size
D x L (mm)
L5R
N5C
L7L
N5R
N7L
Q5R
Q7L
Q7L
Q8L
63.5 x 150
77 x 131
63.5 x 194
77 x 150
77 x 194
90 x 150
90 x 194
90 x 194
90 x 220
Size Code
Case Size
Ripple Current
120 Hz 105°C
(A)
13.2
14.0
14.2
15.8
19.5
19.8
24.3
25.4
30.4
20 kHz 105°C
(A)
22.1
21.4
23.3
22.2
28.3
28.8
36.2
35.7
41.2
ESR Maximum
120 Hz 25°C
(mΩ)
30
31
25
25
19
20
16
14
12
Ripple Current
20 kHz 25°C
(mΩ)
20
20
16
17
13
14
11
10
9
ESR
Part Number
ALS4(1)(2)332L5R450
ALS4(1)(2)332N5C450
ALS4(1)(2)392L7L450
ALS4(1)(2)472N5R450
ALS4(1)(2)562N7L450
ALS4(1)(2)562Q5R450
ALS4(1)(2)682Q7L450
ALS4(1)(2)822Q7L450
ALS4(1)(2)103Q8L450
Part Number
(1) Mounting Code: 2 = plain can, 3 = threaded mounting stud
(2) Termination Code: See Termination Tables for available options
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com
A4037_ALS42_43 • 8/24/2015
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Screw Terminal Aluminum Electrolytic Capacitors – ALS42/43 Series, +105°C
Mechanical Data
Polarity and Reversed Voltage
Aluminium Electrolytic capacitors manufactured for use in DC applications contain an anode foil and a cathode foil. As such, they are
polarized devices and must be connected with the +ve to the anode foil and the -ve to the cathode foil. If this were to be reversed then
the electrolytic process that took place in forming the oxide layer on the anode would be recreated in trying to form an oxide layer on
the cathode. In forming the cathode foil in this way, heat would be generated and gas given off within the capacitor, usually leading to
catastrophic failure.
The cathode foil already possesses a thin stabilized oxide layer. This thin oxide layer is equivalent to a forming voltage of approximately
2 V. As a result, the capacitor can withstand a voltage reversal of up to 2 V for short periods. Above this voltage, the formation process
will commence. Aluminium Electrolytic capacitors can also be manufactured for use in intermittent AC applications by using two anode
foils in place of one anode and one cathode.
Mounting Position
The capacitor can be mounted in any position as long as the safety vent can operate. It is possible for some electrolyte to be expelled.
As this is a conducting liquid, suitable precautions should be initiated by the system designer to avoid secondary short circuits.
The capacitors are designed to be mounted in free air and are not suitable for submersion in liquid.
Vibration
10 – 55 Hz at 0.75 mm or 10 g for 3 x 2 hours duration, except 220 mm long cans 10 – 55 Hz at 0.35 mm or 5 g for 3 x 0.5 hours
duration. Custom designs can be made in a 66 mm diameter (M6 deck), with a vibration capability of 20 g (10 – 56 Hz at 0.75 mm and
56 – 500 Hz 20 g for 3 x 0.5 hours duration).
Insulating Resistance
≥ 100 MΩ at 100 VDC across insulating sleeve. UL recognized sleeving is available for custom parts in this range, upon request.
(UL No. E358957)
Voltage Proof
≥ 2,500 VDC across insulating sleeve
Safety Vent
A safety vent for overpressure is featured on terminal deck. This is in the form of a rubber plug designed to relieve build-up of internal
pressure due to overstress or catastrophic failure.
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com
A4037_ALS42_43 • 8/24/2015
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Screw Terminal Aluminum Electrolytic Capacitors – ALS42/43 Series, +105°C
Marking
KEMET Logo
Rated Capacitance,
Capacitance Tolerance
Climatic Category
Date of Manufacture,
Batch Number
Rated Voltage (VDC)
Part Number Code
Polarity Stripe (-)
(Not Shown)
Construction
Screw Terminal
Insulating End Disc
Detailed Cross Section
Safety Vent
Deck
Insulating Sleeve
Laser Welded
Terminal Tab
Aluminum Can
Laser Welded
Terminal Tabs
Margin
Aluminum Can
Insulating Sleeve
Deck
Paper Spacer Impregnated
with Electrolyte
(First Layer)
Polarity Mark (+)
Screw Terminal (+)
Cathode Aluminum
Foil, Etched
(Second Layer)
Paper Spacer Impregnated
with Electrolyte
(Third Layer)
Anode Aluminum Foil, Etched,
Covered with Aluminum Oxide
(Fourth Layer)
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com
Safety Vent Plug
Screw Terminal (-)
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Screw Terminal Aluminum Electrolytic Capacitors – ALS42/43 Series, +105°C
Construction cont'd
The manufacturing process begins with the anode foil being
electrochemically etched to increase the surface area and then
“formed” to produce the aluminum oxide layer. Both the anode and
cathode foils are then interleaved with absorbent paper and wound
into a cylinder. During the winding process, aluminum tabs are
attached to each foil to provide the electrical contact.
Extended cathode
Anode foil
The deck, complete with terminals, is attached to the tabs and then
folded down to rest on top of the winding. The complete winding
is impregnated with electrolyte before being housed in a suitable
container, usually an aluminum can, and sealed. Throughout the
process, all materials inside the housing must be maintained at the
highest purity and be compatible with the electrolyte.
Each capacitor is aged and tested before being sleeved and
packed. The purpose of aging is to repair any damage in the oxide
layer and thus reduce the leakage current to a very low level. Aging
is normally carried out at the rated temperature of the capacitor and
is accomplished by applying voltage to the device while carefully
controlling the supply current. The process may take several hours
to complete.
Damage to the oxide layer can occur due to variety of reasons:
• Slitting of the anode foil after forming
• Attaching the tabs to the anode foil
• Minor mechanical damage caused during winding
A sample from each batch is taken by the quality department after
completion of the production process.
The following tests are applied and may be varied at the request
of the customer. In this case the batch, or special procedure, will
determine the course of action.
Electrical:
• Leakage current
• Capacitance
• ESR
• Impedance
• Tan Delta
Mechanical/Visual:
• Overall dimensions
• Torque test of mounting stud
• Print detail
• Box labels
• Packaging, including packed
quantity
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com
Foil tabs
Tissues
Cathode foil
Etching
Forming
Winding
Decking
Impregnation
Assembly
Aging
Testing
Sleeving
Packing
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Screw Terminal Aluminum Electrolytic Capacitors – ALS42/43 Series, +105°C
KEMET Corporation
World Headquarters
Europe
Asia
Southern Europe
Sasso Marconi, Italy
Tel: 39-051-939111
Northeast Asia
Hong Kong
Tel: 852-2305-1168
Mailing Address:
P.O. Box 5928
Greenville, SC 29606
Skopje, Macedonia
Tel: 389-2-55-14-623
Shenzhen, China
Tel: 86-755-2518-1306
www.kemet.com
Tel: 864-963-6300
Fax: 864-963-6521
Central Europe
Landsberg, Germany
Tel: 49-8191-3350800
Corporate Offices
Fort Lauderdale, FL
Tel: 954-766-2800
Kamen, Germany
Tel: 49-2307-438110
North America
Northern Europe
Wyboston, United Kingdom
Tel: 44-1480-273082
Taipei, Taiwan
Tel: 886-2-27528585
Espoo, Finland
Tel: 358-9-5406-5000
Southeast Asia
Singapore
Tel: 65-6701-8033
2835 KEMET Way
Simpsonville, SC 29681
Northeast
Wilmington, MA
Tel: 978-658-1663
Southeast
Lake Mary, FL
Tel: 407-855-8886
Central
Novi, MI
Tel: 248-994-1030
Beijing, China
Tel: 86-10-5877-1075
Shanghai, China
Tel: 86-21-6447-0707
Seoul, South Korea
Tel: 82-2-6294-0550
Penang, Malaysia
Tel: 60-4-6430200
Bangalore, India
Tel: 91-806-53-76817
Irving, TX
Tel: 972-915-6041
West
Milpitas, CA
Tel: 408-433-9950
Mexico
Guadalajara, Jalisco
Tel: 52-33-3123-2141
Note: KEMET reserves the right to modify minor details of internal and external construction at any time in the interest of product improvement. KEMET does not
assume any responsibility for infringement that might result from the use of KEMET Capacitors in potential circuit designs. KEMET is a registered trademark of
KEMET Electronics Corporation.
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com
A4037_ALS42_43 • 8/24/2015
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Screw Terminal Aluminum Electrolytic Capacitors – ALS42/43 Series, +105°C
Disclaimer
All product specifications, statements, information and data (collectively, the “Information”) in this datasheet are subject to change. The customer is responsible for checking and
verifying the extent to which the Information contained in this publication is applicable to an order at the time the order is placed.
All Information given herein is believed to be accurate and reliable, but it is presented without guarantee, warranty, or responsibility of any kind, expressed or implied.
Statements of suitability for certain applications are based on KEMET Electronics Corporation’s (“KEMET”) knowledge of typical operating conditions for such applications, but are
not intended to constitute – and KEMET specifically disclaims – any warranty concerning suitability for a specific customer application or use. The Information is intended for use only
by customers who have the requisite experience and capability to determine the correct products for their application. Any technical advice inferred from this Information or otherwise
provided by KEMET with reference to the use of KEMET’s products is given gratis, and KEMET assumes no obligation or liability for the advice given or results obtained.
Although KEMET designs and manufactures its products to the most stringent quality and safety standards, given the current state of the art, isolated component failures may still
occur. Accordingly, customer applications which require a high degree of reliability or safety should employ suitable designs or other safeguards (such as installation of protective
circuitry or redundancies) in order to ensure that the failure of an electrical component does not result in a risk of personal injury or property damage.
Although all product–related warnings, cautions and notes must be observed, the customer should not assume that all safety measures are indicted or that other measures may not
be required.
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com
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