Screw Terminal Aluminum Electrolytic Capacitors
ALS70/71, High CV, +85°C
Overview
Applications
The KEMET ALS70/71 high capacitance voltage (CV) screw
terminal capacitors offer tremendous performance and
reliability in a wide range of case sizes and voltage ratings,
featuring high ripple currents and a long life performance.
Volumetric efficiency ensures the maximum capacitance
capability in a smaller size. They are ideally suited for
industrial and commercial applications, demanding high
reliability and long life expectancy such as frequency
converters, uninterruptible power supply (UPS) systems
and switch mode power supplies (SMPS).
Typical applications for KEMET's ALS70/71 series
of capacitors include alternative energy, smoothing,
energy storage or pulse operation, in telecommunication
demanding power supplies, process control, AC motor
control, traction, welding, and measuring.
Benefits
• Maximum capacitance capability in a smaller size
• Long life, up to 20,000 hours at +85°C (VR , IR applied)
• High ripple current
• Excellent surge voltage capability
• PET sleeve and Lexan disc are recognized to UL: QMTR2,
UL No. E358957 (Other options available upon request)
• Optimized designs available upon request
Part Number System
ALS7
0
A
303
DA
025
Series
Stud Option
Termination
Capacitance Code
(µF)
Size Code
Rated Voltage (VDC)
Screw Terminal
Aluminum
Electrolytic
0 = Plain can
1 = Threaded
mounting stud
See Termination
Table
First two digits
represent
significant
figures. Third digit
specifies number
of zeros.
See Dimension
Table
025 = 25
040 = 40
063 = 63
100 = 100
200 = 200
250 = 250
350 = 350
400 = 400
450 = 450
500 = 500
550 = 550
600 = 600
630 = 630
Built Into Tomorrow
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
A4075_ALS70_71 • 1/17/2022
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Screw Terminal Aluminum Electrolytic Capacitors – ALS70/71, High CV, +85°C
Performance Characteristics
Item
Performance Characteristics
Capacitance Range
180 – 1,300,000 µF
Rated Voltage
25 – 630 VDC
Operating Temperature
−40 to +85°C
Storage Temperature Range
−55 to +85°C
Capacitance Tolerance
±20% at 100 Hz/+20°C
Operational Lifetime
D (mm)
Rated Voltage and Ripple
Current at +85°C (hours)
Rated Voltage at +85°C (hours)
36
11,000
22,000
51
18,000
36,000
63.5, 66
19,000
38,000
77, 90
20,000
40,000
25 ≤ UR ≤ 100 VDC ΔC/C < ±20%, UR > 100 VDC ΔC/C < ±15%
ESR < 3 x initial limit
End of Life Requirement
Shelf Life
2,000 hours at +85°C or 30,000 hours at +40°C 0 VDC
If rated capacitance is < 330,000 µF, then I = 0.006 CV or 6,000 µA (whichever is smaller)
If rated capacitance is ≥ 330,000 µF, then I = 16,000 µA
Leakage Current
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 from
initial measurements must not
exceed Δ C/C < 5%
IEC 60384–4 long life grade 40/85/56
Surge Voltage
Test Condition
≤ 30 seconds surge followed
by a no load period of 330
seconds, 1,000 cycles at +85°C
Voltage (VDC)
25
40
63
100
200
250
350
400
450
500
550
600
630
28.75
46
72.5
115
230
288
385
440
495
550
605
660
690
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
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A4075_ALS70_71 • 1/17/2022
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Screw Terminal Aluminum Electrolytic Capacitors – ALS70/71, High CV, +85°C
Test Method & Performance
Endurance Life Test
Conditions
Performance
Temperature
+85°C
Test Duration
2,000 hours
Ripple Current
Rated 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
Equivalent Series Resistance
≤ 160 V
Within 15% of the initial value
> 160 V
Within 10% of the initial value
Does not exceed 150% of the initial limit
Leakage Current
Does not exceed leakage current limit
Dimensions – Millimeters
Dimensions in mm
Size Code
D
L
LT
S
V
Mounting
Stud (M x H)
±1
±2
±1
±0.5
Nominal
±1
Approximate
Mounting
Weight
Clamps
Grams
DA
36
52
58.5
12.8
8.0
M8 x 12
75
V3/H2/2736
DB
36
62
67.5
12.8
8.0
M8 x 12
90
V3/H2/2736
DE
36
82
87.5
12.8
8.0
M8 x 12
115
V3/H2/2736
DF
36
105
111.5
12.8
8.0
M8 x 12
140
V3/H2/2736
KE
51
82
86.5
22.2
13.7
M12 x 16
220
V4/2737
KF
51
105
110.5
22.2
13.7
M12 x 16
300
V4/2737
LM
63.5
131
135
28.5
15.8
M12 x 16
600
V8
MF
66
105
110.5
28.5
15.8
M12 x 16
505
V10/2738
NF
77
105
110.5
31.8
19.0
M12 x 16
690
V11
NJ
77
115
119
31.8
19.0
M12 x 16
766
V11
NP
77
146
150.5
31.8
19.0
M12 x 16
960
V11
NW
77
169
174
31.8
19.0
M12 x 16
1,160
V11
NS
77
194
198
31.8
19.0
M12 x 16
1,400
V11
NT
77
220
224.5
31.8
19.0
M12 x 16
1,450
V11
QC
90
67
71.5
31.8
25.0
M12 x 16
615
V90N
QH
90
98
103.5
31.8
25.0
M12 x 16
900
V90N
QM
90
131
135
31.8
25.0
M12 x 16
1,300
V90N
QP
90
146
149.5
31.8
25.0
M12 x 16
1,345
V90N
QW
90
169
174
31.8
25.0
M12 x 16
1,500
V90N
QS
90
194
198
31.8
25.0
M12 x 16
1,800
V90N
QT
90
220
223.5
31.8
25.0
M12 x 16
2,000
V90N
Note: Dimensions include sleeving. LT listed is for A-type termination code. Information for other termination codes is available upon request.
Mounting Clamps, other accessories and hardware are all sold separately and not included with the capacitor. See Accessory Datasheet.
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
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A4075_ALS70_71 • 1/17/2022
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Screw Terminal Aluminum Electrolytic Capacitors – ALS70/71, High CV, +85°C
Dimensions – Inches
Dimensions in inches
Size Code
D
L
LT
S
V
Mounting Stud
(M x H)
±0.039
±0.078
±0.039
±0.019
Nominal
±0.039
DA
DB
DE
DF
KE
KF
LM
MF
1.417
1.417
1.417
1.417
2.008
2.008
2.5
2.598
2.047
2.441
3.228
4.134
3.228
4.134
5.157
4.134
2.303
2.657
3.445
4.390
3.406
4.350
5.315
4.350
0.5039
0.5039
0.5039
0.5039
0.8740
0.8740
1.1220
1.1220
0.3150
0.3150
0.3150
0.3150
0.5394
0.5394
0.6220
0.6220
M8 x 0.472
M8 x 0.472
M8 x 0.472
M8 x 0.472
M12 x 0.630
M12 x 0.630
M12 x 0.630
M12 x 0.630
NF
NJ
NP
NW
NS
NT
QC
QH
QM
QP
QW
QS
QT
3.032
3.032
3.032
3.032
3.032
3.032
3.543
3.543
3.543
3.543
3.543
3.543
3.543
4.134
4.528
5.748
6.654
7.638
8.661
2.638
3.858
5.157
5.748
6.654
7.638
8.661
4.350
4.685
5.925
6.850
7.795
8.839
2.815
4.075
5.315
5.886
6.850
7.795
8.799
1.2520
1.2520
1.2520
1.2520
1.2520
1.2520
1.2520
1.2520
1.2520
1.2520
1.2520
1.2520
1.2520
0.7480
0.7480
0.7480
0.7480
0.7480
0.7480
0.9843
0.9843
0.9843
0.9843
0.9843
0.9843
0.9843
M12 x 0.630
M12 x 0.630
M12 x 0.630
M12 x 0.630
M12 x 0.630
M12 x 0.630
M12 x 0.630
M12 x 0.630
M12 x 0.630
M12 x 0.630
M12 x 0.630
M12 x 0.630
M12 x 0.630
Note: Dimensions include sleeving. LT listed is for A-type termination code. Information for other termination
codes is available upon request.
Termination Tables
Termination Code
Diameter (mm/inches)
36/1.417
51/2.008
63.5/2.5
66/2.598
77/3.032
90/3.543
A
•
•
•
•
•
•
C
•
•
•
•
G
H
•
•
•
•
•
•
•
•
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
P
U
•
•
A4075_ALS70_71 • 1/17/2022
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Screw Terminal Aluminum Electrolytic Capacitors – ALS70/71, High CV, +85°C
Termination Tables cont.
Termination
Code
Termination
Style
Thread
T
mm
T
inches
DT
mm
DT
Thread Depth (TD)
inches
mm/inches
±0.5
±0.019
±0.5
±0.019
Minimum
Z
mm/inches
Nominal
Standard Termination Option
A (D = 36)
M5 x 0.8
Round
7.1
0.281
8
0.315
10/0.394
A (D > 36)
M5 x 0.8
Oval
5.5
0.217
13
0.512
10/0.394
10/0.394
Other Termination Options
C
M6 x 1.0
Round
5.5
0.217
13
0.512
10/0.394
G
M6 x 1.0
Round
6.4
0.250
17
0.670
11.8/0.465
H
10-32 UNF class 2B
Round
7.1
0.281
8
0.315
10/0.394
P (offset)
M6 x 1.0
Round
7.1
0.281
13
0.512
10/0.394
U (offset)
M5 x 0.8
Round
7.1
0.281
13
0.512
10/0.394
Dimensions in mm and inches
SIDE VIEW
LT
L
S
D
Optional Mounting
Stud (M x H)
T
(From Deck)
OVAL
Termination Codes:
A
ROUND
Termination Codes:
A (D = 36), C, G, H
Safety Vent
Safety Vent
V
+
TD
Z
DT
Polarity
Mark
V
+
TD
DT
Polarity
Mark
OFFSET
Termination Codes:
P, U
W
V
Safety Vent
Polarity
Mark
+
DT
TD
W = 15.9 mm/0.626 inch
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, have a 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 • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
A4075_ALS70_71 • 1/17/2022
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Screw Terminal Aluminum Electrolytic Capacitors – ALS70/71, High CV, +85°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. Therefore, 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 that 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.
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
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A4075_ALS70_71 • 1/17/2022
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Screw Terminal Aluminum Electrolytic Capacitors – ALS70/71, High CV, +85°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
All Part Numbers in this datasheet are Reach and RoHS compliant and Halogen-Free.
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 such as 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 worldwide and
make 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.
Due to customer requirements, there may appear additional markings such as lead-free (LF), or lead-free wires (LFW) on the
label.
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
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A4075_ALS70_71 • 1/17/2022
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Screw Terminal Aluminum Electrolytic Capacitors – ALS70/71, High CV, +85°C
Table 1 – Ratings & Part Number Reference
Rated
Voltage
Rated
Capacitance
(VDC)
100 Hz
20°C (µF)
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
30,000
39,000
62,000
82,000
130,000
180,000
270,000
300,000
330,000
470,000
470,000
560,000
560,000
620,000
680,000
750,000
910,000
910,000
1,000,000
1,200,000
1,300,000
18,000
24,000
36,000
51,000
75,000
110,000
160,000
180,000
180,000
270,000
270,000
330,000
330,000
390,000
430,000
470,000
510,000
560,000
560,000
680,000
750,000
8,200
11,000
16,000
24,000
33,000
51,000
75,000
91,000
91,000
130,000
130,000
150,000
160,000
180,000
200,000
220,000
Rated
Voltage
Rated
Capacitance
Size
Code
Case Size
Ripple Current
ESR
Maximum
Impedance
Maximum
Part Number
D x L (mm)
100 Hz
85°C (A)
10 kHz
85°C (A)
100 Hz
20°C (mΩ)
10 kHz
20°C (mΩ)
() Represents Part
Number Options
DA
DB
DE
DF
KE
KF
QC
LM
MF
NF
NJ
NP
QH
QM
NW
QP
NS
NT
QW
QS
QT
DA
DB
DE
DF
KE
KF
QC
LM
MF
NF
NJ
NP
QH
QM
NW
QP
NS
NT
QW
QS
QT
DA
DB
DE
DF
KE
KF
QC
LM
MF
NF
NJ
QH
NP
QM
NW
QP
36 x 52
36 x 62
36 x 82
36 x 105
51 x 82
51 x 105
90 x 67
63.5 x 131
66 x 105
77 x 105
77 x 115
77 x 146
90 x 98
90 x 131
77 x 169
90 x 146
77 x 194
77 x 220
90 x 169
90 x 194
90 x 220
36 x 52
36 x 62
36 x 82
36 x 105
51 x 82
51 x 105
90 x 67
63.5 x 131
66 x 105
77 x 105
77 x 115
77 x 146
90 x 98
90 x 131
77 x 169
90 x 146
77 x 194
77 x 220
90 x 169
90 x 194
90 x 220
36 x 52
36 x 62
36 x 82
36 x 105
51 x 82
51 x 105
90 x 67
63.5 x 131
66 x 105
77 x 105
77 x 115
90 x 98
77 x 146
90 x 131
77 x 169
90 x 146
9.6
11.0
13.5
14.6
17.5
20.3
23.0
28.9
27.9
28.0
28.8
31.3
32.0
36.1
33.1
38.3
34.3
34.4
40.7
42.3
42.9
9.0
10.5
12.7
14.3
17.0
19.9
22.7
28.4
27.4
27.8
28.5
31.0
31.6
35.5
33.0
37.9
34.1
34.5
40.5
42.0
42.7
8.0
9.4
11.4
13.2
16.1
19.1
22.3
27.6
26.6
27.3
28.1
31.3
30.6
35.1
32.5
37.4
11.1
12.7
15.1
16.1
18.5
21.4
23.7
30.2
29.0
28.6
29.4
31.9
32.7
36.9
33.7
39.1
34.8
34.9
41.3
42.9
43.5
11.2
12.8
15.1
16.4
18.6
21.4
23.7
30.3
29.2
28.8
29.6
32.1
32.7
36.7
33.9
39.0
34.9
35.3
41.6
43.1
43.7
11.1
12.7
14.9
16.4
18.7
21.5
24.0
30.4
29.3
28.9
29.8
33.3
32.2
37.1
34.1
39.3
47
37
25
20
17
13
13
9
9
9
9
8
8
7
7
6
6
6
5
5
5
49
38
27
20
18
13
13
9
9
9
9
8
8
7
7
6
7
6
5
5
5
56
43
31
22
20
14
14
9
9
9
9
8
8
7
7
6
42
33
23
19
16
13
13
9
9
10
9
9
9
8
8
8
8
8
7
7
7
42
32
23
18
16
13
13
9
9
10
9
9
9
8
8
8
8
8
7
7
7
44
34
24
18
17
13
13
9
9
10
9
9
9
8
8
8
ALS7(1)(2)303DA025
ALS7(1)(2)393DB025
ALS7(1)(2)623DE025
ALS7(1)(2)823DF025
ALS7(1)(2)134KE025
ALS7(1)(2)184KF025
ALS7(1)(2)274QC025
ALS7(1)(2)304LM025
ALS7(1)(2)334MF025
ALS7(1)(2)474NF025
ALS7(1)(2)474NJ025
ALS7(1)(2)564NP025
ALS7(1)(2)564QH025
ALS7(1)(2)624QM025
ALS7(1)(2)684NW025
ALS7(1)(2)754QP025
ALS7(1)(2)914NS025
ALS7(1)(2)914NT025
ALS7(1)(2)105QW025
ALS7(1)(2)125QS025
ALS7(1)(2)135QT025
ALS7(1)(2)183DA040
ALS7(1)(2)243DB040
ALS7(1)(2)363DE040
ALS7(1)(2)513DF040
ALS7(1)(2)753KE040
ALS7(1)(2)114KF040
ALS7(1)(2)164QC040
ALS7(1)(2)184LM040
ALS7(1)(2)184MF040
ALS7(1)(2)274NF040
ALS7(1)(2)274NJ040
ALS7(1)(2)334NP040
ALS7(1)(2)334QH040
ALS7(1)(2)394QM040
ALS7(1)(2)434NW040
ALS7(1)(2)474QP040
ALS7(1)(2)514NS040
ALS7(1)(2)564NT040
ALS7(1)(2)564QW040
ALS7(1)(2)684QS040
ALS7(1)(2)754QT040
ALS7(1)(2)822DA063
ALS7(1)(2)113DB063
ALS7(1)(2)163DE063
ALS7(1)(2)243DF063
ALS7(1)(2)333KE063
ALS7(1)(2)513KF063
ALS7(1)(2)753QC063
ALS7(1)(2)913LM063
ALS7(1)(2)913MF063
ALS7(1)(2)134NF063
ALS7(1)(2)134NJ063
ALS7(1)(2)154QH063
ALS7(1)(2)164NP063
ALS7(1)(2)184QM063
ALS7(1)(2)204NW063
ALS7(1)(2)224QP063
Size
Code
Case
Size
ESR
Impedance
Part
Number
Ripple
Current
(1) Mounting Code: 0 = plain can, 1 = threaded mounting stud
(2) Termination Code: See Termination Tables for available options
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
A4075_ALS70_71 • 1/17/2022
8
Screw Terminal Aluminum Electrolytic Capacitors – ALS70/71, High CV, +85°C
Table 1 – Ratings & Part Number Reference cont.
Rated
Voltage
Rated
Capacitance
(VDC)
100 Hz
20°C (µF)
63
63
63
63
63
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
250
250
250
250
250
250
250
250
250
240,000
270,000
270,000
330,000
360,000
3,300
4,300
6,800
9,100
10,000
13,000
15,000
20,000
30,000
36,000
36,000
51,000
51,000
62,000
62,000
68,000
75,000
82,000
100,000
100,000
110,000
130,000
130,000
1,200
1,500
2,400
3,300
4,700
6,800
10,000
12,000
12,000
18,000
18,000
20,000
22,000
24,000
27,000
30,000
33,000
36,000
36,000
47,000
47,000
910
1,200
1,800
2,400
3,600
5,100
8,200
9,100
9,100
Rated
Voltage
Rated
Capacitance
Size
Code
Case Size
Ripple Current
ESR
Maximum
Impedance
Maximum
Part Number
D x L (mm)
100 Hz
85°C (A)
10 kHz
85°C (A)
100 Hz
20°C (mΩ)
10 kHz
20°C (mΩ)
() Represents Part
Number Options
NS
NT
QW
QS
QT
DA
DB
DE
DF
KE
KE
KF
KF
QC
LM
MF
NF
NJ
NP
QH
QM
NW
QP
NS
NT
QW
QS
QT
DA
DB
DE
DF
KE
KF
QC
LM
MF
NF
NJ
QH
NP
QM
NW
QP
NS
NT
QW
QS
QT
DA
DB
DE
DF
KE
KF
QC
LM
MF
77 x 194
77 x 220
90 x 169
90 x 194
90 x 220
36 x 52
36 x 62
36 x 82
36 x 105
51 X 82
51 x 82
51 X 105
51 x 105
90 x 67
63.5 x 131
66 x 105
77 x 105
77 x 115
77 x 146
90 x 98
90 x 131
77 x 169
90 x 146
77 x 194
77 x 220
90 x 169
90 x 194
90 x 220
36 x 52
36 x 62
36 x 82
36 x 105
51 x 82
51 x 105
90 x 67
63.5 x 131
66 x 105
77 x 105
77 x 115
90 x 98
77 x 146
90 x 131
77 x 169
90 x 146
77 x 194
77 x 220
90 x 169
90 x 194
90 x 220
36 x 52
36 x 62
36 x 82
36 x 105
51 x 82
51 x 105
90 x 67
63.5 x 131
66 x 105
33.7
34.2
40.0
41.7
42.3
6.6
7.8
9.9
11.2
13.4
14.3
16.1
17.2
20.7
25.3
24.5
25.7
26.4
28.9
29.4
33.2
30.9
35.5
32.5
32.6
38.2
40.0
40.2
4.0
4.6
6.0
7.1
9.4
11.4
14.5
17.3
16.8
18.8
19.3
21.3
21.6
24.4
23.7
26.7
25.4
26.2
29.3
31.9
32.4
3.6
4.3
5.5
6.3
8.7
10.6
13.9
16.2
15.8
35.1
35.5
41.8
43.3
43.8
9.3
10.7
13.2
14.4
17.0
17.3
19.7
20.1
22.8
28.8
27.7
27.9
28.7
31.2
31.8
36.0
33.1
38.2
34.3
34.4
40.6
42.2
42.6
7.0
8.0
10.2
11.7
13.6
16.3
18.3
23.5
22.7
23.0
23.7
26.3
26.1
29.8
28.3
32.0
29.9
30.5
34.8
37.0
37.8
6.9
8.1
10.1
11.3
13.6
16.2
18.1
23.5
22.7
7
7
6
5
5
99
77
50
39
37
31
26
22
19
13
14
12
12
11
10
9
9
8
8
8
7
6
6
230
184
117
87
68
48
40
29
29
24
24
21
20
18
17
15
15
14
13
11
11
256
195
131
100
74
53
41
31
31
8
8
7
7
7
81
63
41
32
31
26
22
19
17
12
12
12
12
10
11
10
9
9
9
9
8
8
8
159
128
82
61
49
35
31
21
22
19
19
17
16
15
14
13
12
12
11
10
10
166
127
86
65
50
36
30
22
22
ALS7(1)(2)244NS063
ALS7(1)(2)274NT063
ALS7(1)(2)274QW063
ALS7(1)(2)334QS063
ALS7(1)(2)364QT063
ALS7(1)(2)332DA100
ALS7(1)(2)432DB100
ALS7(1)(2)682DE100
ALS7(1)(2)912DF100
ALS7(1)(2)103KE100
ALS7(1)(2)133KE100
ALS7(1)(2)153KF100
ALS7(1)(2)203KF100
ALS7(1)(2)303QC100
ALS7(1)(2)363LM100
ALS7(1)(2)363MF100
ALS7(1)(2)513NF100
ALS7(1)(2)513NJ100
ALS7(1)(2)623NP100
ALS7(1)(2)623QH100
ALS7(1)(2)683QM100
ALS7(1)(2)753NW100
ALS7(1)(2)823QP100
ALS7(1)(2)104NS100
ALS7(1)(2)104NT100
ALS7(1)(2)114QW100
ALS7(1)(2)134QS100
ALS7(1)(2)134QT100
ALS7(1)(2)122DA200
ALS7(1)(2)152DB200
ALS7(1)(2)242DE200
ALS7(1)(2)332DF200
ALS7(1)(2)472KE200
ALS7(1)(2)682KF200
ALS7(1)(2)103QC200
ALS7(1)(2)123LM200
ALS7(1)(2)123MF200
ALS7(1)(2)183NF200
ALS7(1)(2)183NJ200
ALS7(1)(2)203QH200
ALS7(1)(2)223NP200
ALS7(1)(2)243QM200
ALS7(1)(2)273NW200
ALS7(1)(2)303QP200
ALS7(1)(2)333NS200
ALS7(1)(2)363NT200
ALS7(1)(2)363QW200
ALS7(1)(2)473QS200
ALS7(1)(2)473QT200
ALS7(1)(2)911DA250
ALS7(1)(2)122DB250
ALS7(1)(2)182DE250
ALS7(1)(2)242DF250
ALS7(1)(2)362KE250
ALS7(1)(2)512KF250
ALS7(1)(2)822QC250
ALS7(1)(2)912LM250
ALS7(1)(2)912MF250
Size
Code
Case
Size
ESR
Impedance
Part
Number
Ripple
Current
(1) Mounting Code: 0 = plain can, 1 = threaded mounting stud
(2) Termination Code: See Termination Tables for available options
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
A4075_ALS70_71 • 1/17/2022
9
Screw Terminal Aluminum Electrolytic Capacitors – ALS70/71, High CV, +85°C
Table 1 – Ratings & Part Number Reference cont.
Rated
Voltage
Rated
Capacitance
(VDC)
100 Hz
20°C (µF)
250
250
250
250
250
250
250
250
250
250
250
250
350
350
350
350
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
400
400
400
400
400
450
450
450
13,000
13,000
16,000
16,000
18,000
20,000
22,000
24,000
27,000
27,000
36,000
36,000
560
750
1,100
1,600
2,400
3,300
5,100
5,600
6,200
8,200
8,200
10,000
10,000
12,000
13,000
13,000
16,000
16,000
18,000
22,000
24,000
510
620
1,000
1,300
2,000
3,000
4,300
4,700
5,100
5,100
7,500
7,500
8,200
9,100
10,000
11,000
12,000
13,000
15,000
15,000
18,000
20,000
430
510
820
Rated
Voltage
Rated
Capacitance
Size
Code
Case Size
Ripple Current
ESR
Maximum
Impedance
Maximum
Part Number
D x L (mm)
100 Hz
85°C (A)
10 kHz
85°C (A)
100 Hz
20°C (mΩ)
10 kHz
20°C (mΩ)
() Represents Part
Number Options
NF
NJ
NP
QH
QM
NW
QP
NS
NT
QW
QS
QT
DA
DB
DE
DF
KE
KF
QC
LM
MF
NF
NJ
NP
QH
QM
NW
QP
NS
NT
QW
QS
QT
DA
DB
DE
DF
KE
KF
QC
QC
LM
MF
NF
NJ
QH
NP
QM
NW
QP
NS
NT
QW
QS
QT
DA
DB
DE
77 x 105
77 x 115
77 x 146
90 x 98
90 x 131
77 x 169
90 x 146
77 x 194
77 x 220
90 x 169
90 x 194
90 x 220
36 x 52
36 x 62
36 x 82
36 x 105
51 x 82
51 x 105
90 x 67
63.5 x 131
66 x 105
77 x 105
77 x 115
77 x 146
90 x 98
90 x 131
77 x 169
90 x 146
77 x 194
77 x 220
90 x 169
90 x 194
90 x 220
36 x 52
36 x 62
36 x 82
36 x 105
51 x 82
51 x 105
90 x 67
90 X 67
63.5 x 131
66 x 105
77 x 105
77 x 115
90 x 98
77 x 146
90 x 131
77 x 169
90 x 146
77 x 194
77 x 220
90 x 169
90 x 194
90 x 220
36 x 52
36 x 62
36 x 82
17.9
18.3
20.5
20.6
23.3
22.6
25.5
24.1
25.1
28.0
30.9
31.3
3.1
3.8
4.7
5.8
8.1
9.7
12.9
14.6
14.8
16.6
17.0
19.1
19.1
21.9
21.3
23.4
23.1
23.2
26.7
28.9
30.0
3.1
3.5
4.6
5.3
7.6
9.5
12.4
12.9
14.5
14.0
16.4
16.7
18.4
18.8
21.1
20.7
23.2
22.1
23.3
25.8
27.8
29.1
2.9
3.2
4.3
23.2
23.9
26.2
26.3
29.9
28.3
32.2
29.8
30.5
35.0
37.1
37.9
6.8
8.0
9.9
11.6
13.6
16.2
18.1
23.5
22.7
23.2
23.8
26.2
26.3
29.7
28.3
32.3
29.9
30.3
34.9
37.1
38.0
6.9
7.8
10.0
11.2
13.6
16.3
18.1
18.9
23.5
22.7
23.0
23.7
26.4
26.1
29.8
28.3
32.1
29.8
30.6
34.9
37.0
37.9
6.1
6.9
8.9
26
26
22
22
19
18
16
16
15
14
11
11
298
224
154
108
80
59
46
36
33
29
29
24
24
21
20
18
17
16
15
13
12
304
250
157
122
87
60
48
44
36
36
29
29
26
24
22
21
19
18
16
15
13
12
399
336
211
19
19
17
17
15
14
13
12
12
11
10
10
174
131
90
64
49
36
30
22
21
19
19
16
17
14
14
13
12
12
11
10
9
172
142
89
70
52
36
31
28
21
22
19
19
17
16
14
14
12
12
12
11
10
9
251
212
133
ALS7(1)(2)133NF250
ALS7(1)(2)133NJ250
ALS7(1)(2)163NP250
ALS7(1)(2)163QH250
ALS7(1)(2)183QM250
ALS7(1)(2)203NW250
ALS7(1)(2)223QP250
ALS7(1)(2)243NS250
ALS7(1)(2)273NT250
ALS7(1)(2)273QW250
ALS7(1)(2)363QS250
ALS7(1)(2)363QT250
ALS7(1)(2)561DA350
ALS7(1)(2)751DB350
ALS7(1)(2)112DE350
ALS7(1)(2)162DF350
ALS7(1)(2)242KE350
ALS7(1)(2)332KF350
ALS7(1)(2)512QC350
ALS7(1)(2)562LM350
ALS7(1)(2)622MF350
ALS7(1)(2)822NF350
ALS7(1)(2)822NJ350
ALS7(1)(2)103NP350
ALS7(1)(2)103QH350
ALS7(1)(2)123QM350
ALS7(1)(2)133NW350
ALS7(1)(2)133QP350
ALS7(1)(2)163NS350
ALS7(1)(2)163NT350
ALS7(1)(2)183QW350
ALS7(1)(2)223QS350
ALS7(1)(2)243QT350
ALS7(1)(2)511DA400
ALS7(1)(2)621DB400
ALS7(1)(2)102DE400
ALS7(1)(2)132DF400
ALS7(1)(2)202KE400
ALS7(1)(2)302KF400
ALS7(1)(2)432QC400
ALS7(1)(2)472QC400
ALS7(1)(2)512LM400
ALS7(1)(2)512MF400
ALS7(1)(2)752NF400
ALS7(1)(2)752NJ400
ALS7(1)(2)822QH400
ALS7(1)(2)912NP400
ALS7(1)(2)103QM400
ALS7(1)(2)113NW400
ALS7(1)(2)123QP400
ALS7(1)(2)133NS400
ALS7(1)(2)153NT400
ALS7(1)(2)153QW400
ALS7(1)(2)183QS400
ALS7(1)(2)203QT400
ALS7(1)(2)431DA450
ALS7(1)(2)511DB450
ALS7(1)(2)821DE450
Size
Code
Case
Size
ESR
Impedance
Part
Number
Ripple
Current
(1) Mounting Code: 0 = plain can, 1 = threaded mounting stud
(2) Termination Code: See Termination Tables for available options
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
A4075_ALS70_71 • 1/17/2022
10
Screw Terminal Aluminum Electrolytic Capacitors – ALS70/71, High CV, +85°C
Table 1 – Ratings & Part Number Reference cont.
Rated
Voltage
Rated
Capacitance
(VDC)
100 Hz
20°C (µF)
450
450
450
450
450
450
450
450
450
450
450
450
450
450
450
450
450
450
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
500
550
550
550
550
550
550
550
550
550
550
550
550
550
550
550
550
550
550
1,200
1,600
2,400
3,600
4,300
4,300
6,200
6,200
7,500
7,500
8,200
9,100
10,000
12,000
12,000
13,000
16,000
16,000
360
470
680
1,000
1,300
2,000
2,700
3,300
3,300
4,700
5,100
5,600
5,600
6,800
7,500
8,200
9,100
10,000
10,000
12,000
13,000
300
390
560
820
1,200
1,600
2,400
2,700
2,700
3,900
4,300
4,700
5,100
5,600
6,200
6,800
7,500
8,200
Rated
Voltage
Rated
Capacitance
Size
Code
Case Size
Ripple Current
ESR
Maximum
Impedance
Maximum
Part Number
D x L (mm)
100 Hz
85°C (A)
10 kHz
85°C (A)
100 Hz
20°C (mΩ)
10 kHz
20°C (mΩ)
() Represents Part
Number Options
DF
KE
KF
QC
LM
MF
NF
NJ
NP
QH
QM
NW
QP
NS
NT
QW
QS
QT
DA
DB
DE
DF
KE
KF
QC
LM
MF
NF
NJ
NP
QH
QM
NW
QP
NS
NT
QW
QS
QT
DA
DB
DE
DF
KE
KF
QC
LM
MF
NF
NJ
QH
NP
QM
NW
QP
NS
NT
36 x 105
51 x 82
51 x 105
90 x 67
63.5 x 131
66 x 105
77 x 105
77 x 115
77 x 146
90 x 98
90 x 131
77 x 169
90 x 146
77 x 194
77 x 220
90 x 169
90 x 194
90 x 220
36 x 52
36 x 62
36 x 82
36 x 105
51 x 82
51 x 105
90 x 67
63.5 x 131
66 x 105
77 x 105
77 x 115
77 x 146
90 x 98
90 x 131
77 x 169
90 x 146
77 x 194
77 x 220
90 x 169
90 x 194
90 x 220
36 x 52
36 x 62
36 x 82
36 x 105
51 x 82
51 x 105
90 x 67
63.5 x 131
66 x 105
77 x 105
77 x 115
90 x 98
77 x 146
90 x 131
77 x 169
90 x 146
77 x 194
77 x 220
5.3
7.0
8.8
11.8
13.7
13.3
15.6
15.9
17.9
17.9
20.0
19.7
22.1
21.9
22.0
24.9
27.2
27.4
2.6
3.1
3.9
4.8
6.4
8.1
11.0
12.6
12.3
14.5
15.2
16.6
16.7
19.2
18.9
21.2
20.5
21.4
23.5
25.4
26.5
2.4
2.8
3.5
4.4
6.1
7.3
10.3
11.4
11.1
13.4
14.2
15.5
15.9
17.8
17.6
19.7
19.1
19.9
10.6
12.5
15.2
17.5
22.2
21.5
22.2
22.9
25.3
25.2
28.8
27.4
31.1
29.2
29.6
33.9
36.2
36.8
5.1
6.0
7.5
9.0
11.1
13.6
16.5
20.4
19.7
21.1
21.7
24.0
24.0
27.3
26.3
29.7
27.9
28.7
32.4
34.6
35.5
4.1
4.8
6.0
7.3
9.7
11.5
14.8
17.5
17.0
19.0
19.8
21.8
22.0
24.8
24.0
27.1
25.7
26.5
146
117
80
61
46
46
37
36
31
31
28
26
23
21
21
19
16
16
691
531
368
252
203
134
100
76
77
59
55
49
50
41
38
35
32
30
29
24
23
1474
1135
791
542
385
289
191
161
162
118
108
98
92
83
76
69
63
58
93
76
52
41
30
30
25
25
21
21
19
18
16
15
15
14
12
12
520
399
277
190
154
102
76
58
58
45
43
38
38
32
30
27
25
24
23
19
18
1284
988
689
473
336
252
167
140
140
103
95
86
80
72
66
60
55
51
ALS7(1)(2)122DF450
ALS7(1)(2)162KE450
ALS7(1)(2)242KF450
ALS7(1)(2)362QC450
ALS7(1)(2)432LM450
ALS7(1)(2)432MF450
ALS7(1)(2)622NF450
ALS7(1)(2)622NJ450
ALS7(1)(2)752NP450
ALS7(1)(2)752QH450
ALS7(1)(2)822QM450
ALS7(1)(2)912NW450
ALS7(1)(2)103QP450
ALS7(1)(2)123NS450
ALS7(1)(2)123NT450
ALS7(1)(2)133QW450
ALS7(1)(2)163QS450
ALS7(1)(2)163QT450
ALS7(1)(2)361DA500
ALS7(1)(2)471DB500
ALS7(1)(2)681DE500
ALS7(1)(2)102DF500
ALS7(1)(2)132KE500
ALS7(1)(2)202KF500
ALS7(1)(2)272QC500
ALS7(1)(2)332LM500
ALS7(1)(2)332MF500
ALS7(1)(2)472NF500
ALS7(1)(2)512NJ500
ALS7(1)(2)562NP500
ALS7(1)(2)562QH500
ALS7(1)(2)682QM500
ALS7(1)(2)752NW500
ALS7(1)(2)822QP500
ALS7(1)(2)912NS500
ALS7(1)(2)103NT500
ALS7(1)(2)103QW500
ALS7(1)(2)123QS500
ALS7(1)(2)133QT500
ALS7(1)(2)301DA550
ALS7(1)(2)391DB550
ALS7(1)(2)561DE550
ALS7(1)(2)821DF550
ALS7(1)(2)122KE550
ALS7(1)(2)162KF550
ALS7(1)(2)242QC550
ALS7(1)(2)272LM550
ALS7(1)(2)272MF550
ALS7(1)(2)392NF550
ALS7(1)(2)432NJ550
ALS7(1)(2)472QH550
ALS7(1)(2)512NP550
ALS7(1)(2)562QM550
ALS7(1)(2)622NW550
ALS7(1)(2)682QP550
ALS7(1)(2)752NS550
ALS7(1)(2)822NT550
Size
Code
Case
Size
ESR
Impedance
Part
Number
Ripple
Current
(1) Mounting Code: 0 = plain can, 1 = threaded mounting stud
(2) Termination Code: See Termination Tables for available options
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
A4075_ALS70_71 • 1/17/2022
11
Screw Terminal Aluminum Electrolytic Capacitors – ALS70/71, High CV, +85°C
Table 1 – Ratings & Part Number Reference cont.
Rated
Voltage
Rated
Capacitance
(VDC)
100 Hz
20°C (µF)
550
550
550
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
630
630
630
630
630
630
630
630
630
630
630
630
630
630
630
630
630
630
630
630
630
8,200
11,000
11,000
180
220
360
510
750
1,000
1,600
1,800
1,800
2,400
2,700
3,300
3,300
3,900
4,300
4,300
5,100
5,600
5,600
6,800
7,500
180
220
330
470
680
1,000
1,600
1,800
2,000
2,700
2,700
3,300
3,300
3,900
4,300
4,700
5,100
5,600
5,600
7,500
7,500
Rated
Voltage
Rated
Capacitance
Size
Code
Case Size
Ripple Current
ESR
Maximum
Impedance
Maximum
Part Number
D x L (mm)
100 Hz
85°C (A)
10 kHz
85°C (A)
100 Hz
20°C (mΩ)
10 kHz
20°C (mΩ)
() Represents Part
Number Options
QW
QS
QT
DA
DB
DE
DF
KE
KF
QC
LM
MF
NF
NJ
NP
QH
QM
NW
QP
NS
NT
QW
QS
QT
DA
DB
DE
DF
KE
KF
QC
LM
MF
NF
NJ
NP
QH
QM
NW
QP
NS
NT
QW
QS
QT
90 x 169
90 x 194
90 x 220
36 x 52
36 x 62
36 x 82
36 x 105
51 x 82
51 x 105
90 x 67
63.5 x 131
66 x 105
77 x 105
77 x 115
77 x 146
90 x 98
90 x 131
77 x 169
90 x 146
77 x 194
77 x 220
90 x 169
90 x 194
90 x 220
36 x 52
36 x 62
36 x 82
36 x 105
51 x 82
51 x 105
90 x 67
63.5 x 131
66 x 105
77 x 105
77 x 115
77 x 146
90 x 98
90 x 131
77 x 169
90 x 146
77 x 194
77 x 220
90 x 169
90 x 194
90 x 220
21.7
24.7
24.9
2.3
2.6
3.5
4.2
6.1
7.3
10.3
11.4
11.2
13.1
13.9
15.7
15.7
18.1
17.9
19.5
19.2
20.1
21.9
24.3
25.2
2.3
2.6
3.4
4.1
5.8
7.3
10.0
11.0
11.2
13.2
13.5
15.4
15.3
17.6
17.4
19.4
18.9
19.7
21.5
24.3
24.7
29.7
32.5
33.0
5.0
5.8
7.9
9.0
11.5
13.8
16.7
20.4
19.9
21.4
22.0
24.4
24.3
27.7
26.6
30.2
28.3
29.0
32.8
35.5
36.1
5.0
5.8
7.3
8.7
11.3
13.8
16.9
20.5
20.0
21.6
22.2
24.7
24.5
28.0
26.9
30.3
28.8
29.3
33.3
35.6
36.5
57
44
44
710.0
580.0
358.0
254.0
182.0
136.0
94.0
78.0
78.0
62.0
57.0
47.0
47.0
40.0
37.0
36.0
32.0
30.0
29.0
24.0
22.0
726
595
398
281
204
140
102
84
77
61
61
51
51
43
40
36
34
32
31
24
24
50
39
38
490.0
374.0
246.0
164.0
120.0
94.0
64.0
52.0
52.0
42.0
39.0
33.0
33.0
28.0
26.0
25.0
23.0
21.0
20.0
17.0
16.0
500
409
274
193
141
97
70
57
53
42
42
35
35
30
28
25
24
22
21
17
17
ALS7(1)(2)822QW550
ALS7(1)(2)113QS550
ALS7(1)(2)113QT550
ALS7(1)(2)181DA600
ALS7(1)(2)221DB600
ALS7(1)(2)361DE600
ALS7(1)(2)511DF600
ALS7(1)(2)751KE600
ALS7(1)(2)102KF600
ALS7(1)(2)162QC600
ALS7(1)(2)182LM600
ALS7(1)(2)182MF600
ALS7(1)(2)242NF600
ALS7(1)(2)272NJ600
ALS7(1)(2)332NP600
ALS7(1)(2)332QH600
ALS7(1)(2)392QM600
ALS7(1)(2)432NW600
ALS7(1)(2)432QP600
ALS7(1)(2)512NS600
ALS7(1)(2)562NT600
ALS7(1)(2)562QW600
ALS7(1)(2)682QS600
ALS7(1)(2)752QT600
ALS7(1)(2)181DA630
ALS7(1)(2)221DB630
ALS7(1)(2)331DE630
ALS7(1)(2)471DF630
ALS7(1)(2)681KE630
ALS7(1)(2)102KF630
ALS7(1)(2)162QC630
ALS7(1)(2)182LM630
ALS7(1)(2)202MF630
ALS7(1)(2)272NF630
ALS7(1)(2)272NJ630
ALS7(1)(2)332NP630
ALS7(1)(2)332QH630
ALS7(1)(2)392QM630
ALS7(1)(2)432NW630
ALS7(1)(2)472QP630
ALS7(1)(2)512NS630
ALS7(1)(2)562NT630
ALS7(1)(2)562QW630
ALS7(1)(2)752QS630
ALS7(1)(2)752QT630
Size
Code
Case
Size
ESR
Impedance
Part
Number
Ripple
Current
(1) Mounting Code: 0 = plain can, 1 = threaded mounting stud
(2) Termination Code: See Termination Tables for available options
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
A4075_ALS70_71 • 1/17/2022
12
Screw Terminal Aluminum Electrolytic Capacitors – ALS70/71, High CV, +85°C
Mechanical Data
Polarity and Reversed Voltage
Aluminium Electrolytic capacitors manufactured for the 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
would be given off within the capacitor, usually leading to a 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 the 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.
Insulating Resistance
≥ 100 MΩ at 100 VDC across insulating sleeve.
Voltage Proof
≥ 3,500 VDC across insulating Sleeve
≥ 2,500 VAC across insulating Sleeve
Safety Vent
A safety vent for overpressure is featured on the terminal deck in the form of a rubber plug, designed to relieve build-up of
internal pressure due to overstress or catastrophic failure.
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
A4075_ALS70_71 • 1/17/2022
13
Screw Terminal Aluminum Electrolytic Capacitors – ALS70/71, High CV, +85°C
Marking
KEMET Logo
Rated Capacitance,
Capacitance Tolerance
Rated Voltage (VDC)
Climatic Category
Part Number Code
Date of Manufacture,
Batch Number
Made in The
European Union
Construction
Screw Terminal
Insulating End Disc
Detailed Cross Section
Safety Vent
Deck
Insulating Sleeve
Tab Connection
to Terminal
Aluminum Can
Margin
Wound
Element Tabs
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 • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
Safety Vent Plug
Screw Terminal (−)
A4075_ALS70_71 • 1/17/2022
14
Screw Terminal Aluminum Electrolytic Capacitors – ALS70/71, High CV, +85°C
Construction Data
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. This sample size is controlled
by the use of recognized sampling tables defined in BS 6001.
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 • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
Foil tabs
Tissues
Cathode foil
Etching
Forming
Winding
Decking
Impregnation
Assembly
Aging
Testing
Sleeving
Packing
A4075_ALS70_71 • 1/17/2022
15
Screw Terminal Aluminum Electrolytic Capacitors – ALS70/71, High CV, +85°C
KEMET Electronics Corporation Sales Offices
For a complete list of our global sales offices, please visit www.kemet.com/sales.
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 is a registered trademark of KEMET Electronics Corporation.
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
A4075_ALS70_71 • 1/17/2022
16
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