ALS70, 71 Series Datasheet by KEMET

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1© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard A4075_ALS70_71 4/5/2021
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
Built Into Tomorrow
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
Overview
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).
Applications
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.
Screw Terminal Aluminum Electrolytic Capacitors
ALS70/71, High CV, +85°C
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
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2© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard A4075_ALS70_71 4/5/2021
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
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 +8C (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
End of Life Requirement 25 ≤ UR ≤ 100 VDC ΔC/C < ±20%, UR > 100 VDC ΔC/C < ±15%
ESR < 3 x initial limit
Shelf Life 2,000 hours at +85°C or 30,000 hours at +40°C 0 VDC
Leakage Current
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
C = rated capacitance (µF), V = rated voltage (VDC) Voltage applied for 5 minutes at +20°C
Vibration Test Specifications
Procedure Requirements
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)
No leakage of electrolyte
or other visible damage
Deviations in capacitance from
initial measurements must not
exceed Δ C/C < 5%
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)
Standards IEC 60384–4 long life grade 40/85/56
Surge Voltage
Test Condition Voltage (VDC)
25 40 63 100 200 250 350 400 450 500 550 600 630
30 seconds surge followed
by a no load period of 330
seconds, 1,000 cycles at +85°C
28.75 46 72.5 115 230 288 385 440 495 550 605 660 690
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3© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard A4075_ALS70_71 4/5/2021
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
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
≤ 160 V Within 15% of the initial value
> 160 V Within 10% of the initial value
Equivalent Series Resistance Does not exceed 150% of the initial limit
Leakage Current Does not exceed leakage current limit
Dimensions – Millimeters
Size Code
Dimensions in mm Approximate
Weight
Grams
Mounting
Clamps
D L LT S V Mounting
Stud (M x H)
±1 ±2 ±1 ±0.5 Nominal ±1
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.
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4© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard A4075_ALS70_71 4/5/2021
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
Screw Terminal Aluminum Electrolytic Capacitors – ALS70/71, High CV, +85°C
Dimensions – Inches
Size Code
Dimensions in inches
D L LT S V Mounting Stud
(M x H)
±1 ±2 ±1 ±0.5 Nominal ±1
DA 1.417 2.047 2.303 0.5039 0.3150 M8 x 0.472
1.417
2.441
2.657
0.5039
0.3150
M8 x 0.472
1.417
3.228
3.445
0.5039
0.3150
M8 x 0.472
1.417
4.134
4.390
0.5039
0.3150
M8 x 0.472
2.008
3.228
3.406
0.8740
0.5394
M12 x 0.630
2.008
4.134
4.350
0.8740
0.5394
M12 x 0.630
2.5
5.157
5.315
1.1220
0.6220
M12 x 0.630
2.598
4.134
4.350
1.1220
0.6220
M12 x 0.630
3.032
4.134
4.350
1.2520
0.7480
M12 x 0.630
3.032
4.528
4.685
1.2520
0.7480
M12 x 0.630
3.032
5.748
5.925
1.2520
0.7480
M12 x 0.630
3.032
6.654
6.850
1.2520
0.7480
M12 x 0.630
3.032
7.638
7.795
1.2520
0.7480
M12 x 0.630
3.032
8.661
8.839
1.2520
0.7480
M12 x 0.630
3.543
2.638
2.815
1.2520
0.9843
M12 x 0.630
3.543
3.858
4.075
1.2520
0.9843
M12 x 0.630
3.543
5.157
5.315
1.2520
0.9843
M12 x 0.630
3.543
5.748
5.886
1.2520
0.9843
M12 x 0.630
3.543
6.654
6.850
1.2520
0.9843
M12 x 0.630
3.543
7.638
7.795
1.2520
0.9843
M12 x 0.630
3.543
8.661
223.5
1.2520
0.9843
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 A C G H P U
Diameter (mm/inches)
36/1.417
51/2.008
63.5/2.5
66/2.598
77/3.032
90/3.543
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5© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard A4075_ALS70_71 4/5/2021
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
Screw Terminal Aluminum Electrolytic Capacitors – ALS70/71, High CV, +85°C
Termination Tables cont.
Termination
Code Thread Termination
Style
T
mm
T
inches
DT
mm
DT
inches
Thread Depth (TD)
mm/inches
Z
mm/inches
±0.5 ±0.019 ±0.5 ±0.019 Minimum Nominal
Standard Termination Option
A (D = 36) M5 x 0.8 Round 7.1 0.281 80.315 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 80.315 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
L
SIDE VIEW OVAL
Termination Codes:
A
D
Optional Mounting
Stud (M x H)
+DT
V
Safety Vent
TD
Polarity
Mark
Polarity
Mark
ROUND
Termination Codes:
A (D = 1.375), C, G, H
+
DT
V
W
W = 15.9 mm/0.626 inch
Safety Vent
TD
OFFSET
Termination Codes:
P, U
LT
S
T
(From Deck)
+DT
V
Safety Vent
Polarity
Mark
Z
TD
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.
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6© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard A4075_ALS70_71 4/5/2021
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
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.
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7© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard A4075_ALS70_71 4/5/2021
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
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
wear out
early failures
operational life
Failure Rate
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.
Ta Failure Rate per Hour
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.
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8© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard A4075_ALS70_71 4/5/2021
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
Screw Terminal Aluminum Electrolytic Capacitors – ALS70/71, High CV, +85°C
Table 1 – Ratings & Part Number Reference
(1) Mounting Code: 0 = plain can, 1 = threaded mounting stud
(2) Termination Code: See Termination Tables for available options
Rated
Voltage
Rated
Capacitance Size
Code
Case Size Ripple Current ESR
Maximum
Impedance
Maximum Part Number
(VDC) 100 Hz
20°C (µF) 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
25 30,000 DA 36 x 52 9.6 11.1 47 42 ALS7(1)(2)303DA025
25 39,000 DB 36 x 62 11.0 12.7 37 33 ALS7(1)(2)393DB025
25 62,000 DE 36 x 82 13.5 15.1 25 23 ALS7(1)(2)623DE025
25 82,000 DF 36 x 105 14.6 16.1 20 19 ALS7(1)(2)823DF025
25 130,000 KE 51 x 82 17.5 18.5 17 16 ALS7(1)(2)134KE025
25 180,000 KF 51 x 105 20.3 21.4 13 13 ALS7(1)(2)184KF025
25 270,000 QC 90 x 67 23.0 23.7 13 13 ALS7(1)(2)274QC025
25 300,000 LM 63.5 x 131 28.9 30.2 9 9 ALS7(1)(2)304LM025
25 330,000 MF 66 x 105 27.9 29.0 9 9 ALS7(1)(2)334MF025
25 470,000 NF 77 x 105 28.0 28.6 910 ALS7(1)(2)474NF025
25 470,000 NJ 77 x 115 28.8 29.4 9 9 ALS7(1)(2)474NJ025
25 560,000 NP 77 x 146 31.3 31.9 8 9 ALS7(1)(2)564NP025
25 560,000 QH 90 x 98 32.0 32.7 8 9 ALS7(1)(2)564QH025
25 620,000 QM 90 x 131 36.1 36.9 7 8 ALS7(1)(2)624QM025
25 680,000 NW 77 x 169 33.1 33.7 7 8 ALS7(1)(2)684NW025
25 750,000 QP 90 x 146 38.3 39.1 6 8 ALS7(1)(2)754QP025
25 910,000 NS 77 x 194 34.3 34.8 6 8 ALS7(1)(2)914NS025
25 910,000 NT 77 x 220 34.4 34.9 6 8 ALS7(1)(2)914NT025
25 1,000,000 QW 90 x 169 40.7 41.3 5 7 ALS7(1)(2)105QW025
25 1,200,000 QS 90 x 194 42.3 42.9 5 7 ALS7(1)(2)125QS025
25 1,300,000 QT 90 x 220 42.9 43.5 5 7 ALS7(1)(2)135QT025
40 18,000 DA 36 x 52 9.0 11.2 49 42 ALS7(1)(2)183DA040
40 24,000 DB 36 x 62 10.5 12.8 38 32 ALS7(1)(2)243DB040
40 36,000 DE 36 x 82 12.7 15.1 27 23 ALS7(1)(2)363DE040
40 51,000 DF 36 x 105 14.3 16.4 20 18 ALS7(1)(2)513DF040
40 75,000 KE 51 x 82 17.0 18.6 18 16 ALS7(1)(2)753KE040
40 110,000 KF 51 x 105 19.9 21.4 13 13 ALS7(1)(2)114KF040
40 160,000 QC 90 x 67 22.7 23.7 13 13 ALS7(1)(2)164QC040
40 180,000 LM 63.5 x 131 28.4 30.3 9 9 ALS7(1)(2)184LM040
40 180,000 MF 66 x 105 27.4 29.2 9 9 ALS7(1)(2)184MF040
40 270,000 NF 77 x 105 27.8 28.8 910 ALS7(1)(2)274NF040
40 270,000 NJ 77 x 115 28.5 29.6 9 9 ALS7(1)(2)274NJ040
40 330,000 NP 77 x 146 31.0 32.1 8 9 ALS7(1)(2)334NP040
40 330,000 QH 90 x 98 31.6 32.7 8 9 ALS7(1)(2)334QH040
40 390,000 QM 90 x 131 35.5 36.7 7 8 ALS7(1)(2)394QM040
40 430,000 NW 77 x 169 33.0 33.9 7 8 ALS7(1)(2)434NW040
40 470,000 QP 90 x 146 37.9 39.0 6 8 ALS7(1)(2)474QP040
40 510,000 NS 77 x 194 34.1 34.9 7 8 ALS7(1)(2)514NS040
40 560,000 NT 77 x 220 34.5 35.3 6 8 ALS7(1)(2)564NT040
40 560,000 QW 90 x 169 40.5 41.6 5 7 ALS7(1)(2)564QW040
40 680,000 QS 90 x 194 42.0 4 3.1 5 7 ALS7(1)(2)684QS040
40 750,000 QT 90 x 220 42.7 43.75 7 ALS7(1)(2)754QT040
63 8,200 DA 36 x 52 8.0 11.1 56 44 ALS7(1)(2)822DA063
63 11,000 DB 36 x 62 9.4 12.7 43 34 ALS7(1)(2)113DB063
63 16,000 DE 36 x 82 11.4 14.9 31 24 ALS7(1)(2)163DE063
63 24,000 DF 36 x 105 13.2 16.4 22 18 ALS7(1)(2)243DF063
63 33,000 KE 51 x 82 16.1 18.7 20 17 ALS7(1)(2)333KE063
63 51,000 KF 51 x 105 19.1 21.5 14 13 ALS7(1)(2)513KF063
63 75,000 QC 90 x 67 22.3 24.0 14 13 ALS7(1)(2)753QC063
63 91,000 LM 63.5 x 131 27.6 30.4 9 9 ALS7(1)(2)913LM063
63 91,000 MF 66 x 105 26.6 29.3 9 9 ALS7(1)(2)913MF063
63 130,000 NF 77 x 105 27.3 28.9 910 ALS7(1)(2)134NF063
63 130,000 NJ 77 x 115 28.1 29.8 9 9 ALS7(1)(2)134NJ063
63 150,000 QH 90 x 98 31.3 33.3 8 9 ALS7(1)(2)154QH063
63 160,000 NP 77 x 146 30.6 32.2 8 9 ALS7(1)(2)164NP063
63 180,000 QM 90 x 131 35.1 37.1 7 8 ALS7(1)(2)184QM063
63 200,000 NW 77 x 169 32.5 34.1 7 8 ALS7(1)(2)204NW063
63 220,000 QP 90 x 146 37.4 39.3 6 8 ALS7(1)(2)224QP063
Rated
Voltage
Rated
Capacitance
Size
Code
Case
Size
Ripple
Current ESR Impedance Part
Number
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9© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard A4075_ALS70_71 4/5/2021
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
Screw Terminal Aluminum Electrolytic Capacitors – ALS70/71, High CV, +85°C
Table 1 – Ratings & Part Number Reference cont.
(1) Mounting Code: 0 = plain can, 1 = threaded mounting stud
(2) Termination Code: See Termination Tables for available options
Rated
Voltage
Rated
Capacitance Size
Code
Case Size Ripple Current ESR
Maximum
Impedance
Maximum Part Number
(VDC) 100 Hz
20°C (µF) 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
63 240,000 NS 77 x 194 33.7 35.1 7 8 ALS7(1)(2)244NS063
63 270,000 NT 77 x 220 34.2 35.5 7 8 ALS7(1)(2)274NT063
63 270,000 QW 90 x 169 40.0 41.8 6 7 ALS7(1)(2)274QW063
63 330,000 QS 90 x 194 41.7 43.3 5 7 ALS7(1)(2)334QS063
63 360,000 QT 90 x 220 42.3 43.8 5 7 ALS7(1)(2)364QT063
100 3,300 DA 36 x 52 6.6 9.3 99 81 ALS7(1)(2)332DA100
100 4,300 DB 36 x 62 7.8 10.7 77 63 ALS7(1)(2)432DB100
100 6,800 DE 36 x 82 9.9 13.2 50 41 ALS7(1)(2)682DE100
100 9,100 DF 36 x 105 11.2 14.4 39 32 ALS7(1)(2)912DF100
100 10,000 KE 51 X 82 13.4 17.0 37 31 ALS7(1)(2)103KE100
100 13,000 KE 51 x 82 14.3 17.3 31 26 ALS7(1)(2)133KE100
100 15,000 KF 51 X 105 16.1 19.7 26 22 ALS7(1)(2)153KF100
100 20,000 KF 51 x 105 17.2 20.1 22 19 ALS7(1)(2)203KF100
100 30,000 QC 90 x 67 20.7 22.8 19 17 ALS7(1)(2)303QC100
100 36,000 LM 63.5 x 131 25.3 28.8 13 12 ALS7(1)(2)363LM100
100 36,000 MF 66 x 105 24.5 27.7 14 12 ALS7(1)(2)363MF100
100 51,000 NF 77 x 105 25.7 27.9 12 12 ALS7(1)(2)513NF100
100 51,000 NJ 77 x 115 26.4 28.7 12 12 ALS7(1)(2)513NJ100
100 62,000 NP 77 x 146 28.9 31.2 11 10 ALS7(1)(2)623NP100
100 62,000 QH 90 x 98 29.4 31.8 10 11 ALS7(1)(2)623QH100
100 68,000 QM 90 x 131 33.2 36.0 910 ALS7(1)(2)683QM100
100 75,000 NW 77 x 169 30.9 33.1 9 9 ALS7(1)(2)753NW100
100 82,000 QP 90 x 146 35.5 38.2 8 9 ALS7(1)(2)823QP100
100 100,000 NS 77 x 194 32.5 34.3 8 9 ALS7(1)(2)104NS100
100 100,000 NT 77 x 220 32.6 34.4 8 9 ALS7(1)(2)104NT100
100 110,000 QW 90 x 169 38.2 40.6 7 8 ALS7(1)(2)114QW100
100 130,000 QS 90 x 194 40.0 42.2 6 8 ALS7(1)(2)134QS100
100 130,000 QT 90 x 220 40.2 42.6 6 8 ALS7(1)(2)134QT100
200 1,200 DA 36 x 52 4.0 7.0 230 159 ALS7(1)(2)122DA200
200 1,500 DB 36 x 62 4.6 8.0 184 128 ALS7(1)(2)152DB200
200 2,400 DE 36 x 82 6.0 10.2 117 82 ALS7(1)(2)242DE200
200 3,300 DF 36 x 105 7.1 11.7 87 61 ALS7(1)(2)332DF200
200 4,700 KE 51 x 82 9.4 13.6 68 49 ALS7(1)(2)472KE200
200 6,800 KF 51 x 105 11.4 16.3 48 35 ALS7(1)(2)682KF200
200 10,000 QC 90 x 67 14.5 18.3 40 31 ALS7(1)(2)103QC200
200 12,000 LM 63.5 x 131 17.3 23.5 29 21 ALS7(1)(2)123LM200
200 12,000 MF 66 x 105 16.8 22.7 29 22 ALS7(1)(2)123MF200
200 18,000 NF 77 x 105 18.8 23.0 24 19 ALS7(1)(2)183NF200
200 18,000 NJ 77 x 115 19.3 23.7 24 19 ALS7(1)(2)183NJ200
200 20,000 QH 90 x 98 21.3 26.3 21 17 ALS7(1)(2)203QH200
200 22,000 NP 77 x 146 21.6 26.1 20 16 ALS7(1)(2)223NP200
200 24,000 QM 90 x 131 24.4 29.8 18 15 ALS7(1)(2)243QM200
200 27,000 NW 77 x 169 23.7 28.3 17 14 ALS7(1)(2)273NW200
200 30,000 QP 90 x 146 26.7 32.0 15 13 ALS7(1)(2)303QP200
200 33,000 NS 77 x 194 25.4 29.9 15 12 ALS7(1)(2)333NS200
200 36,000 NT 77 x 220 26.2 30.5 14 12 ALS7(1)(2)363NT200
200 36,000 QW 90 x 169 29.3 34.8 13 11 ALS7(1)(2)363QW200
200 47,000 QS 90 x 194 31.9 37.0 11 10 ALS7(1)(2)473QS200
200 47,000 QT 90 x 220 32.4 37.8 11 10 ALS7(1)(2)473QT200
250 910 DA 36 x 52 3.6 6.9 256 166 ALS7(1)(2)911DA250
250 1,200 DB 36 x 62 4.3 8.1 195 127 ALS7(1)(2)122DB250
250 1,800 DE 36 x 82 5.5 10.1 131 86 ALS7(1)(2)182DE250
250 2,400 DF 36 x 105 6.3 11.3 100 65 ALS7(1)(2)242DF250
250 3,600 KE 51 x 82 8.7 13.6 74 50 ALS7(1)(2)362KE250
250 5,100 KF 51 x 105 10.6 16.2 53 36 ALS7(1)(2)512KF250
250 8,200 QC 90 x 67 13.9 18.1 41 30 ALS7(1)(2)822QC250
250 9,100 LM 63.5 x 131 16.2 23.5 31 22 ALS7(1)(2)912LM250
250 9,100 MF 66 x 105 15.8 22.7 31 22 ALS7(1)(2)912MF250
Rated
Voltage
Rated
Capacitance
Size
Code
Case
Size
Ripple
Current ESR Impedance Part
Number
KEIl/IEI' u new company
10© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard A4075_ALS70_71 4/5/2021
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
Screw Terminal Aluminum Electrolytic Capacitors – ALS70/71, High CV, +85°C
Table 1 – Ratings & Part Number Reference cont.
(1) Mounting Code: 0 = plain can, 1 = threaded mounting stud
(2) Termination Code: See Termination Tables for available options
Rated
Voltage
Rated
Capacitance Size
Code
Case Size Ripple Current ESR
Maximum
Impedance
Maximum Part Number
(VDC) 100 Hz
20°C (µF) 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
250 13,000 NF 77 x 105 17.9 23.2 26 19 ALS7(1)(2)133NF250
250 13,000 NJ 77 x 115 18.3 23.9 26 19 ALS7(1)(2)133NJ250
250 16,000 NP 77 x 146 20.5 26.2 22 17 ALS7(1)(2)163NP250
250 16,000 QH 90 x 98 20.6 26.3 22 17 ALS7(1)(2)163QH250
250 18,000 QM 90 x 131 23.3 29.9 19 15 ALS7(1)(2)183QM250
250 20,000 NW 77 x 169 22.6 28.3 18 14 ALS7(1)(2)203NW250
250 22,000 QP 90 x 146 25.5 32.2 16 13 ALS7(1)(2)223QP250
250 24,000 NS 77 x 194 24.1 29.8 16 12 ALS7(1)(2)243NS250
250 27,000 NT 77 x 220 25.1 30.5 15 12 ALS7(1)(2)273NT250
250 27,000 QW 90 x 169 28.0 35.0 14 11 ALS7(1)(2)273QW250
250 36,000 QS 90 x 194 30.9 37.1 11 10 ALS7(1)(2)363QS250
250 36,000 QT 90 x 220 31.3 37.9 11 10 ALS7(1)(2)363QT250
350 560 DA 36 x 52 3.1 6.8 298 174 ALS7(1)(2)561DA350
350 750 DB 36 x 62 3.8 8.0 224 131 ALS7(1)(2)751DB350
350 1,100 DE 36 x 82 4.7 9.9 154 90 ALS7(1)(2)112DE350
350 1,600 DF 36 x 105 5.8 11.6 108 64 ALS7(1)(2)162DF350
350 2,400 KE 51 x 82 8.1 13.6 80 49 ALS7(1)(2)242KE350
350 3,300 KF 51 x 105 9.7 16.2 59 36 ALS7(1)(2)332KF350
350 5,100 QC 90 x 67 12.9 18.1 46 30 ALS7(1)(2)512QC350
350 5,600 LM 63.5 x 131 14.6 23.5 36 22 ALS7(1)(2)562LM350
350 6,200 MF 66 x 105 14.8 22.7 33 21 ALS7(1)(2)622MF350
350 8,200 NF 77 x 105 16.6 23.2 29 19 ALS7(1)(2)822NF350
350 8,200 NJ 77 x 115 17.0 23.8 29 19 ALS7(1)(2)822NJ350
350 10,000 NP 77 x 146 19.1 26.2 24 16 ALS7(1)(2)103NP350
350 10,000 QH 90 x 98 19.1 26.3 24 17 ALS7(1)(2)103QH350
350 12,000 QM 90 x 131 21.9 29.7 21 14 ALS7(1)(2)123QM350
350 13,000 NW 77 x 169 21.3 28.3 20 14 ALS7(1)(2)133NW350
350 13,000 QP 90 x 146 23.4 32.3 18 13 ALS7(1)(2)133QP350
350 16,000 NS 77 x 194 23.1 29.9 17 12 ALS7(1)(2)163NS350
350 16,000 NT 77 x 220 23.2 30.3 16 12 ALS7(1)(2)163NT350
350 18,000 QW 90 x 169 26.7 34.9 15 11 ALS7(1)(2)183QW350
350 22,000 QS 90 x 194 28.9 37.1 13 10 ALS7(1)(2)223QS350
350 24,000 QT 90 x 220 30.0 38.0 12 9ALS7(1)(2)243QT350
400 510 DA 36 x 52 3.1 6.9 304 172 ALS7(1)(2)511DA400
400 620 DB 36 x 62 3.5 7.8 250 142 ALS7(1)(2)621DB400
400 1,000 DE 36 x 82 4.6 10.0 157 89 ALS7(1)(2)102DE400
400 1,300 DF 36 x 105 5.3 11.2 122 70 ALS7(1)(2)132DF400
400 2,000 KE 51 x 82 7.6 13.6 87 52 ALS7(1)(2)202KE400
400 3,000 KF 51 x 105 9.5 16.3 60 36 ALS7(1)(2)302KF400
400 4,300 QC 90 x 67 12.4 18.1 48 31 ALS7(1)(2)432QC400
400 4,700 QC 90 X 67 12.9 18.9 44 28 ALS7(1)(2)472QC400
400 5,100 LM 63.5 x 131 14.5 23.5 36 21ALS7(1)(2)512LM400
400 5,100 MF 66 x 105 14.0 22.7 36 22 ALS7(1)(2)512MF400
400 7,500 NF 77 x 105 16.4 23.0 29 19 ALS7(1)(2)752NF400
400 7,500 NJ 77 x 115 16.7 23.7 29 19 ALS7(1)(2)752NJ400
400 8,200 QH 90 x 98 18.4 26.4 26 17 ALS7(1)(2)822QH400
400 9,100 NP 77 x 146 18.8 26.1 24 16 ALS7(1)(2)912NP400
400 10,000 QM 90 x 131 21.1 29.8 22 14 ALS7(1)(2)103QM400
400 11,000 NW 77 x 169 20.7 28.3 21 14 ALS7(1)(2)113NW400
400 12,000 QP 90 x 146 23.2 32.1 19 12 ALS7(1)(2)123QP400
400 13,000 NS 77 x 194 22.1 29.8 18 12 ALS7(1)(2)133NS400
400 15,000 NT 77 x 220 23.3 30.6 16 12 ALS7(1)(2)153NT400
400 15,000 QW 90 x 169 25.8 34.9 15 11 ALS7(1)(2)153QW400
400 18,000 QS 90 x 194 27.8 37.0 13 10 ALS7(1)(2)183QS400
400 20,000 QT 90 x 220 29.1 37.9 12 9ALS7(1)(2)203QT400
450 430 DA 36 x 52 2.9 6.1 399 251 ALS7(1)(2)431DA450
450 510 DB 36 x 62 3.2 6.9 336 212 ALS7(1)(2)511DB450
450 820 DE 36 x 82 4.3 8.9 211 133 ALS7(1)(2)821DE450
Rated
Voltage
Rated
Capacitance
Size
Code
Case
Size
Ripple
Current ESR Impedance Part
Number
KEIl/IEI' u new company
11© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard A4075_ALS70_71 4/5/2021
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
Screw Terminal Aluminum Electrolytic Capacitors – ALS70/71, High CV, +85°C
Rated
Voltage
Rated
Capacitance Size
Code
Case Size Ripple Current ESR
Maximum
Impedance
Maximum Part Number
(VDC) 100 Hz
20°C (µF) 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
450 1,200 DF 36 x 105 5.3 10.6 146 93 ALS7(1)(2)122DF450
450 1,600 KE 51 x 82 7.0 12.5 117 76 ALS7(1)(2)162KE450
450 2,400 KF 51 x 105 8.8 15.2 80 52 ALS7(1)(2)242KF450
450 3,600 QC 90 x 67 11.8 17.5 61 41 ALS7(1)(2)362QC450
450 4,300 LM 63.5 x 131 13.7 22.2 46 30 ALS7(1)(2)432LM450
450 4,300 MF 66 x 105 13.3 21.5 46 30 ALS7(1)(2)432MF450
450 6,200 NF 77 x 105 15.6 22.2 37 25 ALS7(1)(2)622NF450
450 6,200 NJ 77 x 115 15.9 22.9 36 25 ALS7(1)(2)622NJ450
450 7,500 NP 77 x 146 17.9 25.3 31 21 ALS7(1)(2)752NP450
450 7,500 QH 90 x 98 17.9 25.2 31 21 ALS7(1)(2)752QH450
450 8,200 QM 90 x 131 20.0 28.8 28 19 ALS7(1)(2)822QM450
450 9,100 NW 77 x 169 19.7 27.4 26 18 ALS7(1)(2)912NW450
450 10,000 QP 90 x 146 22.1 31.1 23 16 ALS7(1)(2)103QP450
450 12,000 NS 77 x 194 21.9 29.2 21 15 ALS7(1)(2)123NS450
450 12,000 NT 77 x 220 22.0 29.6 21 15 ALS7(1)(2)123NT450
450 13,000 QW 90 x 169 24.9 33.9 19 14 ALS7(1)(2)133QW450
450 16,000 QS 90 x 194 27.2 36.2 16 12 ALS7(1)(2)163QS450
450 16,000 QT 90 x 220 27.4 36.8 16 12 ALS7(1)(2)163QT450
500 360 DA 36 x 52 2.6 5.1 691 520 ALS7(1)(2)361DA500
500 470 DB 36 x 62 3.1 6.0 531 399 ALS7(1)(2)471DB500
500 680 DE 36 x 82 3.9 7.5 368 277 ALS7(1)(2)681DE500
500 1,000 DF 36 x 105 4.8 9.0 252 190 ALS7(1)(2)102DF500
500 1,300 KE 51 x 82 6.4 11.1 203 154 ALS7(1)(2)132KE500
500 2,000 KF 51 x 105 8.1 13.6 134 102 ALS7(1)(2)202KF500
500 2,700 QC 90 x 67 11.0 16.5 100 76 ALS7(1)(2)272QC500
500 3,300 LM 63.5 x 131 12.6 20.4 76 58 ALS7(1)(2)332LM500
500 3,300 MF 66 x 105 12.3 19.7 77 58 ALS7(1)(2)332MF500
500 4,700 NF 77 x 105 14.5 21.1 59 45 ALS7(1)(2)472NF500
500 5,100 NJ 77 x 115 15.2 21.7 55 43 ALS7(1)(2)512NJ500
500 5,600 NP 77 x 146 16.6 24.0 49 38 ALS7(1)(2)562NP500
500 5,600 QH 90 x 98 16.7 24.0 50 38 ALS7(1)(2)562QH500
500 6,800 QM 90 x 131 19.2 27.3 41 32 ALS7(1)(2)682QM500
500 7,500 NW 77 x 169 18.9 26.3 38 30 ALS7(1)(2)752NW500
500 8,200 QP 90 x 146 21.2 29.7 35 27 ALS7(1)(2)822QP500
500 9,100 NS 77 x 194 20.5 27.9 32 25 ALS7(1)(2)912NS500
500 10,000 NT 77 x 220 21.4 28.7 30 24 ALS7(1)(2)103NT500
500 10,000 QW 90 x 169 23.5 32.4 29 23 ALS7(1)(2)103QW500
500 12,000 QS 90 x 194 25.4 34.6 24 19 ALS7(1)(2)123QS500
500 13,000 QT 90 x 220 26.5 35.5 23 18 ALS7(1)(2)133QT500
550 300 DA 36 x 52 2.4 4.1 1474 1284 ALS7(1)(2)301DA550
550 390 DB 36 x 62 2.8 4.8 1135 988 ALS7(1)(2)391DB550
550 560 DE 36 x 82 3.5 6.0 791689 ALS7(1)(2)561DE550
550 820 DF 36 x 105 4.4 7.3 542 473 ALS7(1)(2)821DF550
550 1,200 KE 51 x 82 6.1 9.7 385 336 ALS7(1)(2)122KE550
550 1,600 KF 51 x 105 7.3 11.5 289 252 ALS7(1)(2)162KF550
550 2,400 QC 90 x 67 10.3 14.8 191 167 ALS7(1)(2)242QC550
550 2,700 LM 63.5 x 131 11.4 17.5 161 140 ALS7(1)(2)272LM550
550 2,700 MF 66 x 105 11.1 17.0 162 140 ALS7(1)(2)272MF550
550 3,900 NF 77 x 105 13.4 19.0 118 103 ALS7(1)(2)392NF550
550 4,300 NJ 77 x 115 14.2 19.8 108 95 ALS7(1)(2)432NJ550
550 4,700 QH 90 x 98 15.5 21.8 98 86 ALS7(1)(2)472QH550
550 5,100 NP 77 x 146 15.9 22.0 92 80 ALS7(1)(2)512NP550
550 5,600 QM 90 x 131 17.8 24.8 83 72 ALS7(1)(2)562QM550
550 6,200 NW 77 x 169 17.6 24.0 76 66 ALS7(1)(2)622NW550
550 6,800 QP 90 x 146 19.7 27.1 69 60 ALS7(1)(2)682QP550
550 7,500 NS 77 x 194 19.1 25.7 63 55 ALS7(1)(2)752NS550
550 8,200 NT 77 x 220 19.9 26.5 58 51 ALS7(1)(2)822NT550
Rated
Voltage
Rated
Capacitance
Size
Code
Case
Size
Ripple
Current ESR Impedance Part
Number
Table 1 – Ratings & Part Number Reference cont.
(1) Mounting Code: 0 = plain can, 1 = threaded mounting stud
(2) Termination Code: See Termination Tables for available options
KEIl/IEI' u new company
12© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard A4075_ALS70_71 4/5/2021
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
Screw Terminal Aluminum Electrolytic Capacitors – ALS70/71, High CV, +85°C
Table 1 – Ratings & Part Number Reference cont.
(1) Mounting Code: 0 = plain can, 1 = threaded mounting stud
(2) Termination Code: See Termination Tables for available options
Rated
Voltage
Rated
Capacitance Size
Code
Case Size Ripple Current ESR
Maximum
Impedance
Maximum Part Number
(VDC) 100 Hz
20°C (µF) 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
550 8,200 QW 90 x 169 21.7 29.7 57 50 ALS7(1)(2)822QW550
550 11,000 QS 90 x 194 24.7 32.5 44 39 ALS7(1)(2)113QS550
550 11,000 QT 90 x 220 24.9 33.0 44 38 ALS7(1)(2)113QT550
600 180 DA 36 x 52 2.3 5.0 710.0 490.0 ALS7(1)(2)181DA600
600 220 DB 36 x 62 2.6 5.8 580.0 374.0 ALS7(1)(2)221DB600
600 360 DE 36 x 82 3.5 7.9 358.0 246.0 ALS7(1)(2)361DE600
600 510 DF 36 x 105 4.2 9.0 254.0 164.0 ALS7(1)(2)511DF600
600 750 KE 51 x 82 6.1 11.5 182.0 120.0 ALS7(1)(2)751KE600
600 1,000 KF 51 x 105 7.3 13.8 136.0 94.0 ALS7(1)(2)102KF600
600 1,600 QC 90 x 67 10.3 16.7 94.0 64.0 ALS7(1)(2)162QC600
600 1,800 LM 63.5 x 131 11.4 20.4 78.0 52.0 ALS7(1)(2)182LM600
600 1,800 MF 66 x 105 11.2 19.9 78.0 52.0 ALS7(1)(2)182MF600
600 2,400 NF 77 x 105 13.1 21.4 62.0 42.0 ALS7(1)(2)242NF600
600 2,700 NJ 77 x 115 13.9 22.0 57.0 39.0 ALS7(1)(2)272NJ600
600 3,300 NP 77 x 146 15.7 24.4 47.0 33.0 ALS7(1)(2)332NP600
600 3,300 QH 90 x 98 15.7 24.3 47.0 33.0 ALS7(1)(2)332QH600
600 3,900 QM 90 x 131 18.1 27.7 40.0 28.0 ALS7(1)(2)392QM600
600 4,300 NW 77 x 169 17.9 26.6 37.0 26.0 ALS7(1)(2)432NW600
600 4,300 QP 90 x 146 19.5 30.2 36.0 25.0 ALS7(1)(2)432QP600
600 5,100 NS 77 x 194 19.2 28.3 32.0 23.0 ALS7(1)(2)512NS600
600 5,600 NT 77 x 220 20.1 29.0 30.0 21.0 ALS7(1)(2)562NT600
600 5,600 QW 90 x 169 21.9 32.8 29.0 20.0 ALS7(1)(2)562QW600
600 6,800 QS 90 x 194 24.3 35.5 24.0 17.0 ALS7(1)(2)682QS600
600 7,500 QT 90 x 220 25.2 36.1 22.0 16.0 ALS7(1)(2)752QT600
630 180 DA 36 x 52 2.3 5.0 726 500 ALS7(1)(2)181DA630
630 220 DB 36 x 62 2.6 5.8 595 409 ALS7(1)(2)221DB630
630 330 DE 36 x 82 3.4 7.3 398 274 ALS7(1)(2)331DE630
630 470 DF 36 x 105 4.1 8.7 281 193 ALS7(1)(2)471DF630
630 680 KE 51 x 82 5.8 11.3 204 141 ALS7(1)(2)681KE630
630 1,000 KF 51 x 105 7.3 13.8 140 97 ALS7(1)(2)102KF630
630 1,600 QC 90 x 67 10.0 16.9 102 70 ALS7(1)(2)162QC630
630 1,800 LM 63.5 x 131 11.0 20.5 84 57 ALS7(1)(2)182LM630
630 2,000 MF 66 x 105 11.2 20.0 77 53 ALS7(1)(2)202MF630
630 2,700 NF 77 x 105 13.2 21.6 61 42 ALS7(1)(2)272NF630
630 2,700 NJ 77 x 115 13.5 22.2 61 42 ALS7(1)(2)272NJ630
630 3,300 NP 77 x 146 15.4 24.7 51 35 ALS7(1)(2)332NP630
630 3,300 QH 90 x 98 15.3 24.5 51 35 ALS7(1)(2)332QH630
630 3,900 QM 90 x 131 17.6 28.0 43 30 ALS7(1)(2)392QM630
630 4,300 NW 77 x 169 17.4 26.9 40 28 ALS7(1)(2)432NW630
630 4,700 QP 90 x 146 19.4 30.3 36 25 ALS7(1)(2)472QP630
630 5,100 NS 77 x 194 18.9 28.8 34 24 ALS7(1)(2)512NS630
630 5,600 NT 77 x 220 19.7 29.3 3222 ALS7(1)(2)562NT630
630 5,600 QW 90 x 169 21.5 33.3 31 21 ALS7(1)(2)562QW630
630 7,500 QS 90 x 194 24.3 35.6 24 17 ALS7(1)(2)752QS630
630 7,500 QT 90 x 220 24.7 36.5 24 17 ALS7(1)(2)752QT630
Rated
Voltage
Rated
Capacitance
Size
Code
Case
Size
Ripple
Current ESR Impedance Part
Number
KEIVIEI' «WEED-mm
13© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard A4075_ALS70_71 4/5/2021
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
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.
KEIWIECIEI'
14© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard A4075_ALS70_71 4/5/2021
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
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
Made in The
European Union
Date of Manufacture,
Batch Number
Construction
Detailed Cross Section
Margin
Safety Vent
Screw Terminal
Tab Connection
to Terminal
Aluminum Can
Insulating Sleeve
Deck
Insulating Sleeve
Aluminum Can
Wound
Element Tabs
Deck
Screw Terminal (+)
Screw Terminal ()
Polarity Mark (+)
Safety Vent Plug
Insulating End Disc
Anode Aluminum Foil, Etched,
Covered with Aluminum Oxide
(Fourth Layer)
Cathode Aluminum Foil,
Etched (Second Layer)
Paper Spacer Impregnated
with Electrolyte
(First Layer)
Paper Spacer Impregnated
with Electrolyte (Third Layer)
Packlng
15© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard A4075_ALS70_71 4/5/2021
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
Screw Terminal Aluminum Electrolytic Capacitors – ALS70/71, High CV, +85°C
Extended cathode
Anode foil
Cathode foil
Tissues
Foil tabs
Aging
Etching
Forming
Winding
Decking
Impregnation
Assembly
Testing
Sleeving
Packing
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.
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 defi ned 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
KEIVIEI' «WEED-mm
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Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
Screw Terminal Aluminum Electrolytic Capacitors – ALS70/71, High CV, +85°C
KEMET Electronics Corporation Sales Offi ces
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Disclaimer
All product specifi cations, 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 specifi cally disclaims – any warranty concerning suitability for a specifi c 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.
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