Screw Terminal Aluminum Electrolytic Capacitors
ALS80/81, High CV, +105°C
Overview
Applications
Typical applications for KEMET's ALS80/81 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.
KEMET's ALS80/81 high CV screw terminal capacitors
features the same high ripple currents and long life
characteristics as the ALS70/71 series, but can operate
at higher temperatures. Volumetric efficiency ensures the
maximum capacitance capability in a smaller size. 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).
The extended temperature range allows increased ripple
currents at lower temperatures.
Benefits
• Maximum capacitance capability in a smaller size
• Long life, up to 9,000 hours at +105°C (Vr, Ir applied)
• High ripple current
• Excellent surge voltage capability
• PET sleeve recognized to UL QMTR2, UL No. E358957
• Optimized designs available upon request
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Part Number System
ALS8
Series
Screw Terminal
Aluminum
Electrolytic
0
Stud Option
0 = Plain can
1 = Threaded
mounting stud
A
Termination
See Termination
Table
303
Capacitance Code
(µF)
First two digits
represent
significant
figures. Third digit
specifies number
of zeros.
DA
Size Code
See Dimension
Table
025
Rated Voltage (VDC)
025 = 25
040 = 40
063 = 63
100 = 100
200 = 200
250 = 250
350 = 350
400 = 400
450 = 450
500 = 500
One world. One KEMET
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com
A4076_ALS80_81 • 4/4/2018
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Screw Terminal Aluminum Electrolytic Capacitors – ALS80/81, High CV, +105°C
Performance Characteristics
Item
Capacitance Range
Rated Voltage
Operating Temperature
Storage Temperature Range
Capacitance Tolerance
300 – 1,200,000 µF
25 – 500 VDC
−40 to +105°C
−55 to +105°C
±20% at 100 Hz/+20°C
D (mm)
36
Operational Lifetime
51
66
77, 90
End of Life Requirement
Shelf Life
Leakage Current
Rated Voltage and Ripple
Current at +105°C (hours)
6,000
7,000
8,000
9,000
Rated Voltage at +105°C
(hours)
10,000
11,000
13,000
15,000
Performance Characteristics
25 ≤ UR ≤ 100 VDC ΔC/C < ±20%, UR > 100 VDC ΔC/C < ±15%
ESR < 3 x initial 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
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)
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)
Requirements
Case Length < 220 mm
Vibration Test Specifications
Case Length ≥ 220 mm
No leakage of electrolyte
or other visible damage
Deviations in capacitance from
initial measurements must not
exceed Δ C/C < 5%
Standards
IEC 60384–4 long life grade 40/105/56
Surge Voltage
Condition
≤ 30 s surge followed by a no load
period of 330 s, 1,000 cycles at +85°C
≤ 500 ms surge, 100 cycles at 20°C,
occurring randomly throughout the
life of the capacitor
Voltage (VDC)
25
28.75
40
46
63
72.45
100
115
200
230
350
250
287.5
400
350
385
500
400
440
520
450
495
550
500
550
600
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com
A4076_ALS80_81 • 4/4/2018
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Screw Terminal Aluminum Electrolytic Capacitors – ALS80/81, High CV, +105°C
Test Method & Performance
Endurance Life Test
Conditions
Temperature
Test Duration
Ripple Current
Voltage
+105°C
2,000 hours
Rated ripple current in specified table
The sum of DC voltage and the peak AC voltage must not exceed the rated voltage of the capacitor
Performance
Performance
Capacitance Change
Equivalent Series Resistance
Leakage Current
The following specifications will be satisfied when the capacitor is tested at +20°C
≤ 160 V
≥ 160 V
Does not exceed 150% of the initial value
Does not exceed leakage current limit
Within 15% of the initial value
Within 10% of the initial value
Dimensions – Millimeters
Dimensions in mm
Size Code
DA
DB
DE
DF
KE
KF
LM
MF
NF
NJ
NP
NW
NS
NT
QC
QH
QM
QP
QW
QS
QT
D
±1
36
36
36
36
51
51
63.5
66
77
77
77
77
77
77
90
90
90
90
90
90
90
L
±2
52
62
82
105
82
105
131
105
105
115
146
169
194
220
67
98
131
146
169
194
220
LT
±1
58.5
67.5
87.5
111.5
86.5
110.5
135
110.5
110.5
119
150.5
174
198
224.5
71.5
103.5
135
149.5
174
198
223.5
S
±0.5
12.8
12.8
12.8
12.8
22.2
22.2
28.5
28.5
31.8
31.8
31.8
31.8
31.8
31.8
31.8
31.8
31.8
31.8
31.8
31.8
31.8
V
Nominal
8
8
8
8
13.7
13.7
15.8
15.8
19
19
19
19
19
19
25
25
25
25
25
25
25
Mounting
Mounting
Clip
Stud (M x H)
±1
M8 x 12
M8 x 12
M8 x 12
M8 x 12
M12 x 16
M12 x 16
M12 x 16
M12 x 16
M12 x 16
M12 x 16
M12 x 16
M12 x 16
M12 x 16
M12 x 16
M12 x 16
M12 x 16
M12 x 16
M12 x 16
M12 x 16
M12 x 16
M12 x 16
V3/H2/2736
V3/H2/2736
V3/H2/2736
V3/H2/2736
V4/2737
V4/2737
V8
V10/2738
V11
V11
V11
V11
V11
V11
PYC6045
PYC6045
PYC6045
PYC6045
PYC6045
PYC6045
PYC6045
Approximate
Weight
Grams
75
90
115
140
220
300
600
505
690
766
960
1,160
1,400
1,450
615
900
1,300
1,345
1,500
1,800
2,000
Note: Dimensions include 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
A4076_ALS80_81 • 4/4/2018
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Screw Terminal Aluminum Electrolytic Capacitors – ALS80/81, High CV, +105°C
Dimensions – Inches
Dimensions in inches
Size Code
DA
DB
DE
DF
KE
KF
LM
MF
NF
NJ
NP
NW
NS
NT
QC
QH
QM
QP
QW
QS
QT
D
±1
1.417
1.417
1.417
1.417
2.008
2.008
2.5
2.598
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
L
±2
2.047
2.441
3.228
4.134
3.228
4.134
5.157
4.134
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
LT
±1
2.303
2.657
3.445
4.390
3.406
4.350
5.315
4.350
4.350
4.685
5.925
6.850
7.795
8.839
2.815
4.075
5.315
5.886
6.850
7.795
223.5
S
±0.5
0.5039
0.5039
0.5039
0.5039
0.8740
0.8740
1.1220
1.1220
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
V
Nominal
0.3150
0.3150
0.3150
0.3150
0.5394
0.5394
0.6220
0.6220
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
Mounting Stud
(M x H)
±1
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
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
P
U
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com
A4076_ALS80_81 • 4/4/2018
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Screw Terminal Aluminum Electrolytic Capacitors – ALS80/81, High CV, +105°C
Termination Tables (cont.)
Termination
Code
A (D = 36)
A (D > 36)
C
G
H
P (offset)
U (offset)
Thread
Termination
Style
Round
Oval
Round
Round
Round
Round
Round
T
mm
± 0.5
7.14
5.5
5.5
6.35
7.14
7.14
7.14
T
inches
±0.019
0.281
0.217
0.217
0.25
0.281
0.281
0.281
DT
mm
± 0.5
8
13
13
17
8
13
13
DT
Thread Depth (TD)
inches
mm/inches
±0.019
0.315
0.512
0.512
0.67
0.315
0.512
0.512
Minimum
10/0.394
10/0.394
10/0.394
11.8/0.465
10/0.394
10/0.394
10/0.394
Z
mm/inches
Nominal
Standard Termination Option
M5
M5
M6
M6
10-32 UNF class 2B
M6
M5
10/0.394
Other Termination Options
Dimensions in mm and inches
SIDE VIEW
LT
L
D
Optional Mounting
Stud (M x H)
OVAL
Termination Codes:
A
Safety Vent
ROUND
Termination Codes:
A (D = 1.375), C, G, H
Safety Vent
OFFSET
Termination Codes:
P, U
Safety Vent
Polarity
Mark
S
T
V
+
TD
Z
DT
Polarity
Mark
V
+
TD
DT
W
V
TD
+
DT
(From Deck)
Polarity
Mark
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 • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com
A4076_ALS80_81 • 4/4/2018
5
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