Screw Terminal Aluminum Electrolytic Capacitors
ALS36/37, +85°C
Overview
Applications
KEMET's ALS36/37 Series of capacitors is designed for
industrial and commercial applications such as switch
mode power supplies (SMPS), uninterruptible power supply
(UPS) systems, variable speed drives, frequency inverters,
welding equipment, and energy storage in pulse discharge
applications.
KEMET's ALS36/37 Series of screw terminal capacitors
meets the requirements of the North American market.
This range offers high CV per unit volume coupled with high
ripple currents and long-life performance.
Benefits
• Imperial case sizes and terminals for the North American
market
• Long life, up to 20,000 hours at +85°C (V
R
, I
R
applied)
• High ripple current
• Excellent surge voltage capability
• Optimized designs available upon request
Part Number System
ALS3
Series
Screw Terminal
Aluminum
Electrolytic
6
Stud Option
6 = Plain Can
7 = Threaded
mounting stud
A
Termination
See Termination
Table
153
Capacitance Code
(µF)
First two digits
represent
significant
figures. Third digit
specifies number
of zeros.
D2C
Size Code
See Dimension
Table
025
Rated Voltage (VDC)
025 = 25
040 = 40
050 = 50
063 = 63
075 = 75
100 = 100
160 = 160
200 = 200
250 = 250
350 = 350
400 = 400
450 = 450
500 = 500
Built Into Tomorrow
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
A4033_ALS36_37 • 5/10/2021
1
Screw Terminal Aluminum Electrolytic Capacitors – ALS36/37, +85°C
Performance Characteristics
Item
Capacitance Range
Rated Voltage
Operating Temperature
Storage Temperature Range
Capacitance Tolerance
150 – 470,000 µF
25 – 500 VDC
−40 to +85°C
−55 to +85°C
−10/+30% at 120 Hz/+20°C
D (inch)
1.375
Operational Lifetime
2
2.5
3
End of Life Requirement
Shelf Life
Leakage Current
Rated Voltage and Ripple
Current at +85°C (hours)
11,000
18,000
19,000
20,000
Rated Voltage at +85°C (hours)
22,000
36,000
38,000
40,000
Performance Characteristics
∆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 = 0.006 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 – 500 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: ∆ C/C < 5%
Standards
IEC 60384–4 long life grade 40/85/56
Surge Voltage
Condition
≤ 30 s surge, 1,000 cycles at 85°C
≤ 500 ms surge, 100 cycles at 20°C
Voltage (VDC)
25
30
40
50
50
65
63
67
75
95
100
125
160
200
200
250
350
250
300
400
350
400
500
400
450
520
450
500
550
500
550
600
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
A4033_ALS36_37 • 5/10/2021
2
Screw Terminal Aluminum Electrolytic Capacitors – ALS36/37, +85°C
Test Method & Performance
Endurance Life Test
Conditions
Temperature
Test Duration
Ripple Current
Voltage
+85°C
5,000 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 200% of the initial value
Does not exceed leakage current limit
Within 15% of the initial value
Within 10% of the initial value
Dimensions – Inches
SIDE VIEW
LT
L
D
Optional Mounting
Stud (M x H)
OVAL
Termination Codes: A
Safety Vent
ROUND
Termination Codes:
A (D = 34.9), C, G, H
Safety Vent
S
T
V
+
TD
Z
DT
Polarity
Mark
V
+
TD
DT
Polarity Mark
(From Deck)
Dimensions in Inches
Size Code
D2C
D2L
D3C
D3L
D4C
D4L
D5C
D
±0.031
1.375
1.375
1.375
1.375
1.375
1.375
1.375
L
±0.062
2.125
2.625
3.125
3.625
4.125
4.625
5.125
LT
±0.039
2.420
2.930
3.440
3.960
4.430
4.940
5.450
S
±0.019
0.5
0.5
0.5
0.5
0.5
0.5
0.5
V
Nominal
0.315
0.315
0.315
0.315
0.315
0.315
0.315
Mounting
Stud (M x H)
±0.039
M8 x 0.472
M8 x 0.472
M8 x 0.472
M8 x 0.472
M8 x 0.472
M8 x 0.472
M8 x 0.472
Mounting Clip
V3/H2/2736
V3/H2/2736
V3/H2/2736
V3/H2/2736
V3/H2/2736
V3/H2/2736
V3/H2/2736
Approximate
Weight
Ounces
2.8
3.3
4
4.6
5.3
5.8
6.5
Note: Add 0.015 inches to D and 0.045 inches to L for Sleeving 3.5 inch diameter cans available upon request. LT listed is for A-type termination
code. Information for other termination codes is available upon request.
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
A4033_ALS36_37 • 5/10/2021
3
Screw Terminal Aluminum Electrolytic Capacitors – ALS36/37, +85°C
Dimensions – Inches cont.
SIDE VIEW
LT
L
D
Optional Mounting
Stud (M x H)
OVAL
Termination Codes: A
Safety Vent
ROUND
Termination Codes:
A (D = 34.9), C, G, H
Safety Vent
S
T
V
+
TD
Z
DT
Polarity
Mark
V
+
TD
DT
Polarity Mark
(From Deck)
Dimensions in Inches
Size Code
D5L
K2C
K2L
K3C
K3L
K4C
K4L
K5C
K5L
L3C
L3L
L4C
L4L
L5L
D
±0.031
1.375
2
2
2
2
2
2
2
2
2.5
2.5
2.5
2.5
2.5
L
±0.062
5.625
2.125
2.625
3.125
3.625
4.125
4.625
5.125
5.625
3.125
3.625
4.125
4.625
5.625
LT
±0.039
5.960
2.420
2.930
3.440
3.960
4.430
4.940
5.410
5.960
3.370
3.880
4.390
4.900
5.890
S
±0.019
0.5
0.875
0.875
0.875
0.875
0.875
0.875
0.875
0.875
1.125
1.125
1.125
1.125
1.125
V
Nominal
0.315
0.539
0.539
0.539
0.539
0.539
0.539
0.539
0.539
0.622
0.622
0.622
0.622
0.622
Mounting
Stud (M x H)
±0.039
M8 x 0.472
M12 x 0.63
M12 x 0.63
M12 x 0.63
M12 x 0.63
M12 x 0.63
M12 x 0.63
M12 x 0.63
M12 x 0.63
M12 x 0.63
M12 x 0.63
M12 x 0.63
M12 x 0.63
M12 x 0.63
Mounting Clip
V3/H2/2736
V4/2737
V4/2737
V4/2737
V4/2737
V4/2737
V4/2737
V4/2737
V4/2737
V8
V8
V8
V8
V8
Approximate
Weight
Ounces
7.2
5.8
7.1
8.5
9.7
11.1
12.3
13.6
15
13.1
15.2
17.1
19.2
23.3
N3L
3
3.625
3.880
1.25
0.748
M12 x 0.63
V11
21.7
N4C
3
4.125
4.390
1.25
0.748
M12 x 0.63
V11
24.7
N4L
3
4.625
4.900
1.25
0.748
M12 x 0.63
V11
27.5
N5C
3
5.125
5.370
1.25
0.748
M12 x 0.63
V11
30.5
N5L
3
5.625
5.890
1.25
0.748
M12 x 0.63
V11
33.5
N6L
3
6.625
6.870
1.25
0.748
M12 x 0.63
V11
45.2
N8L
3
8.625
8.880
1.25
0.748
M12 x 0.63
V11
51.1
Note: Add 0.015 inches to D and 0.045 inches to L for Sleeving 3.5 inch diameter cans available upon request. LT listed is for A-type termination
code. Information for other termination codes is available upon request.
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
A4033_ALS36_37 • 5/10/2021
4
Screw Terminal Aluminum Electrolytic Capacitors – ALS36/37, +85°C
Termination Tables
Termination
Code
Diameter (in)
1.375
2
2.5
3
A
•
•
•
•
C
E
G
H
•
•
•
•
•
•
•
•
•
•
Termination
Code
H
Thread
Termination
Style
Round
T
±0.031
0.281
Other Termination Options
Standard Termination Option
DT
±0.019
0.315
Thread Depth (TD)
Minimum
0.394
Z
Nominal
10 – 32 UNF
class 2B
M5
M5
M6
1/4 – 28 UNF
class 2B
M6
A (D = 1.375)
A (D > 1.375)
C
E
G
Round
Oval
Round
Round
Round
0.281
0.217
0.217
0.25
0.25
0.315
0.512
0.512
0.67
0.67
0.394
0.394
0.394
0.465
0.465
0.394
Dimensions in inches
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 • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
A4033_ALS36_37 • 5/10/2021
5
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