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PDF ALS32 Data sheet ( Hoja de datos )
| Número de pieza | ALS32 | |
| Descripción | Screw Terminal Aluminum Electrolytic Capacitors | |
| Fabricantes | KEMET | |
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Screw Terminal Aluminum Electrolytic Capacitors
ALS32/33 Series, +85°C
Overview
KEMET's ALS32/33 Series of screw terminal capacitors meets
the requirements of the Asian market. This range offers high CV
per unit volume coupled with high ripple currents and long-life
performance.
Applications
KEMET's ALS32/33 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.
Benefits
• Case sizes and terminals for the Asian market
• Long life, up to 20,000 hours at +85°C (VR, IR applied)
• High ripple current
• Excellent surge voltage capability
• Optimized designs available upon request
Part Number System
ALS3
Series
Screw Terminal
Aluminum Electrolytic
2
Stud Option
2 = Plain Can
3 = Threaded mounting
stud
A
Termination
See Termination
Table
391
Capacitance Code (µF)
First 2 digits equals first 2
significant figures, 3rd digit is
the number of additional zeros.
D2C
Size Code
See Dimension Table
350
Voltage (VDC)
350 = 350
400 = 400
450 = 450
500 = 500
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com
One world. One KEMET
A4032_ALS32_33 • 4/3/2014 1
http://www.Datasheet4U.com
1 page  
Screw Terminal Aluminum Electrolytic Capacitors – ALS32/33 Series, +85°C
Termination Tables
Termination Code
Diameter (mm)
34.9
50.8
63.5
76.2
88.9
A
•
•
•
•
•
C
•
•
•
Termination
Code
A (D = 36)
A (D > 36)
C
Thread
M5
M5
M6
LT
L
D
Optional Mounting Stud
(M x H)
Termination
Style
Round
Oval
Round
T DT
± 0.5 ± 0.5
Standard Termination Option
7.14 8
5.5 13
Other Termination Options
5.5 13
Dimensions in mm
Thread Depth (TD)
Minimum
10
10
10
T(From Deck)
Oval
Termination codes:
A
Round
Termination codes:
A (D = 34.9), C
Safety vent
V
S
TD
Insulated Sleeve
V
DT
TD
Z
DT
Polarity Mark
Z
Nominal
10
Case Polarity
Due to the presence of electrolyte in the capacitor, the aluminum can and stud mounting will essentially be at the same polarity as the
negative terminal. We recommend that the stud and can be insulated (see accessories for insulating nuts).
Terminations
Aluminum inserts with M5 threads as standard, maximum torque 2NM. Optional M6 threaded inserts have a maximum torque 4NM.
Maximum torque for stud mounting M8:4NM and M12:8NM.
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com
A4032_ALS32_33 • 4/3/2014 5
5 Page 
Screw Terminal Aluminum Electrolytic Capacitors – ALS32/33 Series, +85°C
Construction
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.
Cathode foil
Tissues
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.
Etching
Forming
Winding
Damage to the oxide layer can occur due to variety of reasons:
• Slitting of the anode foil after forming
• Attaching the tabs to the anode foil
• Minor mechanical damage caused during winding
A sample from each batch is taken by the quality department after
completion of the production process.
The following tests are applied and may be varied at the request
of the customer. In this case the batch, or special procedure, will
determine the course of action.
Electrical:
• Leakage current
• Capacitance
• ESR
• Impedance
• Tan Delta
Mechanical/Visual:
• Overall dimensions
• Torque test of mounting stud
• Print detail
• Box labels
• Packaging, including packed
quantity
Decking
Impregnation
Assembly
Aging
Testing
Sleeving
Packing
Foil tabs
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com
A4032_ALS32_33 • 4/3/2014 11
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet ALS32.PDF ] | |
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