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ALS81U304NW040

Description
CAP ALUM 300000UF 20% 40V SCREW
CategoryPassive components   
File Size5MB,15 Pages
ManufacturerKEMET
Websitehttp://www.kemet.com
Environmental Compliance
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ALS81U304NW040 Overview

CAP ALUM 300000UF 20% 40V SCREW

ALS81U304NW040 Parametric

Parameter NameAttribute value
capacitance300000µF
Tolerance±20%
Voltage - Rated40V
ESR (equivalent series resistance)7 milliohms @ 100Hz
Service life at different temperatures2000 hours at 105°C
Operating temperature-40°C ~ 105°C
polarizationpolarization
grade-
applicationUniversal
Ripple current @ low frequency27.9A @ 100Hz
Ripple current @ high frequency28.8A @ 10kHz
impedance8 mOhms
lead spacing1.252"(31.80mm)
size/dimensions3.031" diameter (77.00mm)
Height - Installation (maximum)6.732"(171.00mm)
Surface mount pad dimensions-
Installation typeBase installation
Package/casingRadial, Can - Screw Terminal
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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