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ALF40G181EC450

Description
CAP ALU 180UF 20% 450V PRESSFIT
CategoryPassive components   
File Size5MB,14 Pages
ManufacturerKEMET
Websitehttp://www.kemet.com
Environmental Compliance
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ALF40G181EC450 Overview

CAP ALU 180UF 20% 450V PRESSFIT

ALF40G181EC450 Parametric

Parameter NameAttribute value
capacitance180µF
Tolerance±20%
Voltage - Rated450V
ESR (equivalent series resistance)538 milliohms @ 100Hz
Service life at different temperatures5000 hours at 105°C
Operating temperature-40°C ~ 105°C
polarizationpolarization
grade-
applicationUniversal
Ripple current @ low frequency2.01A @ 100Hz
Ripple current @ high frequency4.7A @ 10kHz
impedance374 mOhms
lead spacing0.984"(25.00mm)
size/dimensions1.575" diameter (40.00mm)
Height - Installation (maximum)1.457"(37.00mm)
Surface mount pad dimensions-
Installation typeThrough hole, press fit
Package/casingRadial, Can - Snap-in - 5 Leads
Press-Fit Aluminum Electrolytic Capacitors
ALF40, +105°C
Overview
Applications
The KEMET ALF40 Press-Fit capacitors are suited for high
reliability and long life applications, such as frequency
converters, solar inverters, advanced energy storage
systems, and switch mode power supplies (SMPS). The
extended temperature range allows increased ripple
currents at lower temperatures.
The KEMET ALF40 Press-Fit capacitors eliminate the
need for solder, the associated production and quality
issues. They are the next evolution of snap-in capacitors,
providing reliable electrical contact and the same vibration
performance as soldered snap-in terminals. These
capacitors cover a wide range of case sizes and voltage
ratings. The ALF40 offers high voltages up to 500 VDC,
high ripple currents, good surge voltage capability, and a
very long life performance. Rated operating temperature is
105°C.
Benefits
• Eliminates the manufacturing problems of soldering onto
thick PCB copper tracks, which act as heat-sinks
• Eliminates fractured solder joints/cold-solder
• Skipping the solder operation allows for easy insertion
after the production washing process
• Capability to exchange components in the field
In addition to solving the solder issues, the ALF40 Press-Fit
offers:
• Compact size
• Long life – up to 9,000 hours at +105°C (VR, IR applied)
• High ripple current
• High voltage – up to 500 V
• Excellent surge voltage capability
• 35, 40, 45, and 50 mm diameters with 4 or 5 pin
configuration
• Optimized designs available upon request
Click image above for interactive 3D content
Open PDF in Adobe Reader for full functionality
Part Number System
ALF40
Series
Press-Fit Type
Aluminum Electrolytic
C
Termination
See Termination Table
822
Capacitance Code (µF)
First two digits
represent significant
figures. Third digit
specifies number of
zeros.
EF
Size Code
See Dimension Table
025 = 25
040 = 40
063 = 63
100 = 100
200 = 200
025
Rated Voltage (VDC)
250 = 250
350 = 350
400 = 400
500 = 500
One world. One KEMET
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com
A4078_ALF40 • 4/10/2018
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