ALS40A473NT100 datasheet, PDF - EEWORLD Datasheet

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ALS40A473NT100: DescriptionAluminum Electrolytic Capacitor, Polarized, Aluminum (wet), 100V, 20% +Tol, 20% -Tol, 47000uF, Stud Mount, CAN, ROHS COMPLIANT; CategoryPassive components capacitor; File Size1MB，14 Pages; ManufacturerKEMET; Websitehttp://www.kemet.com; Environmental Compliance

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ALS40A473NT100 Overview

Aluminum Electrolytic Capacitor, Polarized, Aluminum (wet), 100V, 20% +Tol, 20% -Tol, 47000uF, Stud Mount, CAN, ROHS COMPLIANT

ALS40A473NT100 Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	KEMET
package instruction	,
Reach Compliance Code	compliant
ECCN code	EAR99
capacitance	47000 µF
Capacitor type	ALUMINUM ELECTROLYTIC CAPACITOR
diameter	77 mm
dielectric materials	ALUMINUM (WET)
ESR	7 mΩ
leakage current	6 mA
length	220 mm
Installation features	STUD MOUNT
negative tolerance	20%
Number of terminals	2
Maximum operating temperature	105 °C
Minimum operating temperature	-40 °C
Package shape	CYLINDRICAL PACKAGE
Package form	Screw Ends
method of packing	BULK
polarity	POLARIZED
positive tolerance	20%
Rated (DC) voltage (URdc)	100 V
Guideline	IEC60384-4
ripple current	35400 mA
surface mount	NO
Terminal pitch	31.8 mm
Terminal shape	SCREW

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Screw Terminal Aluminum Electrolytic Capacitors

ALS40/41 Series, +105°C

Overview

Applications

Typical applications for KEMET's ALS40/41 Series of capacitors

include smoothing, energy storage or pulse operation in

telecommunication demanding power supplies, process control,

frequency inverters, drives, traction, welding, and measuring.

KEMET's ALS40/41 Series of screw terminal capacitors features

the same high ripple currents and long-life characteristics as the

ALS30/31 Series but can operate at higher temperatures. 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) but the

extended temperature range allows increased ripple currents at

lower temperatures.

Benefits

•

Compact size

Long life, up to 9,000 hours at +105°C (V

, I

applied)

High ripple current

Excellent surge voltage capability

Optimized designs available upon request

Part Number System

ALS4

Series

Computer Grade

Aluminum

Electrolytic

Stud Option

0 = Plain Can

1 = Threaded

mounting stud

Termination

See Termination

Table

153

Capacitance Code (µF)

First 2 digits equals first 2

significant figures, 3rd digit

is the number of additional

zeros.

Size Code

See Dimension

Table

025 = 25

040 = 40

063 = 63

100 = 100

160 = 160

025

Voltage (VDC)

200 = 200

250 = 250

350 = 350

400 = 400

415 = 415

450 = 450

One world. One KEMET

A4036_ALS40_41 • 4/15/2013

Screw Terminal Aluminum Electrolytic Capacitors – ALS40/41 Series, +105°C

Shelf Life

The capacitance, ESR and impedance of a capacitor will not change significantly after extended storage periods, however the leakage

current will very slowly increase. KEMET products are particularly stable and allow a shelf life in excess of three years at 40°C. See

sectional specification under each product series for specific data.

Re-age (Reforming) Procedure

Apply the rated voltage to the capacitor at room temperature for a period of one hour, or until the leakage current has fallen to a steady

value below the specified limit. During re-aging a maximum charging current of twice the specified leakage current or 5 mA (whichever

is greater) is suggested.

Reliability

The reliability of a component can be defined as the probability that it will perform satisfactorily under a given set of conditions for a

given length of time.

In practice, it is impossible to predict with absolute certainty how any individual component will perform; thus, we must utilize probability

theory. It is also necessary to clearly define the level of stress involved (e.g. operating voltage, ripple current, temperature and time).

Finally, the meaning of satisfactory performance must be defined by specifying a set of conditions which determine the end of life of the

component.

Reliability as a function of time, R(t), is normally expressed as: R(t)=e-

λt

where R(t) is the probability that the component will perform satisfactorily for time t, and λ is the failure rate.

Failure Rate

The failure rate is the number of components failing per unit time. The failure rate of most electronic components follows the

characteristic pattern:

• Early failures are removed during the manufacturing process.

• The operational life is characterized by a constant failure rate.

• The wear out period is characterized by a rapidly increasing failure rate.

The failures in time (FIT) are given with a 60% confidence level for the various type codes. By convention, FIT is expressed as 1 x 10

-9

failures per hour. Failure rate is also expressed as a percentage of failures per 1,000 hours.

e.g., 100 FIT = 1 x 10

-7

failures per hour = 0.01%/1,000 hours

End of Life Definition

Catastrophic Failure: short circuit, open circuit or safety vent operation

Parametric Failure:

• Change in capacitance > ±10%

• Leakage current > specified limit

• ESR > 2 x initial ESR value

A4036_ALS40_41 • 4/15/2013

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