ALS31R332NF450 datasheet, PDF - EEWORLD Datasheet

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ALS31R332NF450: DescriptionAluminum Electrolytic Capacitor, Polarized, Aluminum (wet), 450V, 20% +Tol, 20% -Tol, 3300uF, Stud Mount, CAN, ROHS COMPLIANT; CategoryPassive components capacitor; File Size1MB，15 Pages; ManufacturerKEMET; Websitehttp://www.kemet.com; Environmental Compliance

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ALS31R332NF450 Overview

Aluminum Electrolytic Capacitor, Polarized, Aluminum (wet), 450V, 20% +Tol, 20% -Tol, 3300uF, Stud Mount, CAN, ROHS COMPLIANT

ALS31R332NF450 Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	KEMET
package instruction	,
Reach Compliance Code	compli
ECCN code	EAR99
capacitance	3300 µF
Capacitor type	ALUMINUM ELECTROLYTIC CAPACITOR
diameter	77 mm
dielectric materials	ALUMINUM (WET)
ESR	40 mΩ
leakage current	6 mA
length	105 mm
Manufacturer's serial number	ALS31
Installation features	STUD MOUNT
negative tolerance	20%
Number of terminals	2
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package shape	CYLINDRICAL PACKAGE
Package form	Screw Ends
polarity	POLARIZED
positive tolerance	20%
Rated (DC) voltage (URdc)	450 V
Guideline	IEC60384-4
ripple current	13800 mA
series	ALS31
surface mount	NO
Terminal pitch	31.8 mm
Terminal shape	BINDING POST

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Screw Terminal Aluminum Electrolytic Capacitors

ALS30/31 Series, +85°C

Overview

Applications

Typical applications for KEMET's ALS30/31 Series of capacitors

include smoothing, energy storage or pulse operation in

telecommunication demanding power supplies, process control,

AC motor control, traction, welding, and measuring.

KEMET's ALS30/31 Series of screw terminal capacitors covers

a wide range of case sizes and voltage ratings featuring high

ripple currents and long-life performance. They are ideally suited

for industrial and commercial applications demanding high

reliability and long-life expectancy such as frequency converters,

uninterruptible power supply (UPS) systems and switch mode

power supplies (SMPS).

Benefits

•

Compact size

Long life, up to 20,000 hours at +85°C (V

, I

applied)

High ripple current

Excellent surge voltage capability

Optimized designs available upon request

Part Number System

ALS3

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

200 = 200

250 = 250

025

Voltage (VDC)

350 = 350

400 = 400

415 = 415

450 = 450

500 = 500

One world. One KEMET

A4031_ALS30_31 • 4/15/2013

Screw Terminal Aluminum Electrolytic Capacitors – ALS30/31 Series, +85°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

A4031_ALS30_31 • 4/15/2013

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