A341PM154M025A datasheet, PDF - EEWORLD Datasheet

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A341PM154M025A: DescriptionAluminum Electrolytic Capacitors - Screw Terminal; CategoryPassive components; File Size5MB，14 Pages; ManufacturerKEMET; Websitehttp://www.kemet.com

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A341PM154M025A Overview

Aluminum Electrolytic Capacitors - Screw Terminal

A341PM154M025A Parametric

Parameter Name	Attribute value
Product Attribute	Attribute Value
Manufacturer	KEMET
Product Category	Aluminum Electrolytic Capacitors - Screw Terminal

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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

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Part Number System

ALS4

Series

Screw Terminal

Aluminum

Electrolytic

Stud Option

0 = Plain Can

1 = Threaded

mounting stud

Termination

See Termination

Table

153

Capacitance Code

(µF)

First two digits

represent

significant

figures. Third digit

specifies number

of zeros.

Size Code

See Dimension

Table

025

Rated Voltage (VDC)

025 = 25

040 = 40

063 = 63

100 = 100

160 = 160

200 = 200

250 = 250

350 = 350

400 = 400

415 = 415

450 = 450

500 = 500

One world. One KEMET

A4036_ALS40_41 • 8/30/2016

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 • 8/30/2016

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