ALC40F391DD350 datasheet, PDF - EEWORLD Datasheet

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ALC40F391DD350: DescriptionAluminum Electrolytic Capacitor, Polarized, Aluminum (wet), 350V, 20% +Tol, 20% -Tol, 390uF, Through Hole Mount, RADIAL LEADED-3, CAN, ROHS COMPLIANT; CategoryPassive components capacitor; File Size582KB，15 Pages; ManufacturerKEMET; Websitehttp://www.kemet.com; Environmental Compliance

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ALC40F391DD350 Overview

Aluminum Electrolytic Capacitor, Polarized, Aluminum (wet), 350V, 20% +Tol, 20% -Tol, 390uF, Through Hole Mount, RADIAL LEADED-3, CAN, ROHS COMPLIANT

ALC40F391DD350 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	390 µF
Capacitor type	ALUMINUM ELECTROLYTIC CAPACITOR
diameter	35 mm
dielectric materials	ALUMINUM (WET)
ESR	317 mΩ
leakage current	0.819 mA
length	40 mm
Installation features	THROUGH HOLE MOUNT
negative tolerance	20%
Number of terminals	2
Maximum operating temperature	105 °C
Minimum operating temperature	-40 °C
Package shape	CYLINDRICAL PACKAGE
Package form	Snap-in
polarity	POLARIZED
positive tolerance	20%
Rated (DC) voltage (URdc)	350 V
ripple current	2020 mA
surface mount	NO
Terminal shape	SNAP-IN

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Snap-In Aluminum Electrolytic Capacitors

ALC40 Series, +105ºC

Overview

Applications

KEMET's ALC40 Series of capacitors is 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.

KEMET's ALC40 Series of snap-in capacitors features the same

high ripple currents and long-life characteristics as the ALC10

Series but can operate at higher 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

ALC40

Series

Snap-In type Aluminum

Electrolytic

Termination

See Termination Table

822

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

025

Voltage (VDC)

250 = 250

350 = 350

400 = 400

450 = 450

One world. One KEMET

A4026_ALC40 • 9/9/2013

Snap-In Aluminum Electrolytic Capacitors – ALC40 Series, +105ºC

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

A4026_ALC40 • 9/9/2013

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