225EDLC-R datasheet(4/6 Pages) VISHAY

4 / 6 page

225 EDLC-R ENYCAP™

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Vishay BCcomponents

Revision: 02-Jul-2021

Document Number: 28449

For technical questions, contact: energystorage@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

Table 4

Notes

• General remark: temperatures to be measured at capacitor case

(1) Conditions: electrical measurements at 20 °C, unless otherwise specified

(2) Rated capacitance CR and ESRDC

RUGGEDIZED FOR HIGH HUMIDITY - BIASED HUMIDITY TESTING

PARAMETER

PROCEDURE (AT RATED VOLTAGE)

REQUIREMENTS

Humidity (relative)

85 %

After loading the capacitor for the specified time at maximum

category temperature Tmax. = 85 °C and 85 % relative humidity,

and derated permissible maximum operating voltage U = 2.3 V,

following parameters are valid within a timeframe of 1000 h:

No visible damage

No leakage of electrolyte

ΔC/C: within ± 30 % of minimum initial specified value

ESR: less than 3 x initial specified value

Leakage: less than initial specified value

Temperature

85 °C

TEST PROCEDURES AND REQUIREMENTS (1)

NAME OF TEST

PROCEDURE

(quick reference)

Capacitance CR and ESRDC

Measured by DC discharging method as described in “Measuring of Characteristics”. (2)

Maximum peak current

Non-repetitive current for maximum 1 s at specified operating temperature.

Maximum operating voltage (refer to derating table) must not be exceeded.

Usually to be tested with constant current discharge from UR to 0.5 x UR.

Maximum current should not be used in normal operation and is only provided as reference value.

Leakage current IL

Measured at UR. Capacitor is charged to the rated voltage at 20 °C. Leakage current is the current at specified

time that is required to keep the capacitor charged at the rated voltage.

Endurance

After loading the capacitor for specified time at maximum category temperature Tmax. = 85 °C and derated

permissible maximum operating voltage U = 2.3 V, following parameters are valid within a timeframe of

1000 h:

Capacitance

Within ± 30 % of minimum initial specified value

ESR

Less than 3 x initial specified value

Leakage

Within specified value

Useful life

After loading the capacitor for specified time at maximum category temperature Tmax. = 85 °C and derated

permissible maximum operating voltage U = 2.3 V, following parameters are valid within a timeframe of

2000 h:

Capacitance

Within ± 50 % of minimum initial specified value

ESR

Less than 4 x initial specified value

Leakage

Within specified value

Storage at upper

category temperature

After loading the capacitor of specified time at maximum category temperature Tmax. = 85 °C and without

charge and under 40 % RH, following parameters are valid within a timeframe of 1000 h:

Capacitance

Within ± 30 % of minimum initial specified value

ESR

Less than 3 x initial specified value

Leakage

Within specified value

Shelf life

Stored uncharged at 20 °C.

Parameter within initial specification

Cycle life

Cycles at 20 °C between rated voltage and half of rated voltage UR with constant current and 1 s rest between

charge and discharge: > 500 000 cycles

Capacitance

Within ± 30 % of minimum initial specified value

ESR

Less than 3 x initial specified value

Stored energy E,

specific energy Ed and Ev

E [Wh] = ½ x C x (UR)2 x 1/3600

Ed [Wh/kg] = ½ x C x (UR)2 x 1/3600 x 1/mass

Ev [Wh/L] = ½ x C x (UR)2 x 1/3600 x 1/volume

Soldering

Hand or wave soldering allowed. For details refer to soldering requirements for radial aluminum electrolytic

capacitors in supplementary document.

Cleaning

For printed circuit board cleaning apply non-aggressive cleaning agents only.

For details refer to cleaning requirements for aluminum electrolytic capacitors in supplementary document.

Environmental conditions

Do not expose capacitors to

• temperatures outside specified range

• high humidity atmospheres; except series 225 which is ruggedized for high humidity 85 °C and 85 % RH

• corrosive atmospheres, e.g. halogenides, sulphurous or nitrous gases, acid or alkaline solutions, etc.

• environments containing oil and grease

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