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NOTE

Design, Specifications are subject to change without notice.

Ask factory for technical specifications before purchase and/or use.

ELECTRIC DOUBLE LAYER CAPACITORS “DYNACAP”

DCK

Coin Cell Capacitors



Unlike batteries, the number of charging/

discharging cycles unlimited and rapid

charging / discharging is possible.



High reliability, Safe and unlike secondary

batteries, this is pollution free devices.

■ SPECIFICATIONS

Item

Performance

Max. operating voltage

3.3V

Category Temperature Range



10℃~+60℃

Tolerance at rated capacitance



20%~+80%

Internal resistance

at 1 kHz

Size code

614

621

Rated capacitance (F)

0.2

0.4

Internal resistance ()

200

200

Characteristics at high

and low temperature

Size code

614

621

Rated capacitance (F)

Within ±50% of the value at 20℃

Within ±50% of the value at 20℃

Internal resistance ()

Less than five times the initial specified value Less than ten times of the value at 20℃

Endurance (60℃)

Size code

614

621

Test time and temp

60℃ 1000 hours

60℃ 500 hours

Rated capacitance (F)

Within 30% of the initial measured value

Within 40% of the initial measured value

Internal resistance ()

2k Max.

800 Max

Shelf life (60℃)

Same as endurance.

Applicable standards

Conforms to JIS C5160-1 2009 (IEC 62391-1 2006)

■ OUTLINE DRAWING

Unit：mm

Part numbering system (example : 621, 3.3V0.22F, terminal shaped : E)

DCK

─

3R3

E

224

□

─

E

Series code

Max. operating voltage

symbol

Rated capacitance

symbol

Additional

symbol

Part number is refer to below table.

■ STANDARD RATINGS

Max. operating voltage (V)

Rated capacitance (F)

ELNA Parts No.



DL (mm)

3.3

0.2

DCK-3R3E204T614-E

6.81.4

3.3

0.22

DCK-3R3E224U-E

6.82.1

3.3

0.4

DCK-3R3E404T-E

6.82.1

GREEN

CAP

60℃

Marking color：White print on an indigo sleeve