145
NOTE
Design, Specifications are subject to change without notice.
Ask factory for technical specifications before purchase and/or use. CAT.No.2004/2005E(2004.10.1)
ELECTRIC DOUBLE LAYER CAPACITORS “DYNACAP”
DS,DSK
Standard Ratings
Max. operating voltage(V) Rated capacitance(F) ø DxL(mm)ELNA Parts No.
2.5
3.3
DS-2R5D224 -HL
DSK-3R3H224 -HL
6.8x2.1
6.8x2.1
0.22
0.22
Series DS,DSK
Coin Cell Capacitors
• Reflow soldering method available.
• 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.
Outline Drawing Recommended land pattern size
Unit: mmUnit: mm
0.15±0.05
0.8±0.2
2.0±0.3
2.5±0.5
1.4±0.3
1.0±0.2
11.7Max.
3.0±0.2
4.0±0.2 2.8±0.2
0.15±0.05
6.8
Terminal shaped: H
5
_
0
0.5
4
_
0
0.5
2.0±0.18.3±0.11.7±0.1
Specifications
Item Performance
Series Name
Category temperature range (˚C)
Tolerance at rated capacitance (%)
Rated Capacitance (F)
Internal resistance(Ω)
at 1 kHz
Characteristics at high
and low temperature
Endurance
Shelf life Test time :
1000 hours ; Same as endurance.
−25 to +70 −10 to +60
DS series
Rated voltage (V) 2.5
DSK series
3.3
−20 to +80 −20 to +80
0.22
100
0.22
200
Percentage of capacitance change
Internal resistance
Within ±30% of the value at 20
˚C
Less than five times of the value at 20
˚C
Percentage of capacitance change
Internal resistance
Within ±50% of the value at 20
˚C
Within five times the initial specified value
Test temperature
Test time
Percentage of capacitance change
Internal resistance
70
˚C
1000 hours
Within ±30% of the initial measured value
Within four times of the initial specified value
Test temperature
Test time
Percentage of capacitance change
Internal resistance
60
˚C
1000 hours
Within ±30% of the initial measured value
Within four times of the initial specified value
DC
DCK
DS
DSK
For higher
voltage
tolerant
For higher
voltage
tolerant
Reflow soldering
Reflow soldering
∗Reflow soldering condition : 135 page.
Part numbering system (example: 2.5V0.22F, terminal shaped: H)
Environmental
item
Former item
DS — U or T HLH
Series code
2R5 224
Rated voltage
symbol
Rated capacitance
symbol
—
DS — HLH
Series code
2R5 224
Rated voltage
symbol
Rated capacitance
symbol
—
Part numbering system (example: 3.3V0.22F, terminal shaped: H)
Environmental
item
Former item
DSK — U or T HLH
Series code
3R3 224
Rated voltage
symbol
Rated capacitance
symbol
—
DSK — HLH
Series code
3R3 224
Rated voltage
symbol
Rated capacitance
symbol
—
