Number : 10000690

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Surface Buck surface

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Current appearance

　CPH3225A

13-Mar-2018

1. Charge-Discharge Characteristics

2. Charge-Discharge Cycle Characteristics

3. Charge time Characteristics

4. Discharge current Characteristics

5. Temperature Characteristics

6. Float Charge Characteristics

7. High Temperature High Humidity

Storage Characteristics

8. Leak Current

Seiko Instruments Inc.

Reliability Data(Current case/New Case)

　CPH3225A

[Charge-Discharge Condition]

Charge 3.3V 1mA　120min, RT

Discharge 5uA, cov.=0V

*Data are not guaranteed but reference values.

1.Charge-Discharge Characteristics

Seiko Instruments Inc.

13-Mar-2018

CC / CV

CC

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

0 2 4 6 8 10

Voltage (

V)

Capacity (uAh)

Charge-Discharge Characteristics

Current case New case

CPH3225A

[Charge-Discharge Condition]

Charge 3.3V 1mA 120min, RT

Discharge 5uA, cov.=2.0V

[充放電条件_2]

*Data are not guaranteed but reference values.

Seiko Instruments Inc.

2.Charge-Discharge Cycle Characteristics13-Mar-2018

CC / CV

CC

0

20

40

60

80

100

120

0 1000 2000 3000 4000

Capacity R

ete

ntion R

atio (

%)

Cycle Number

Charge- Discharge Cycle Characteristics

Current case New case

　CPH3225A

[Charge-Discharge Condition]

Charge 3.3V, 10mA, *min, RT

Discharge 5uA, cov.=2.0V

*Data are not guaranteed but reference values.

3.Charge time Characteristics

Seiko Instruments Inc.

13-Mar-2018

CC / CV

CC

0

20

40

60

80

100

120

0 1 10 100 1000

Capacity R

ete

ntion R

atio (

%)

Charge time (min)

Charge time vs. Capacity Retention Ratio

Current case New case

　CPH3225A

[Charge-Discharge Condition] Charge 3.3V, 10mA, 120min, RT

Discharge *uA, cov.=2.0V

*Please note the aged deterioration when you use this capacitor by a big current.

*Data are not guaranteed but reference values.

Seiko Instruments Inc.

4.Discharge current Characteristics13-Mar-2018

CC / CV

CC

0

20

40

60

80

100

120

1 10 100 1000

Capacity

Rete

ntion R

atio (

%)

Discharge Current (uA)

Discharge Current vs. Capacity Retention Ratio

Current case New case

　CPH3225A

[Charge-Discharge Condition] Charge 3.3V, 1mA, 120min

Discharge 5uA, cov.=2.0V at each temp.

* Internal impedance measured at 1kHz A.C.

*Data are not guaranteed but reference values.

Seiko Instruments Inc.

5.Temperature Characteristics13-Mar-2018

CC / CV

CC

0

20

40

60

80

100

120

-30 -20 -10 0 10 20 30 40 50 60 70 80 90

Capacity R

ete

ntion R

atio (

%)

Temperature (deg-C)

Temperature vs. Capacity Retention Ratio

0

200

400

600

800

1000

1200

1400

1600

-30 -20 -10 0 10 20 30 40 50 60 70 80 90

Inte

rnal im

pedance (

ohm

)

Temperature (deg-C)

Temperature vs. Internal impedance

Current case New case

Current case New case

　CPH3225A

[Storage Condition] 60deg.-C, 3.3V Impressed

[Charge-Discharge Condition] Charge 3.3V, 1mA, 120min

Discharge 5uA, cov.=2.0V

* Internal impedance measured at 1kHz A.C.

*Data are not guaranteed but reference values.

Seiko Instruments Inc.

6. Float Charge Characteristics 13-Mar-2018

CC / CVCC

0

20

40

60

80

100

120

0 5 10 15 20

Capacity

Rete

ntion R

atio (

%)

Storage Period (days)

Storage Period vs. Capacity Retention Ratio

0

500

1000

1500

2000

2500

3000

3500

4000

0 5 10 15 20

Inte

rnal im

pedance (

ohm

)

Storage Period (days)

Storage Period vs. Internal impedance

Current case New case

Current case New case

　CPH3225A

[Storage Condition] 60deg.-C, 90%Rh

[Charge-Discharge Condition]

Charge 3.3V, 1mA, 120min

Discharge 5uA, cov.=2.0V

* Internal impedance measured at 1kHz A.C.

*Data are not guaranteed but reference values.

Seiko Instruments Inc.

7. High Temperature High Humidity Storage Characteristics

13-Mar-2018

CC / CV

CC

0

20

40

60

80

100

120

0 5 10 15 20

Capacity R

ete

ntion R

atio (

%)

Storage Period (days)

Storage Period vs. Capacity Retention Ratio

0

200

400

600

800

1000

0 5 10 15 20

Inte

rnal im

pedance (

ohm

)

Storage Period (days)

Storage Period vs. Internal impedance

Current case New case

Current case New case

　CPH3225A

[Charge Condition] Charge CV 3.3V RT

*Data are not guaranteed but reference values.

Seiko Instruments Inc.

8.Leak Current13-Mar-2018

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

0 2 4 6 8 10

Leak C

urr

ent

(uA

)

Charge time (day)

Charge time vs. Leak Current

Current case New case

CURRENT

NEW