Number : 10000690
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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