Data Sheet Model No.: CR1220
Description : Flat Lithium Battery
Chemical system : Lithium Manganese Dioxide
Nominal voltage : 3 Volts
Nominal capacity : 36mAh
Dimensions : ø12.5 x 2.0mm
Shelf life : 5 years at room temperature
Average weight : 0.8 grams
Applications : watch, calculator, camera and
memory back up.
Dimension
Drawing
Diameter: 12.5mm
Height: 2mm
+0
ø12.5
- 0.2
maxø9.8
( - )
0.05min
+0
+0
- 0.2
- 0.2
2.0
2.0
Discharge Characteristics on load
At 23˚C
Voltage ( V )
4.0
3.0
2.0
1.0
Load: 30KΩ
Load: 10KΩ
0
100 200 300 400 500
Discharge time ( Hours )
Discharge characteristics on temperature
Load 30KΩ
60˚C
Voltage ( V )
4.0
3.0
2.0
1.0
23˚C
-10˚C
00
100 200 300 400 500
Discharge time ( Hours )
( + )
Discharge load vs Discharge capacity
50
40
30
20
10
Capacity (mAh)
0
0 1 10 100
23˚C
Load (kΩ)
Cut off 2.0V
Cross Reference:
IEC JIS Eveready Varta
CR1220 CR1220 ECR1220 CR1220
Discharge characteristics on pulse load
(Discharge depth 40%)
Excellent low-impedance characteristics
3.0
23˚C
2.0
1.0
Voltage ( V )
0
10 100 1000 10000
-10˚C
Pulse load (Ω)
Pulse Load for 15 Sec
3.0
15 Sec
Voltage (V)
Time
Sec
03000I765