DATA SHEET CR1220 Lithium Manganese Dioxide Battery Dimensions(mm) Specifications 3V Nominal Voltage 12.5mm Diameter 2.0 40mAh Nominal Capacity ( 2.0V cutoff) Height 2.0mm 0.1mA Standard Discharge Current 0.8g Weight +0 (-) +0 0.1min. 10 2.0 -0.2 12.5 -0.3 (+) Applications SRAM Electronic Watch or Clock Electronic Calculator Memory Back-up Power Source for SRAM or Real Time Clock (RTC) Discharge Characteristics (Temp.)23 4.0 3.0 Voltage 2.0 10k Discharge load 30k Discharge load 1.0 0.0 0 100 200 300 Discharge time Sony Corporation 400 500 DATA SHEET Discharge Characteristics on Load Discharge Characteristics on Temperature (Temp.)23 3.0 2.0 Load)30k 4.0 10k Discharge load Voltage Voltage 4.0 30k Discharge load 1.0 3.0 2.0 1.0 23 10 60 0.0 0.0 0 100 200 300 400 0 500 100 200 300 40% Discharge Load vs. Operation Voltage (Discharge depth 40%) Discharge Load vs. Discharge Capacity 3.2 Discharge capacity Voltage (Cut off)2.0V 50 3.0 2.8 23 2.6 2.4 2.2 1 10 100 40 30 20 10 23 0 mAh 0.1 1 (k) Discharge Characteristics on Pulse Load (Discharge depth 40%) Storage Characteristics 15sec.Pulse length for 15sec) Load)30k (Temp.)23 4.0 2.0 23 Voltage 100 Load resistance 40% Voltage 10 (k) Load resistance 3.0 500 Discharge time Discharge time 400 10 1.0 initial 3.0 2.0 60100 5 1.0 Storage at 60 for 100 days is equivalent to storage at room temperature for 5 years 0.0 10 100 1000 10000 0.0 0 () Pulse load 100 200 300 Discharge time Voltage 15sec. Pulse ength (sec.) Time * * Data is not guaranteed, and is provided for reference purposes only. Sony Corporation 400 500