cr1220, LITHIUM COIN CELL,
“Lithium Coin”
Chemical System: Lithium / Manganese Dioxide (Li/MnO2)
Designation: ANSI-5012LC, IEC-CR1220
Nominal Voltage: 3.0 Volts
Typical Capacity: 37 mAh (to 2.0 volts)
(Rated at 45K ohms at 21°C)
Typical Weight: 0.8 grams (0.03 oz.)
Typical Volume: 0.25 cubic centimeters (0.02 cubic inch)
Max Rev Charge: 1 microampere
Energy Density: 153 milliwatt hr/g, 464 milliwatt hr/cc
Typical Li Content: 0.006 grams (0.0002 oz.)
Operating Temp: -30C to 70C
Self Discharge: ~1% / year