Transcript
Cell Type ML421 Specifications Nominal Capacity*1 Nominal Voltage Standard Charge/Discharge Current 2.3mAh 3V 0.005mA 0.2mA Continuous *2 Pulse*3 0.6mA Discharging Depth of 5% 3000 Discharging Depth of 20% 300 3.1±0.15V Constant Voltage Charge Hight Temperature 2.95±0.15V -20℃～60℃ 0.1g Diameter(D) 4.8mm Height(H) 2.1mm Max. Discharge Current Charge/Discharge Cycle Characteristics Charging Method Temperature Range Weight D H Dimensions *1 Nominal capacity is determined to an end voltage of 2.0V when the battery is allowed to discharge at a standard current level at 23oC. *2 Current value is determined so that 50% of the nominal capacity is obtained with an end voltage of 2.0V at 23 oC. *3 Current value for obtaining 2.0V cell voltage when 15sec. pulse is applied at 50% discharge depth at 23 oC. Typical Characteristics Charging Voltage vs. Capacity of ML421 Temperature Characteristics of ML421 2.5 3.5 3.0 Cell Voltage(V) Discharge Capacity(mAh) Charging voltage: 3.0V Load: 300K ohm 2.0 1.5 1.0 Charging Conditon(discharged cell to 2.0V) Load:3kohm Temp.: 23 oC Charging Duration : 50hours Discharging condition Load : 300kohm Temp.: 23 oC End Voltage : 2.0V 0.5 2.8 3.0 0 Discharge Characteristics after Storage of ML421 Voltage at end of discharge (V) Cell Voltage(V) 3.0 2.5 2.0 after 40days storage at 60 oC 1.5 1.0 100 150 200 Duration(hour) 250 300 100 200 300 Duration(hour) 400 3.0 Discharge Condition Load : 300kohm Temp.: 23 oC 50 23 oC Charge/ Discharge Cycle Characteristics of ML421 3.5 0 -20 oC 1.0 3.2 Charging Voltage(V) 60 oC 2.0 1.5 0 2.6 2.5 350 400 2.5 2.0 1.5 Charge: 0.05mA 3.0V cut-off Discharge: 0.05mA X 4h Temp.: 23 oC 1.0 0.5 0 0 100 200 300 Number of Cycles 400 500 600
