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Lithium Batteries - Batteries N More

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PIN TYPE LITHIUM BATTERIES Dimensions (mm) Cutaway view 4.2 +0 -0.2 1.0±0.05 - 1.0±0.05 + 25.9 +0 -1.9 5.0 +1.0 -0.5 + Anode cap 35.9 +0 -1.9 - 5.0 +1.0 -0.5 4.2 +0 -0.2 BR425 Gasket Collector Cathode (graphite fluoride) Seperator Anode(lithium) BR435 Overview Applications Pin type lithium batteries were first introduced by Panasonic. The predominant use of pin type batteries has been as the power supply for LED night fishing floats. • • • • LED night fishing floats Fishing pole tip lights Various illuminations Toys Features • • Voltage as high as 3 V, about twice that of dry batteries The nominal voltage is 3 V, about twice that of manganese and alkaline button batteries. A single pin type lithium battery can light an LED. Unique slim pin shape They are slim, high energy-density batteries contained in an aluminum casing. Lithium Batteries Handbook, Page 62 January 2000 PIN TYPE LITHIUM BATTERIES - CONTINUED Specification Table Electrical characteristics 20°C Model No. JIS BR425 BR435 IEC ----- Nominal voltage (V) Nominal *1 capacity (mAh) 3 3 25 50 ----- Dimensions (Max.) Continuous drain Maximum (mA) 4 6 Standard (mA) 0.5 1 Diameter (mm) 4.2 4.2 Approx. weight (g) Height (mm) 25.9 35.9 0.55 0.85 * 1 Nominal capacity shown above is based on standard drain and cut off voltage down to 2.5 V at 20°C Individual data sheets BR425 BR435 Discharge temperature characteristics Discharge temperature characteristics 3.0 Load: 5K (0.5mA) 50˚C Voltage (V) Voltage (V) 3.0 2.5 20˚C 2.0 Load: 2.5K (1mA) 50˚C 2.5 20˚C 2.0 0˚C -10˚C -10˚C 0˚C 0 10 20 30 40 0 50 10 20 Discharge load vs. operating voltage 2.6 1.8 Load: (k ) (mA) Voltage (V) 50˚C 20˚C Discharge capacity (mAh) 10 3 2.5 1.4 1.2 4 Voltage at 50% discharge depth 5 6 7 8 9 10 0 20˚C 0.6 0.8 0.5 20˚C 0˚C -10˚C Cut off voltage: 1.8V 1.4 3 1.2 1 4 0.8 1 2.8 1.5 2.0 2 1.75 1.5 Voltage at 50% discharge depth 3 4 5 2.5 1.25 1.0 0.8 0.7 0.6 Discharge load vs. capacity 50˚C 2 Load: (k ) 0.3 0.4 -10˚C 1.8 (mA) 1 5 Load: (k ) (mA) 2.2 0˚C -10˚C 2 20 15 50˚C 2.0 Discharge load vs. capacity 25 2.4 0˚C 5 0.6 6 0.5 7 0.4 8 9 10 0.3 Discharge capacity (mAh) Voltage (V) 2.0 50 2.8 2.6 2.2 40 Discharge load vs. operating voltage 2.8 2.4 30 Duration (h) Duration (h) 50 50˚C 40 30 20 20˚C 0˚C 10 -10˚C Cut off voltage: 1.8V 0 Load: (k ) (mA) 1 2.8 1.5 2.0 Lithium Batteries Handbook, Page 63 1.75 1.5 2 3 2.5 1.25 1.0 4 0.8 0.7 5 0.6 January 2000