AUGUST 2005

LITHIUM HANDBOOK

This information is generally descriptive only and is not intended to make or imply any representation, guarantee or warranty with respect to any cells and batteries. Cell and battery designs/specifications

are subject to modification without notice. Contact Panasonic for the latest information.

■ Dimensions(mm)

Weight:0.8g

■ Specification

BR1225

■ Operating voltage vs. load resistance (voltage at 50% discharge depth)

■ Capacity vs. load resistance

Duration(h)

Load

60˚C

20˚C

3.2

3.0

2.8

2.6

0.3 0.4

0.6

1

0.1

0.2

-10˚C

~

~

46

8 10

23

0.3

0.5

1

20

5

10

2

3

2.4

2.2

80˚C

Load

Cut-off voltage:2.0V

60

50

40

30

20

10

0

(k

(mA)

Load:

0.5

0.3

0.2

0.1

0.05

0.03

4

5

6

8

10

20

30

40 50

60

80 100

-10˚C

0˚C

20˚C

45˚C

60˚C

Nominal voltage (V)

Nominal capacity (mAh)

Continuous standard load (mA)

Operating temperature (C)

3

48

0.03

-30 ~ +80

■ Temperature Characteristics

BR1220

10

Duration (h)

Load: 30k

Ω (90µA)

0

100

200

150

250

400

450

300

350

50

3.0

2.5

2.0

20˚C

60˚C

-10˚C

~

~

Load:

20

10

5

3

2

1

0.5

0.3

0.1

0.2

0.3 0.4

0.6

1

2

3

4

6

8 10

3.2

3.0

2.8

2.6

2.4

2.2

60˚C

20˚C

-10˚C

~

~

■ Capacity vs. load resistance

30

20

10

40

68

10

2

4

40

60 80

0.03

0.05

0.3

0.5

0.1

0.2

1

0

60˚C

20˚C

-10˚C

20

100

Load

Cut-off voltage

■ Dimensions(mm)

■ Specification

■ Temperature Characteristics

■ Operating voltage vs. load resistance(voltage at 50% discharge depth)

Weight:0.7g

Nominal voltage (V)

Nominal capacity (mAh)

Continuous standard load (mA)

Operating temperature (C)

3

35

0.03

-30 ~ +80

Poly-carbonmonofluoride Lithium Coin Batteries: Individual Specifications