Micro Battery

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Size Matrix

Diameter Hight
2.05mm 2.6mm 3.05mm 3.6mm 4.2mm 5.4mm
7.9mm LR41
11.6mm LR1120 LR1130 LR43 LR44

Dimensions(mm)

Dimensions

Model JIS
(IEC)
Electriccal Characteristics Dimensions Mass
(g)
Nominal
Voltage
(V)
Nominal
Capacity
(mAh)
Diameter
(mm)
Φ A
Height
(mm)
D
Boss
Diameter
(mm)
Typ. Φ B
Clearance
(mm)
C
LR44 LR44 1.5 120 11.6(+0,-0.35) 5.40(+0,-0.40) 5.9 0.08min. 2
LR43 LR43 1.5 110 11.6(+0,-0.35) 4.20(+0,-0.40) 6.3 0.08min. 1.5
LR1130 LR54 1.5 70 11.6(+0,-0.35) 3.05(+0,-0.30) 7.9 0.08min. 1.2
LR1120 (LR1120) 1.5 45 11.6(+0,-0.35) 2.05(+0,-0.20) 8.7 0.06min. 0.8
LR41 LR41 1.5 45 7.9(+0,-0.35) 3.60(+0,-0.30) 5.0 0.08min. 0.6

*Typical data.

Specifications of Button Type Alkaline Manganese Batteries

Discharge Characteristics vs. Temperature/Capacity

Specifications
Model Nominal
Voltage
(V)
Nominal
Capacity
(mAh)
Electrical Characteristics Dimensions Mass
(g)
Discharge time(h) 0.9V Diameter
(mm)
Height
(mm)
load
(KΩ)
60°C 23°C -10°C
LR44 1.5 120.0 4.7 405 420 375 11.6 5.40 1.95
LR43 1.5 100.0 6.8 490 505 455 11.6 4.20 1.51
LR1130 1.5 65.0 10 465 480 430 11.6 3.05 1.16
LR1120 1.5 33.0 22 520 540 485 11.6 2.05 0.79
LR41 1.5 30.0 22 475 490 440 7.9 3.60 0.59

*Typical data.

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Primary Battery
  • Coin Manganese Dioxide Lithium Batteries
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  • Button Type Alkaline manganese Batteries

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