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Sanyo lithium battery dimensions and models are as follows:
Coin Type Lithium Batteries
Model numbers are based on a code, as shown by the following examples:
Cylindrical Type Primary Lithium Batteries
(unit : mm)
(unit : mm)
Example 1 Example 2 Example 3 Example 4
C R 20 25 2 CR -1/3N CR 17 450 E-R CR 17 335 S E
height (2.5mm) height (1/3 of N size) rupture vent laser-welding
diameter (20.0mm)
for connection in series (2)
laser-welding bobbin structure
shape (round) height (45.0mm) height (33.5mm)
type diameter (17.0mm) diameter (17.0mm)
manganese dioxide/
primary lithium battery
Example 5
ML : Manganese Dioxide Rechargeable Lithium Batteries
reflowable
NBL : Niobium Rechargeable Lithium Batteries
Sizes and Models of Lithium Batteries