GP Batteries GP397 042397A1 Data Sheet
Product codes
042397A1
05990I269
Data Sheet
Model No.: GP397
Typical Discharge Characteristics at 20
°
C
Description
: Silver Oxide Low Drain Button Cell
Nominal Voltage
: 1.55 Volts
Nominal Dimensions : Ø7.90 X 2.65mm
Application
: Analog watch
Average Weight
: 0.5g
Shelf Life
: Not less than 90% of the
service capacity, following
1st year storage at 20
°
C.
Date Code
: Unless otherwise specified,
each cell will carry a numeric
year code and an alphabetical
month code.
Nominal Service Life : 960 hrs (at 50k
Ω
Load)
(to 1.2V at 20
°
C)
160 days (at 200k
Ω
Load)
Average Service Capacity:
30 mAh (rated capacity at 50k
Ω
load,
cut off voltage 1.2V at 20
°
C)
Close circuit voltage:
1.25 Volts (min.) (load resistor 200
Ω
at
20
°
C for 1 to 2 seconds)
1.4
1.2
1.0
0.8
0
200
400
600
800
1000
Service Hours
Load resistor 50k
Ω
V
oltage
Unit : mm
Ø4.5 (ref.)
+0
Ø7.90 –0.15
+0
2.65 –0.30
0.20
(ref
.)
0.15
(ref
.)
BRS0233 REV. 0
Cross Reference:
IEC
JIS
EVEREADY
VARTA
DURACELL
PANASONIC
SONY
SR59
SR59
397
V397
D397
SP397
SR726SW