V 389 MF
Mercury - free
Primary Silver
Data Sheet
Date of Issue: 02.12.2009 Subject to change without prior notice !
VARTA Microbattery GmbH
Daimlerstraße 1, 73479 Ellwangen, Germany
Tel.: +49 79 61 921-0
Telefax: +49 79 61 921-553
Fo_171
Type Number ……………………………
Designation IEC ………………………..
System …………………………….……..
Nominal Voltage ………………………..
Typical Capacity C ……………….…….
Load 5.6 kOhm, at 20°C down to 1.2 V
Weight (approx.) …………………………
Volume ……………………………………
Coding……………………………………..
Temperature Ranges
Storage ……………………………………
Discharge …………………………………
Dimensions
Diameter ()...…………………………….
Height (A/B) ………………………………
Segment …………………………………..
Main Applications …………………..…..
Typical Capacities (at 20°C)
20389
SR54
Silver oxide / Zinc /
KOH - Electrolyte
1,55 V
81 mAh
1,31 g
0,28 ccm
Date of Manufacturing
Month/Year
min max.
-10°C 65°C
-10°C 65°C
min max.
11,25 11,60
2,75 3,05
Watch / High Drain
Watch
Photo
Electronic
Discharge Type Load End Voltage: 1.2 V
Continuous 5600 Ω Time: 295 h
24h/d,7d/w Capacity [mAh]: 81
Current [µA]: 275 Energy [mWh]: 124