309 SR754SW (SR48) Watch Battery OEM Swiss Made Technical Data Sheet Specifications Chemical system Nominal Voltage Capacity Operating Temperature* Self Discharge Weight Zinc / Monovalent Silver Oxide, low drain 1,55 V 80 mAh, Discharge over 20 k at 20C to 1,2 V -10C - 60C Less than 5% per year at 20C ~1,09 g Dimensions min. 3,5 7,90 mm (0,311") 5,40 mm (0,213") 5,4 Diameter Height min. 0,08 0 -0,25 (according IEC 60086-3) 7,9 0 -0,15 Discharge Curve 1.7 Constant Load Starting Drain Temperature Voltage [V] 1.6 20 k 78 A 20C 1.5 1.4 1.3 1.2 1.1 0 200 400 600 800 1000 1200 Time [h] Information and contents in this data sheet are for reference purpose only. They do not constitute any warranty or representation and are subject to change without notice. For most current information and further details, please contact your Renata representative. For safety related information please consult the PSDS document related to that product or product family. *Condensing humidity not allowed Rev. 309MF_OEM.04 2014.10 Renata SA CH-4452 Itingen/Switzerland Tel. +41 (0)61 975 75 75 Fax. +41 (0)61 975 75 95 sales@renata.com www.renata.com Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Renata: 309.TS 0% HG 309.MP 0% HG