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MS920SE Datasheet(PDF) 1 Page - Seiko Instruments Inc |
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MS920SE Datasheet(HTML) 1 Page - Seiko Instruments Inc |
1 / 4 page 6 Micro Battery 2007-2008 MS Lithium Rechargeable Battery 3V Type MS412FE/MS518SE/MS614E/MS614SE/MS621FE/MS920SE MS (Manganese Silicon) lithium rechargeable batteries, developed by Seiko Instruments Inc., use silicon oxide as the anode and a lithium manganese composite oxide as the cathode. As a result, they offer long cycle life and highly stable overdischarge characteristics. • Backup power supply for memory or clock function in various types of electronic equipment for mobile communication, office automation, audio-visual equipment, mobile information equipment, etc. (cellphone, PHS, cordless phone, pager, memory card, fax machine, PC, video camera, digital camera, tuner, handy terminal, PDA, etc.) • Hybrid power supply in combination with solar cells. • Main power supply for small and slim portable equipment. Gasket Negative cap Negative electrode Separater Positive electrode Positive case <Cross Section> MS412FE MS518SE MS614E MS614SE MS621FE MS920SE 0.07 0.13 0.17 0.17 0.23 0.47 Type 3 3 3 3 3 3 1.0 3.4 2.3 3.4 5.5 11.0 0.010 0.010 0.015 0.015 0.015 0.050 0.10 0.15 0.25 0.25 0.25 0.80 100 100 100 100 100 100 1000 1000 1000 1000 1000 1000 4.8 5.8 6.8 6.8 6.8 9.5 1.2 1.8 1.4 1.4 2.1 2.1 100 60 50 80 80 35 Nominal Voltage (V) Nominal Capacity (mAh)*1 Standard Charge/ Discharge Current (mA) Internal Impedance ( Ω)*2 Charge Voltage (Standard Charge Voltage)*6 (V) Maximum Discharge Current (Continuous) (mA)*3 100%*5 D.O.D. (Depth of Discharge) 20%*5 D.O.D. (Depth of Discharge) 2.8 to 3.3 (3.1) 2.8 to 3.3 (3.1) 2.8 to 3.3 (3.3) 2.8 to 3.3 (3.1) 2.8 to 3.3 (3.1) 2.8 to 3.3 (3.1) Size (mm) Diameter Height Weight (g) Cycle Life (Time)*4 FEATURES • Large discharge capacity : For high operational voltage range of 3.3V to 2.0V. • Long cycle life : Cycle life of over 100 cycles under charge/discharge conditions of 3.3V to 2.0V (D.O.D.100%). • Excellent overdischarge characteristics : Continued stable capacity characteristics even after the battery is overdischarged down to 0.0V. • Operation over a wide temperature range: Operating temperature range : −20°C to +60°C Consult us for using the battery at a temperature beyond the above temperature range. • RoHS Compliant APPLICATIONS SPECIFICATIONS *1. Nominal capacity: Typical value of discharge capacity between 3.1V and 2.0V (Note that the discharge capacity of MS614E is between 3.3V and 2.0V.) *2. Internal impedance is measured using an AC (Alternating Current) method at the fully charged state. *3. Maximum discharge current indicates the value of a current for approximately 50% of the nominal capacity. *4. Cycle Life indicates the times charge/discharge is repeated for approximately 50% of the capacity values in the specification sheet. *5. 100% and 20% are based on nominal capacity. *6. A constant voltage charge is recommended, but due to a limit in charge current, it is necessary to insert a resistor to regulate the charge current. Contact us for further details. If a constant current charge is required, contact us for more information. |
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