Wide temperature range compatible, 3V type! Operating temperature range -40°C to +85°C lithium secondary battery.
The MS621T is a lithium secondary battery that improves characteristics at high and low temperatures while maintaining the features of the conventional MS series. In addition to high reliability with a capacity retention rate of over 90% after being stored at 85°C for 100 days, it can be used in a wide temperature range from -40°C to 85°C. Examples of applications include electronic devices where concerns about internal temperature rise due to miniaturization and multifunctionality exist, as well as automotive equipment, camera equipment, and meter devices. 【Features】 ■ Operates over a wide temperature range ■ High reliability ■ Long cycle life: 100 cycles (100% depth of discharge) ■ RoHS compliant ■ UL certified *For more details, please refer to the PDF document or feel free to contact us.
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【Specifications】 ■Nominal Voltage (V): 3 ■Charging Voltage (Standard Charging Voltage) (V): 2.8 to 3.3 (3.1) ■Nominal Capacity (mAh): 3.0 ■Internal Impedance (Ω): 80 ■Operating Temperature Range (°C): -40 to +85 ■Dimensions Diameter (mm): 6.8 ■Dimensions Height (mm): 2.1 ■Weight (g): 0.23 *For more details, please refer to the PDF document or feel free to contact us.
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【Usage】 ■ Memory and RTC backup (backup power for clock function) *For more details, please refer to the PDF document or feel free to contact us.
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Seiko Instruments Inc. (SII) was established in 1937 as a watch manufacturing company within the Seiko Group. Starting from the production of wristwatches that require high precision and meticulousness, SII has developed a wide range of businesses, including machine tools boasting sub-micron processing accuracy, precision parts manufacturing, electronic components such as quartz oscillators and micro batteries developed during the process of quartz watch development, thermal printers that are compact, lightweight, and excel in quiet operation, and inkjet print heads, which are core components of large commercial inkjet printers. Moving forward, SII aims to continue its manufacturing that responds to societal needs with the "artisan, small, and efficient" technologies that have been passed down since its founding.