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STMicroelectronics Release New Paper-Thin Lithium Film Batteries
Ideal for Small Spaces with a Thickness of Less Than 0.25mm
STMicroelectronics has begun limited production of its EnFilm™ advanced rechargeable batteries that are less than 0.25mm thick.
These paper-thin batteries free designers from the constraints of standard battery sizes and
are ideal for use in powering the next generation of personal technology and Internet-of-Things (IoT) devices.
At just 220µm thick and measuring 25.7mm x 25.7mm, ST's EFL700A39 EnFilm™ solid-state lithium thin-film battery
is perfectly suited for use in ultra-low-profile devices.
Surface-mount terminals allow direct attachment to the circuit board, which simplifies assembly and eliminates wires and connectors.
Optional tape-and-reel packaging allows high-speed automated placement.
With 3.9V nominal voltage and 0.7mAh capacity, the EFL700A39 can power a wide range of applications.
Its lithium technology recharges rapidly from a 4.2V charging circuit and displays low capacity loss as well as long cycle life
allowing some 10 years of use if charged once per day.
The EFL700A39 is RoHS compliant and UL1 certified, satisfies UN2 tests and criteria for battery transportation,
meets IEC 62133 safety specifications, and meets the ISO7816/IEC10373 mechanical and flexibility standards for smart cards.
ST is ready to fulfill orders for engineering samples and small production quantities, targeting applications including wireless sensor nodes,
RFID tags, smart cards, wearable technology, non-implantable medical monitors, and back-up or storage for energy-harvesting devices.
The unit price is $30.00 for orders of five units.
The company's Web site address is ST.com
[Reprinted with kind permission from STMicroelectronics]