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rpaddock 2 hours ago

For anyone that wants to see a real data sheet:

Nominal Voltage: 4.0V High Power and Energy Densities Cycle Life > 50K Cycles Capacitance Range: 10F-1200Farads

https://abracon.com/product-lineup/frequency-control-timing-...

Note that the original data sheets said that these could be wave soldered. ABSOLETLY NOT. Even hand soldering they must be treated with respect, a lot of respect.

One of the major problems with these is there a minimal voltage that they must not go below. Their life gets shortened. I've never seen data on how much.

To my knowledge Li-Ion Capacitors were first introduced to the market by Taiyo-Yuden in 2010. They are no longer in this market. I wrote a blog about it back then:

http://blog.softwaresafety.net/2010/11/introducing-lithium-i...

rpaddock 2 hours ago | parent [-]

The direct link to the data sheet:

https://abracon.com/datasheets/AHCR-S04R0S.pdf