shevalier wrote on 2026-08-11, 17:44:

... For those who are too young for this shit and don't know what the first Sanyo OS-CON polymer capacitors (~1985y) looked like ...

Sanyo OS-CON polys and MV-GX lytics were the top stuff in the 1990s. Most datasheets of the time reference them, example:

Did panasonic buy them?
Might explain why I couldn't find the original specs when I looked months ago

https://www.techpowerup.com/gpu-specs/quadro- … c1368#gallery-1

myne wrote on 2026-08-13, 00:11:

Did panasonic buy them?
Might explain why I couldn't find the original specs when I looked months ago

https://www.techpowerup.com/gpu-specs/quadro- … c1368#gallery-1

https://sy-dep-epc-lpc.web.cern.ch/comp ... N%20SH.pdf
https://www.cyfronika.com.pl/dok/sanyo_oscon.pdf
https://elba-elektro.nl/files/public/OSCON_SG_1998.pdf
If you are talking about Sanyo OS-CON, their old datasheets are quite accessible.
As for the newer SEP/SEG series, I haven't looked, but Panasonic acquired Sanyo's capacitor business around 2000.
I think they are more than available.

myne wrote on 2026-08-13, 00:11:

Did panasonic buy them? ...

Yep: Panasonic OS-CON

.

Amongst many other things, they also inherited the Eneloop batteries: