I recently replaced the super capacitor in the ITB-100HD (should be the same as SP and 250 as well) as it was no longer working (bought in 2013 and no longer wrote out the last video file or made its shutdown beeps), so I took a few snaps for those who might want to replace theirs.
Here's the original capacitor when removed:
It's a hybrid cap with two 2.7V caps in series on a PCB (which you could re-use to replace the individual caps if you prefer):
The capacitor measures 21mm x 17mm x 8mm. The datasheet is here - https://www.vina.co.kr/winko/data/product/SS_2_Serial_Module_VEC_5R4_155_QG.pdf
I have replaced it with an Eaton PHV-5R4V155-R - https://au.mouser.com/ProductDetail/PowerStor-Eaton/PHV-5R4V155-R/?qs=sGAEpiMZZMsCu9HefNWqppZeoL0TlRLCMsbS9rSSFyI=
It's a tiny bit larger, but still fits just fine.
Here's the new cap installed:
Here's the original capacitor when removed:
It's a hybrid cap with two 2.7V caps in series on a PCB (which you could re-use to replace the individual caps if you prefer):
The capacitor measures 21mm x 17mm x 8mm. The datasheet is here - https://www.vina.co.kr/winko/data/product/SS_2_Serial_Module_VEC_5R4_155_QG.pdf
I have replaced it with an Eaton PHV-5R4V155-R - https://au.mouser.com/ProductDetail/PowerStor-Eaton/PHV-5R4V155-R/?qs=sGAEpiMZZMsCu9HefNWqppZeoL0TlRLCMsbS9rSSFyI=
It's a tiny bit larger, but still fits just fine.
Here's the new cap installed:
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