[sdiy] Tantalum alternatives for re-capping?
Roman Sowa
modular at go2.pl
Mon Jan 5 11:19:45 CET 2026
That's so funny how times change. Back in the 90's I did the oposite -
cut the leads of THT parts to make it SMD :)
Roman
W dniu 2026-01-05 o 00:28, cheater cheater via Synth-diy pisze:
> You can turn any SMD part into through-hole by using two pieces of
> solid wire and some heat shrink.
>
> Personally, for simplicity, I suggest using a modern, high quality,
> through-hole electrolytic. They'll have better behavior both for audio
> and for rails than tantalum caps while remaining a similar size.
>
> For DC blocking caps I suggest MKT capacitors.
>
> On Fri, Jan 2, 2026 at 8:46 PM Colin Hinz via Synth-diy
> <synth-diy at synth-diy.org> wrote:
>>
>> Hello all,
>>
>> Slightly off-topic, but I am re-capping an old (circa 1977) MXR Digital
>> Delay and am wondering about the numerous small tantalum capacitors that
>> are in this unit. Should I leave them be? Replace them with new solid
>> tantalum parts? Replace them with some other technology?
>>
>> Unfortunately the replacements need to be through-hole parts, which
>> rules out some of the whizz-bang technologies touted as tantalum
>> replacements, such as niobium oxide.
>>
>> Thoughts?
>>
>> - Colin
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