I'm awaiting 3 x Seasonic SSP-250SUB PSUs to rekindle three Compact Macs, two SE and one SE/30. These were readily available at RS Components in Australia for ~ $73 AUD each - not cheap, but I couldn't find many Mini 1U replacements locally. Not bothing going O/S with purchases in the pandemic.
I started to recap the PSUs in these three Compacts (along with analog boards) and came to the following conclusions ...
# 1 SE had an Astec PSU which is considerably lighter and cheaper looking than the Sony equivalent - even if recapped I wouldn't trust it long term.
# 2 SE had an "Apple Singapore" PSU which is essentially a copy of the Sony CR-44; caps had leaked extensively into the casing and PCB. Deep cleaned and recapped its displaying exactly the same behaviour (flup flup flup sound no power to Mac), time to go - assume deeper damage than thought. I have another SE with the same Apple Singapore PSU in waiting, but believe its not as corroded.
# 3 SE/30 has a Sony CR-44 PSU which I will recap as it looks clean, however I will put this PSU aside hopefully working and install the Seasonic replacement for long term use.
Long term, how are others finding the Seasonic PSU replacement - does the fan ever turn on? To avoid drilling into the case, I'm considering making some custom risers and set these in place using JB Weld (I know ... but I've a Hackintosh with full size ATX board mounted the same in a G5 case and with enough JB Weld it'll hold forever, I'd like to think!)
JB