"Adrian Tuddenham" wrote in message
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Rod Speed wrote:

Adrian Tuddenham wrote
[...]
For a given energy storage capacity, capacitors are smaller,
lighter and cheaper than metal-cored chokes, but it is a lot
more difficult to make them as reliable in the long term.

Yes, but in practice its long term enough with PC power supplys.

...but not when the PSUs also have to fit into the cap of a light bulb

Sure, but that doesn’t happen with the ones with an external power supply.

and under-cut the price of the nearest rival.

Happens in spades with PC power supplys.