krupski:
My cap looked very similar... except the aluminum can blew completely off.
That supply had a cover over it, the blue plastic condom on the can was squashed up against inside of the cover.
Under the blue condom the can is squished.
The power supply still worked, it was the smoke that alerted the customer that something was possibly wrong.
Its part of a 800V DC bus for a microwave power inverter.
Tom... 