There is a mains rectifier and filter, a pair of high-voltage power transistors that switch the resulting DC at a few tens of ... There will also be a standby 5V supply using another small ...

Input-to-output isolation is 5000VDC, input-to-ground 3100VDC, and output-to-ground is 750VDC. The D1SE models are convection-cooled and rated for operation in -25C to +70C ambient temperatures, with ...