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close up of the rectifier section. a large large rectifier package is bolted to a heatsink. next to it is what I'm pretty sure is one of the active power factor correction MOSFETs.

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close up of the rectifier section. a large large rectifier package is bolted to a heatsink. next to it is what I'm pretty sure is one of the active power factor correction MOSFETs.
https://assets.chaos.social/media_attachments/files/114/435/251/240/697/596/original/8651b493fc597075.jpg

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Graham Sutherland / Polynomial (gsuberland@chaos.social)'s status on Friday, 02-May-2025 09:12:24 JST Graham Sutherland / Polynomial

someone asked for pictures of the insides of one of my Cosel 5V 200A power supplies.
pretty hard to get good photos because it's so densely packed. it's an older design so no fancy GaN HEMT stuff, but still some excellent power electronics porn.
#electronics

In conversation about 8 days ago from chaos.social permalink