Is not for heat. - Is for electrical insulation.
The sleeves are not intended to be electrical isolation.
Mann-Made Global Warming. - We should be more concerned about the Intellectual Climate.
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Be who you are and say what you feel, because those who mind don't matter and those who matter don't mind. - Dr Seuss - You can teach a man to fish and feed him for life, but if he can't handle sushi you must also teach him to cook.
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i thought all those black things on psu were called "switchers"? i didnt know there were different kinds
can u explain what different of those black things there are and what they do?
The ones on the secondary heatsink are generally two schottky or ultrafast diodes in a to-220 or to-247 package. They convert the 12v and 5v (as well as the 3.3v which is derived from the 5v through a mag-amp circuit) AC current from the transformer into their DC voltages. Though modern power supplies that use DC to DC for the 5v and 3.3v use VRM's to convert the 12v into 5v and 3.3v.
The primary switchers take the ~320-380v (depending on the topology, presence of APFC, etc...) DC on the primary and convert it into AC current and feed it to the primary transformer.
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