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Junction temperature of ultra fast diode of flyback smps

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Hi,

[QUOTEThe datasheet suggests we can. Its got 4A average in it.][/QUOTE]

Who knows better than the manufacturer's datasheet?

Klaus
 
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if datasheet allow so its ok, but keep in mind this
 

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don't forget the switching losses go up with temp, leading to thermal runaway if heatsink not large or effective enough or ambient temp goes higher than expected....
 
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