Quote:
Originally Posted by johnrobholmes
What would you consider a proper application for them? Is the thermal pathway a big enough consideration to give them an advantage on reliability or heat sinking?
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No, there are better thermal packages today that have much better performance.
TO-220s are used where cost is the major factor. The decision to use a TO-220 almost never has performance as a major factor -- just cost. They are fine in low frequency, low performance applications with slow switching speeds. They pretty much suck for anything else.
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