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Thermal Pad is needed or not?

Thread starter #1
How to tell whether a thermal pad is needed or not from seeing mosfet datasheet. I want to put an H bridge on a Heat Sink. so for Electrical isolation I need Thermal pads, but some of the switches dont need becasue they have already insulated case and only thermal paste is fine. So how to tell?
For example refer these two Datasheets
Datasheet1
 

MikeMl

Well-Known Member
Most Helpful Member
#5
You should be able to see it by inspection. If not, try an Ohmeter...
 

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