Need help with MOSFET replacement

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bluestreakG1

Joined Aug 22, 2017
24
Hi. Can I replace a MOSFET that has low drain current, 20A with higher drain current, 58A? The part number for the low drain current MOSFET is Si7884DP and the high drain current is Si7884BDP. I attach the datasheet for reference.

Thank you.
 

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BobTPH

Joined Jun 5, 2013
9,182
Depends. If it is switching fast, 10KHz or more, I would worry about the much higher total gate charge. That could cause it to overheat.
 
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