From: mrdarrett@gmail.com   
      
   On Monday, June 13, 2022 at 12:35:34 PM UTC-7, Michael Darrett wrote:   
   > For a project I noticed my Arduino PWM pump controller (basically just an   
   Arduino, MOSFET, and protection diode) was behaving oddly, so I powered the   
   pump directly from the 12V power supply, turning it off and on as needed   
   manually.   
   >   
   > I looked more closely at my breadboard, and noticed the drain and source   
   were touching. The circuit had been running for a few minutes this way.   
   >   
   > Did I damage my MOSFET, or is this ok?   
   >   
   > Thanks,   
   >   
   > Michael   
      
      
   It's a PSMN022-30PL, driven by a 12V, 3A power supply, if it matters.   
      
   Thanks,   
      
   Michael   
      
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