10.10.2005, 09:02 PM
The uninitiated designer is often not aware that self-inflicted overvoltage transients can be produced when the device is switched
OFF, even though the DC supply voltage for the drain circuit is well below the VDS rating of the transistor.
AN-936:
The Do's and Don'ts of Using MOS-Gated Transistors
http://www.irf.com/technical-info/appnotes/an-936.pdf
Don't worry about getting older. You're still gonna do dump stuff...only slower