Allan Streib wrote:
Build your own?
http://www.zeva.com.au/tech/controller_design/
Looks like he's got $160 in a bank of ten MOSFETS alone.
http://www.mouser.com/Search/Refine.aspx?Keyword=120N20
One surprising thing I learned about MOSFET resistance ratings:
http://www.zeva.com.au/tech/controller_design/IXFK120N20.pdf
"Pulse test, t less than or equal to 300 microseconds, duty cycle less than or
equal to 2%"
.017 ohm per MOSFET isn't too shabby, but what good is a 2% duty cycle?
What's the resistance when I'm dissipating 500W for ten seconds straight and
it's hot enough to broil a steak?
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