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Re: Bulk Order 15kW SSTC Boards



Original poster: Crow Leader <tesla-at-lists.symmetric-dot-net> 

On Wed, 24 Sep 2003, Tesla list wrote:

 > Original poster: dhmccauley-at-spacecatlighting-dot-com
 >
 >
 > The 10kW rating is based upon the PlasmaSonic II operating with IXFN68N50
 > FETs and on simulations and maximum component stress analysis for 10kW
 > level.
 > For 10kW operation, FETs are using a 60% derating on current, and about 70%
 > on voltage.  Other components are rated simularily and I try to use NAVSO
 > deratings
 > if possible.  I am also assuming that a certain junction temperature on the
 > FETs is not exceeded and that proper cooling is provided for the power
 > levels necessary for running.
 > For example, for 10kW (which is ALOT of power), a liquid cooled heatsink
 > would work best making sure the cold plate (heatsink) maintains at least
 > 25-30 degC temperature.

Room temperature heatsink power elctronics? It's too bad things here are
now marketing hype first, facts second.

KEN