by "TT_Man" <Someone@[EMAIL PROTECTED]
>
May 23, 2008 at 12:06 AM
"The Natural Philosopher" <a@[EMAIL PROTECTED]
> wrote in message
news:1211492658.21847.1@[EMAIL PROTECTED]
> TT_Man wrote:
>> Any one know why ESc's ( high current) are built with multiple MOSFETS
>> and not just a couple of 50A jobs? Seems technically entirely
>> feasible....
> Generally cost/performance is better with a lot of smaller ones.
>
> You ned 6 anyway to do the three phases..sometmes its easier if the bulk
> of your sales are 25A ones and 25A ones ae cheap and low resitance,to
bang
> in 12 of what you buy in bulk, rather than order 6 specials.
Just had a thought...maybe they have a single PCB, with options to add
more
mosfets to increase the current rating... That would make good commercial
sense.
Thanks.
