Re: [CAD_CAM_EDM_DRO] Re: EDM machine

Jon Elson wrote:

>

-

>
> ---MOSFETS
> They also will shut of when shorted and conducting several times rated
> current, not all IGBT's and most bipolar transistors will NOT SHUT OFF!
> This is called secondary breakdown, and is why all sorts of extreme
> measures
> are needed to protect other transistor types.
>
> Jon
>

Thanks for the comments: I learn things new things everyday thanks to people like you.

Dave

p.s. I might be interesing to know how many on the list are interested in a adjustable freq, adjustable on-time EDM supply at an
affordable(?) price.