Re: IGBT BSM75GB170DN2 ...

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Matthew Smith" <matt-at-kbc-dot-net.au> 

Steve Conner wrote:
<snip>
>I used no gate resistors in my OLTC work when driving 600A Powerex bricks,
>as I found the resistance of the circuit itself was enough to damp the
>ringing, and I wanted the fastest turn-on time possible. I think I was
>delivering about 20-30A of peak current to the gate.
</snip>

If eliminating gate resistors, how about having a ferrite bead on the gate 
signal.  Shouldn't that kill any unexpected ringing?

Cheers

M

-- 
Matthew Smith
Kadina Business Consultancy
South Australia