Re: [TCML] CM300 with current limiting, good, bad?

[Steve Ward <steve.ward@xxxxxxxxx>]

In the past i have opened those modules and snipped the bond wires to
disable the RTC limiter.

Those modules are nice because they are lower ESL, and trench technology, at
the same time the thermal impedance is higher because the die area is
smaller.  I dont have enough test data to say whether they are as robust as
the CM300DY-24H.

Steve

On Tue, Jul 28, 2009 at 1:15 PM, Tom Blitch <tab54o@xxxxxxxxxxx> wrote:

>
>
> Hey guys, Not sure what took my so long to sign up for this mailing list.
>
>  Anyway There a bunch of Powerex and Mitsibishi CM300Du-24F IGBT's on Ebay
> right now and I am tempted to grab a few except they are the ones with
> current limiting. Ive seen a few other manufacturers and models datasheets
> that say thier limiters don't limit till 5 to 6 times the rated current but
> powerex nor mitsubishi has this listed in thier datasheets.
>
> Anyone here had any experience with these? The listing is here. This isn't
> my listing by the way.
>
>
> http://cgi.ebay.com/Mitsubishi-CM300DU-24F-IGBT-Modules-300Amp-1200Volt_W0QQitemZ260360966780QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item3c9eb9127c&_trksid=p3911.c0.m14
>
> -Tom Blitch
>
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